Sample viewer

vx.netlux.org/Trojan.DOS.Tah.a

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:51:23.38573449Z 53 PC: 1370a | Get interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:51:23.387384429Z 53 PC: 1370a | Get interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:51:23.390444879Z 53 PC: 1370a | Get interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:51:23.391693113Z 53 PC: 1370a | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:51:23.392964021Z 53 PC: 1370a | Get interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:51:23.395051001Z 53 PC: 1370a | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:51:23.396722201Z 53 PC: 1370a | Get interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:51:23.398388511Z 53 PC: 1370a | Get interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:51:23.400807215Z 53 PC: 1370a | Get interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:51:23.402504523Z 53 PC: 1370a | Get interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:51:23.404152299Z 53 PC: 1370a | Get interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:51:23.406661283Z 53 PC: 1370a | Get interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:51:23.410168501Z 53 PC: 1370a | Get interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:51:23.411845151Z 53 PC: 1370a | Get interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:51:23.415453569Z 53 PC: 1370a | Get interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:51:23.418229745Z 53 PC: 1370a | Get interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:51:23.419868212Z 53 PC: 1370a | Get interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:51:23.421493556Z 53 PC: 1370a | Get interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:51:23.424291762Z 53 PC: 1370a | Get interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:51:23.425954446Z 37 PC: 1371f | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:51:23.427525117Z 37 PC: 13727 | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:51:23.430345315Z 37 PC: 1372f | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:51:23.431849381Z 37 PC: 13737 | Set interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:51:23.434004178Z 68 PC: 1428c | I/O control for devices (Set for = '')
2018-12-17T22:51:23.61735624Z 37 PC: 12f31 | Set interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:51:23.619467376Z 44 PC: 14b96 | Get time 0x14b96: mov word ptr [0x3e], cx
0x14b9a: mov word ptr [0x40], dx
0x14b9e: retf
0x14b9f: mov di, 0x52
0x14ba2: push ds
0x14ba3: pop es
0x14ba4: mov cx, 0x25aa
0x14ba7: sub cx, di
0x14ba9: shr cx, 1
0x14bab: xor ax, ax
0x14bad: cld
0x14bae: rep stosd dword ptr es:[di], eax
0x14bb0: ret
0x14bb1: add byte ptr [bx + si], al
0x14bb3: add byte ptr [bx + si], al
0x14bb5: add byte ptr [bx + si], al
0x14bb7: add byte ptr [bx + si], al
0x14bb9: add byte ptr [bx + si], al
0x14bbb: add byte ptr [bx + si], al
0x14bbd: add byte ptr [bx + si], al
2018-12-17T22:51:23.622395968Z 48 PC: 13fb7 | Get DOS version
2018-12-17T22:51:23.625823948Z 61 PC: 13e69 | Open file (Filename = 'A:\TEST.EXE')
2018-12-17T22:51:23.633330349Z 63 PC: 13f3c | Read file or device (Read 8001 bytes on handle 5)
2018-12-17T22:51:23.641763952Z 62 PC: 13eb9 | Close file
2018-12-17T22:51:23.644926523Z 26 PC: 13517 | Set disk transfer address
2018-12-17T22:51:23.646237997Z 78 PC: 13523 | Find first file
2018-12-17T22:51:23.652892589Z 48 PC: 13fb7 | Get DOS version
2018-12-17T22:51:23.65552806Z 53 PC: 1367c | Get interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:51:23.658403982Z 37 PC: 13685 | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:51:23.660264317Z 53 PC: 1367c | Get interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:51:23.662173724Z 37 PC: 13685 | Set interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:51:23.664000325Z 53 PC: 1367c | Get interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:51:23.666167536Z 37 PC: 13685 | Set interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:51:23.667785626Z 53 PC: 1367c | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:51:23.67020934Z 37 PC: 13685 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:51:23.6716306Z 53 PC: 1367c | Get interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:51:23.673896496Z 37 PC: 13685 | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:51:23.676014275Z 53 PC: 1367c | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:51:23.677481882Z 37 PC: 13685 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:51:23.678850042Z 53 PC: 1367c | Get interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:51:23.693926915Z 37 PC: 13685 | Set interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:51:23.698127075Z 53 PC: 1367c | Get interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:51:23.699898874Z 37 PC: 13685 | Set interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:51:23.701832416Z 53 PC: 1367c | Get interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:51:23.70432032Z 37 PC: 13685 | Set interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:51:23.705925595Z 53 PC: 1367c | Get interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:51:23.707577308Z 37 PC: 13685 | Set interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:51:23.710205556Z 53 PC: 1367c | Get interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:51:23.711966594Z 37 PC: 13685 | Set interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:51:23.713607627Z 53 PC: 1367c | Get interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:51:23.715901126Z 37 PC: 13685 | Set interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:51:23.717508665Z 53 PC: 1367c | Get interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:51:23.719108681Z 37 PC: 13685 | Set interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:51:23.722050568Z 53 PC: 1367c | Get interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:51:23.724363963Z 37 PC: 13685 | Set interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:51:23.725970602Z 53 PC: 1367c | Get interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:51:23.728590493Z 37 PC: 13685 | Set interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:51:23.730209244Z 53 PC: 1367c | Get interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:51:23.731615987Z 37 PC: 13685 | Set interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:51:23.733678241Z 53 PC: 1367c | Get interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:51:23.736644193Z 37 PC: 13685 | Set interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:51:23.738385565Z 53 PC: 1367c | Get interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:51:23.740210443Z 37 PC: 13685 | Set interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:51:23.742974806Z 53 PC: 1367c | Get interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:51:23.744454626Z 37 PC: 13685 | Set interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:51:23.746487675Z 41 PC: 13633 | Parse filename
