Sample viewer

vx.netlux.org/Virus.DOS.Vienna.Violator.5286

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:47:43.918437157Z 48 PC: 12a8f | Get DOS version
2018-12-17T22:47:43.920517841Z 42 PC: 12a8f | Get date 0x12a8f: ret
0x12a90: int 0x13
0x12a92: ret
0x12a93: int 0x26
0x12a95: ret
0x12a96: mov ah, 0x2a
0x12a98: mov byte ptr [0x58a], 1
0x12a9d: call 0x22a77
0x12aa0: cmp cx, 0x7c6
0x12aa4: jge 0x12aa8
0x12aa6: jmp 0x12b07
0x12aa8: cmp dh, byte ptr [0x39c]
0x12aac: jge 0x12ab0
0x12aae: jmp 0x12b07
0x12ab0: cmp dl, byte ptr [0x39d]
0x12ab4: jge 0x12ab8
0x12ab6: jmp 0x12b07
0x12ab8: mov al, byte ptr [0x58b]
0x12abb: call 0x12acb
0x12abe: cmp byte ptr [0x58b], 0x1b
2018-12-17T22:47:43.923132307Z 47 PC: 12a8f | Get disk transfer address
2018-12-17T22:47:43.924514311Z 26 PC: 12a8f | Set disk transfer address
2018-12-17T22:47:43.926280479Z 78 PC: 12a8f | Find first file
2018-12-17T22:47:43.934696036Z 67 PC: 12a8f | Get or set file attributes
2018-12-17T22:47:43.941043989Z 67 PC: 12a8f | Get or set file attributes
2018-12-17T22:47:43.959231558Z 61 PC: 12a8f | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:47:43.968068523Z 87 PC: 12a8f | Get or set file date and time
2018-12-17T22:47:43.969672402Z 44 PC: 12a8f | Get time 0x12a8f: ret
0x12a90: int 0x13
0x12a92: ret
0x12a93: int 0x26
0x12a95: ret
0x12a96: mov ah, 0x2a
0x12a98: mov byte ptr [0x58a], 1
0x12a9d: call 0x22a77
0x12aa0: cmp cx, 0x7c6
0x12aa4: jge 0x12aa8
0x12aa6: jmp 0x12b07
0x12aa8: cmp dh, byte ptr [0x39c]
0x12aac: jge 0x12ab0
0x12aae: jmp 0x12b07
0x12ab0: cmp dl, byte ptr [0x39d]
0x12ab4: jge 0x12ab8
0x12ab6: jmp 0x12b07
0x12ab8: mov al, byte ptr [0x58b]
0x12abb: call 0x12acb
0x12abe: cmp byte ptr [0x58b], 0x1b
2018-12-17T22:47:43.972462372Z 63 PC: 12a8f | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:47:43.981069655Z 66 PC: 12a8f | Move file pointer
2018-12-17T22:47:43.982999137Z 64 PC: 12a8f | Write file or device (Write 5286 bytes on handle 5)
2018-12-17T22:47:43.993362749Z 66 PC: 12a8f | Move file pointer
2018-12-17T22:47:43.996023809Z 64 PC: 12a8f | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:47:44.004296161Z 87 PC: 12a8f | Get or set file date and time
2018-12-17T22:47:44.006358855Z 62 PC: 12a8f | Close file
2018-12-17T22:47:44.015785362Z 67 PC: 12a8f | Get or set file attributes
2018-12-17T22:47:44.027704393Z 26 PC: 12a8f | Set disk transfer address