Sample viewer

vx.netlux.org/Virus.DOS.HLLO.Tu.4752

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:40:25.12354921Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:40:25.125124016Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:40:25.126800402Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:40:25.128024775Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:40:25.12914461Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:40:25.130459415Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:40:25.13143177Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:40:25.132429086Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:40:25.133975516Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:40:25.135150211Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:40:25.136303125Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:40:25.138188531Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:40:25.139492345Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:40:25.140750126Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:40:25.14609332Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:40:25.147355417Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:40:25.148414847Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:40:25.149905046Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:40:25.151137729Z 53 PC: 12f1a | Get interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:40:25.152416038Z 37 PC: 12f2f | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:40:25.153833318Z 37 PC: 12f37 | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:40:25.155233788Z 37 PC: 12f3f | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:40:25.156324971Z 37 PC: 12f47 | Set interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:40:25.15773121Z 68 PC: 13a03 | I/O control for devices (Set for = '')
2018-12-17T22:40:25.159766774Z 26 PC: 12d9b | Set disk transfer address
2018-12-17T22:40:25.16121816Z 78 PC: 12da7 | Find first file
2018-12-17T22:40:25.165440391Z 25 PC: 12e21 | Get default drive
2018-12-17T22:40:25.166765585Z 71 PC: 12e40 | Get current directory
2018-12-17T22:40:25.170097458Z 48 PC: 1372e | Get DOS version
2018-12-17T22:40:25.171528158Z 26 PC: 12dbf | Set disk transfer address
2018-12-17T22:40:25.172999986Z 79 PC: 12dc4 | Find next file
2018-12-17T22:40:25.175667532Z 26 PC: 12dbf | Set disk transfer address
2018-12-17T22:40:25.176963657Z 79 PC: 12dc4 | Find next file
2018-12-17T22:40:25.179558049Z 44 PC: 13b3a | Get time 0x13b3a: mov word ptr [0x42], cx
0x13b3e: mov word ptr [0x44], dx
0x13b42: retf
0x13b43: mov di, 0x56
0x13b46: push ds
0x13b47: pop es
0x13b48: mov cx, 0x166a
0x13b4b: sub cx, di
0x13b4d: shr cx, 1
0x13b4f: xor ax, ax
0x13b51: cld
0x13b52: rep stosd dword ptr es:[di], eax
0x13b54: ret
0x13b55: add byte ptr [bx + si], al
0x13b57: add byte ptr [bx + si], al
0x13b59: add byte ptr [bx + si], al
0x13b5b: add byte ptr [bx + si], al
0x13b5d: add byte ptr [bx + si], al
0x13b5f: add byte ptr [bx + si], al
0x13b61: add byte ptr [si + 0x55], dl
2018-12-17T22:40:25.182430741Z 64 PC: 13338 | Write file or device (Write 28 bytes on handle 1)
2018-12-17T22:40:25.185465979Z 64 PC: 13338 | Write file or device (Write 0 bytes on handle 1)
2018-12-17T22:40:25.186651293Z 37 PC: 13071 | Set interrupt vector (Interrupt = '0' AKA 'Program terminate')
2018-12-17T22:40:25.193068136Z 37 PC: 13071 | Set interrupt vector (Interrupt = '2' AKA 'Character output')
2018-12-17T22:40:25.193962148Z 37 PC: 13071 | Set interrupt vector (Interrupt = '27' AKA 'Get allocation info for default drive')
2018-12-17T22:40:25.194742819Z 37 PC: 13071 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:40:25.196153435Z 37 PC: 13071 | Set interrupt vector (Interrupt = '35' AKA 'Get file size in records')
2018-12-17T22:40:25.197482483Z 37 PC: 13071 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:40:25.199131757Z 37 PC: 13071 | Set interrupt vector (Interrupt = '52' AKA 'Get InDOS flag pointer')
2018-12-17T22:40:25.200837689Z 37 PC: 13071 | Set interrupt vector (Interrupt = '53' AKA 'Get interrupt vector')
2018-12-17T22:40:25.201731734Z 37 PC: 13071 | Set interrupt vector (Interrupt = '54' AKA 'Get free disk space')
2018-12-17T22:40:25.204054775Z 37 PC: 13071 | Set interrupt vector (Interrupt = '55' AKA 'Get or set switch character')
2018-12-17T22:40:25.207039808Z 37 PC: 13071 | Set interrupt vector (Interrupt = '56' AKA 'Get or set country info')
2018-12-17T22:40:25.208201105Z 37 PC: 13071 | Set interrupt vector (Interrupt = '57' AKA 'Create subdirectory')
2018-12-17T22:40:25.209796229Z 37 PC: 13071 | Set interrupt vector (Interrupt = '58' AKA 'Remove subdirectory')
2018-12-17T22:40:25.212102779Z 37 PC: 13071 | Set interrupt vector (Interrupt = '59' AKA 'Change current directory')
2018-12-17T22:40:25.213761909Z 37 PC: 13071 | Set interrupt vector (Interrupt = '60' AKA 'Create or truncate file')
2018-12-17T22:40:25.215418708Z 37 PC: 13071 | Set interrupt vector (Interrupt = '61' AKA 'Open file')
2018-12-17T22:40:25.218139286Z 37 PC: 13071 | Set interrupt vector (Interrupt = '62' AKA 'Close file')
2018-12-17T22:40:25.219957124Z 37 PC: 13071 | Set interrupt vector (Interrupt = '63' AKA 'Read file or device')
2018-12-17T22:40:25.221889503Z 37 PC: 13071 | Set interrupt vector (Interrupt = '117' AKA 'UNKNOWN!')
2018-12-17T22:40:25.224044083Z 76 PC: 130b0 | Terminate with return code (Return code = '0')