2018-12-17T22:51:23.749316499Z 41 PC: 13641 | Parse filename
2018-12-17T22:51:23.751237548Z 75 PC: 1364c | Execute program
2018-12-17T22:51:23.758651025Z 53 PC: 1367c | Get interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:51:23.761368931Z 37 PC: 13685 | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:51:23.763008962Z 53 PC: 1367c | Get interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:51:23.764334842Z 37 PC: 13685 | Set interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:51:23.766852131Z 53 PC: 1367c | Get interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:51:23.768514033Z 37 PC: 13685 | Set interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:51:23.770133636Z 53 PC: 1367c | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:51:23.771759931Z 37 PC: 13685 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:51:23.773791908Z 53 PC: 1367c | Get interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:51:23.77539556Z 37 PC: 13685 | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:51:23.77697124Z 53 PC: 1367c | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:51:23.781576342Z 37 PC: 13685 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:51:23.783542906Z 53 PC: 1367c | Get interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:51:23.785083821Z 37 PC: 13685 | Set interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:51:23.787544834Z 53 PC: 1367c | Get interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:51:23.789733456Z 37 PC: 13685 | Set interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:51:23.79166283Z 53 PC: 1367c | Get interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:51:23.794345269Z 37 PC: 13685 | Set interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:51:23.797139789Z 53 PC: 1367c | Get interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:51:23.800132531Z 37 PC: 13685 | Set interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:51:23.802481685Z 53 PC: 1367c | Get interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:51:23.804735268Z 37 PC: 13685 | Set interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:51:23.80645041Z 53 PC: 1367c | Get interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:51:23.809240161Z 37 PC: 13685 | Set interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:51:23.810906341Z 53 PC: 1367c | Get interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:51:23.812118728Z 37 PC: 13685 | Set interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:51:23.81337625Z 53 PC: 1367c | Get interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:51:23.815523965Z 37 PC: 13685 | Set interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:51:23.816804891Z 53 PC: 1367c | Get interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:51:23.818151301Z 37 PC: 13685 | Set interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:51:23.822637308Z 53 PC: 1367c | Get interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:51:23.824424115Z 37 PC: 13685 | Set interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:51:23.828773215Z 53 PC: 1367c | Get interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:51:23.832035474Z 37 PC: 13685 | Set interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:51:23.833689571Z 53 PC: 1367c | Get interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:51:23.834912498Z 37 PC: 13685 | Set interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:51:23.837351971Z 53 PC: 1367c | Get interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:51:23.838973607Z 37 PC: 13685 | Set interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:51:23.840679722Z 77 PC: 1366a | Get program return code
2018-12-17T22:51:23.843564241Z 37 PC: 13861 | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:51:23.845251291Z 37 PC: 13861 | Set interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:51:23.846847179Z 37 PC: 13861 | Set interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:51:23.84867922Z 37 PC: 13861 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:51:23.853206956Z 37 PC: 13861 | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:51:23.855090935Z 37 PC: 13861 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:51:23.857028595Z 37 PC: 13861 | Set interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:51:23.859627337Z 37 PC: 13861 | Set interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:51:23.860941225Z 37 PC: 13861 | Set interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:51:23.862255935Z 37 PC: 13861 | Set interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:51:23.866669576Z 37 PC: 13861 | Set interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:51:23.86834802Z 37 PC: 13861 | Set interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:51:23.870009922Z 37 PC: 13861 | Set interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:51:23.872701648Z 37 PC: 13861 | Set interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:51:23.874411591Z 37 PC: 13861 | Set interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:51:23.87593367Z 37 PC: 13861 | Set interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:51:23.878576665Z 37 PC: 13861 | Set interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:51:23.880020637Z 37 PC: 13861 | Set interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:51:23.881357679Z 37 PC: 13861 | Set interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:51:23.884127192Z 76 PC: 138a0 | Terminate with return code (Return code = '0')