Sample viewer

vx.netlux.org/Virus.DOS.CA.815

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:05:32.522939403Z 210 PC: 12a8e | UNKNOWN!
2018-12-17T22:05:32.52484216Z 44 PC: 12d00 | Get time 0x12d00: mov al, ch
0x12d02: cwde
0x12d03: ret
0x12d04: mov ah, 0x2a
0x12d06: int 0x21
0x12d08: cwde
0x12d09: ret
0x12d0a: ret
0x12d0b: pop bx
0x12d0c: outsb dx, byte ptr [si]
0x12d0d: dec di
0x12d0e: push dx
0x12d0f: push sp
0x12d10: push 0x654d
0x12d13: dec si
0x12d14: push bx
0x12d15: and byte ptr [bx + di + 0x4e], ah
0x12d18: inc di
0x12d19: push dx
0x12d1b: pop bp
2018-12-17T22:05:34.721193214Z 72 PC: 8f1b9 | Allocate memory
2018-12-17T22:05:34.723192647Z 72 PC: 8f1bd | Allocate memory
2018-12-17T22:05:34.726306945Z 99 PC: 90858 | Get DBCS lead byte table pointer
2018-12-17T22:05:34.729399924Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\HIMEM.SYS')
2018-12-17T22:05:34.740089878Z 66 PC: 91f95 | Move file pointer
2018-12-17T22:05:34.742623365Z 62 PC: 91fc1 | Close file
2018-12-17T22:05:34.744965307Z 75 PC: 91fe0 | Execute program
2018-12-17T22:05:34.760452257Z 98 PC: 916f1 | Get current PSP
2018-12-17T22:05:34.762756227Z 9 PC: c605 | Display string (String= '6r&;] u')
2018-12-17T22:05:34.766977872Z 48 PC: c609 | Get DOS version
2018-12-17T22:05:34.770331374Z 9 PC: c382 | Display string (String= ' Installed A20 handler number ')
2018-12-17T22:05:34.77367057Z 2 PC: c38c | Character output (Char = '32')
2018-12-17T22:05:34.775913973Z 2 PC: c3a7 | Character output (Char = '2e')
2018-12-17T22:05:34.779187218Z 9 PC: c6d9 | Display string (String= 'VHVD[email protected]_Kut1Dt a1ZW 5|(Nj(p^')
2018-12-17T22:05:34.783082826Z 9 PC: c6e0 | Display string (String= '5|(Nj(p^')
2018-12-17T22:05:34.789238358Z 61 PC: 91f88 | Open file (Filename = 'C:\WINDOWS\SMARTDRV.EXE')
2018-12-17T22:05:34.799396984Z 66 PC: 91f95 | Move file pointer
2018-12-17T22:05:34.801069748Z 62 PC: 91fc1 | Close file
2018-12-17T22:05:34.803864241Z 75 PC: 91fe0 | Execute program
2018-12-17T22:05:34.818810781Z 98 PC: 916f1 | Get current PSP
2018-12-17T22:05:34.821258112Z 82 PC: 13d46 | Get DOS internal pointers (SYSVARS)
2018-12-17T22:05:34.822956102Z 53 PC: 13ac3 | Get interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T22:05:34.823851189Z 37 PC: 13ad6 | Set interrupt vector (Interrupt = '19' AKA 'Delete file')
2018-12-17T22:05:34.824681373Z 53 PC: 13ae0 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T22:05:34.834138105Z 37 PC: 13af3 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T22:05:34.835243629Z 9 PC: 13a0d | Display string (Could not find end pointer)
2018-12-17T22:05:34.842615304Z 62 PC: 8f8eb | Close file
2018-12-17T22:05:34.84488484Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.846544442Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.84785975Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.849689763Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.851347799Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.852686262Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.854588018Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.8559763Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.857775821Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.859795782Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.861161723Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.862539355Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.86564695Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.867186333Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.868966306Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.870963333Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.872336341Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.874327275Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.876861425Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.878209459Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.879545139Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.881899658Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.883208402Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.884628146Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.886377978Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.888107728Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.889552848Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.89158515Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.892993707Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.894259342Z 62 PC: 8f8f2 | Close file
2018-12-17T22:05:34.896058878Z 61 PC: 8f8ff | Open file (Filename = '')
2018-12-17T22:05:34.900797209Z 62 PC: 8f90e | Close file
2018-12-17T22:05:34.902713504Z 69 PC: 8f915 | Duplicate handle
2018-12-17T22:05:34.904359533Z 69 PC: 8f919 | Duplicate handle
2018-12-17T22:05:34.906271483Z 61 PC: 9387b | Open file (Filename = '')
2018-12-17T22:05:34.910787388Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-17T22:05:34.912432147Z 61 PC: 9387b | Open file (Filename = '')
2018-12-17T22:05:34.916821153Z 68 PC: 9386b | I/O control for devices (Set for = '')
2018-12-17T22:05:34.918545862Z 74 PC: 8f9c4 | Reallocate memory
2018-12-17T22:05:34.920637168Z 72 PC: 8f9e0 | Allocate memory
2018-12-17T22:05:34.9226817Z 72 PC: 8f9e4 | Allocate memory
2018-12-17T22:05:34.924165209Z 74 PC: 8f9fb | Reallocate memory
2018-12-17T22:05:34.925950835Z 72 PC: 8fa02 | Allocate memory
2018-12-17T22:05:34.927951476Z 72 PC: 8fa06 | Allocate memory
2018-12-17T22:05:34.92962079Z 73 PC: 8fa11 | Release memory
2018-12-17T22:05:34.931234246Z 73 PC: 8efea | Release memory
2018-12-17T22:05:34.933009813Z 74 PC: 8f003 | Reallocate memory
2018-12-17T22:05:34.934389879Z 72 PC: 8f054 | Allocate memory
2018-12-17T22:05:34.936165227Z 72 PC: 8f058 | Allocate memory
2018-12-17T22:05:34.937985104Z 73 PC: 8f060 | Release memory
2018-12-17T22:05:34.939182824Z 61 PC: 8f080 | Open file (Filename = '')
2018-12-17T22:05:34.948973642Z 63 PC: 8f095 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:05:34.954742926Z 66 PC: 8f0ad | Move file pointer
2018-12-17T22:05:34.956203015Z 62 PC: 8f0d1 | Close file
2018-12-17T22:05:34.958430439Z 75 PC: 8f0f2 | Execute program
2018-12-17T22:05:34.979014887Z 80 PC: 12be9 | Set current PSP
2018-12-17T22:05:34.979853883Z 48 PC: 12bee | Get DOS version
2018-12-17T22:05:34.981853071Z 99 PC: 193d0 | Get DBCS lead byte table pointer
2018-12-17T22:05:34.984590099Z 101 PC: 12c74 | Get extended country info
2018-12-17T22:05:34.986909451Z 99 PC: 12c7a | Get DBCS lead byte table pointer
2018-12-17T22:05:34.98853254Z 74 PC: 12cdc | Reallocate memory
2018-12-17T22:05:34.99081186Z 72 PC: 1355d | Allocate memory
2018-12-17T22:05:34.992770069Z 25 PC: 13596 | Get default drive
2018-12-17T22:05:34.994159404Z 71 PC: 135ad | Get current directory
2018-12-17T22:05:34.996835772Z 59 PC: 135ba | Change current directory
2018-12-17T22:05:35.001855617Z 59 PC: 135c8 | Change current directory
2018-12-17T22:05:35.007244379Z 59 PC: 135d3 | Change current directory
2018-12-17T22:05:35.010755542Z 25 PC: 12d13 | Get default drive
2018-12-17T22:05:35.012164697Z 37 PC: 127d3 | Set interrupt vector (Interrupt = '34' AKA 'Random write')
2018-12-17T22:05:35.014235359Z 37 PC: 127da | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:05:35.015961762Z 37 PC: 127e1 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:05:35.017967478Z 80 PC: 1301d | Set current PSP
2018-12-17T22:05:35.018694692Z 37 PC: 13041 | Set interrupt vector (Interrupt = '46' AKA 'Set verify flag')
2018-12-17T22:05:35.020462662Z 53 PC: 13362 | Get interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T22:05:35.021629485Z 37 PC: 13383 | Set interrupt vector (Interrupt = '47' AKA 'Get disk transfer address')
2018-12-17T22:05:35.022779925Z 51 PC: 13417 | Get or set Ctrl-Break
2018-12-17T22:05:35.025910266Z 72 PC: 130ec | Allocate memory
2018-12-17T22:05:35.027740209Z 61 PC: 131b2 | Open file (Filename = '')
2018-12-17T22:05:35.033877454Z 62 PC: 131ba | Close file
2018-12-17T22:05:35.03692664Z 51 PC: 1344c | Get or set Ctrl-Break
2018-12-17T22:05:35.037980199Z 74 PC: 1197c | Reallocate memory
2018-12-17T22:05:35.039485074Z 72 PC: 11991 | Allocate memory
2018-12-17T22:05:35.041920754Z 73 PC: 119b2 | Release memory
2018-12-17T22:05:35.043406227Z 72 PC: 119bd | Allocate memory
2018-12-17T22:05:35.045214121Z 73 PC: 119df | Release memory
2018-12-17T22:05:35.047326972Z 72 PC: 119f5 | Allocate memory
2018-12-17T22:05:35.049229903Z 72 PC: 119fd | Allocate memory