Sample viewer

vx.netlux.org/Virus.DOS.Vienna.Violator.5305

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:48:40.706491334Z 48 PC: 12a91 | Get DOS version
2018-12-17T22:48:40.708094932Z 42 PC: 12a91 | Get date 0x12a91: ret
0x12a92: int 0x13
0x12a94: ret
0x12a95: int 0x26
0x12a97: ret
0x12a98: mov ah, 0x2a
0x12a9a: mov byte ptr [0x59e], 1
0x12a9f: nop
0x12aa0: call 0x22a79
0x12aa3: cmp cx, 0x7c6
0x12aa7: jge 0x12aac
0x12aa9: jmp 0x12b12
0x12aab: nop
0x12aac: cmp dh, byte ptr [0x3b0]
0x12ab0: jge 0x12ab5
0x12ab2: jmp 0x12b12
0x12ab4: nop
0x12ab5: cmp dl, byte ptr [0x3b1]
0x12ab9: jge 0x12abe
0x12abb: jmp 0x12b12
2018-12-17T22:48:40.710447704Z 47 PC: 12a91 | Get disk transfer address
2018-12-17T22:48:40.711585078Z 26 PC: 12a91 | Set disk transfer address
2018-12-17T22:48:40.713809163Z 78 PC: 12a91 | Find first file
2018-12-17T22:48:40.720747504Z 67 PC: 12a91 | Get or set file attributes
2018-12-17T22:48:40.727413382Z 67 PC: 12a91 | Get or set file attributes
2018-12-17T22:48:40.744392165Z 61 PC: 12a91 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:48:40.748901809Z 87 PC: 12a91 | Get or set file date and time
2018-12-17T22:48:40.750636031Z 44 PC: 12a91 | Get time 0x12a91: ret
0x12a92: int 0x13
0x12a94: ret
0x12a95: int 0x26
0x12a97: ret
0x12a98: mov ah, 0x2a
0x12a9a: mov byte ptr [0x59e], 1
0x12a9f: nop
0x12aa0: call 0x22a79
0x12aa3: cmp cx, 0x7c6
0x12aa7: jge 0x12aac
0x12aa9: jmp 0x12b12
0x12aab: nop
0x12aac: cmp dh, byte ptr [0x3b0]
0x12ab0: jge 0x12ab5
0x12ab2: jmp 0x12b12
0x12ab4: nop
0x12ab5: cmp dl, byte ptr [0x3b1]
0x12ab9: jge 0x12abe
0x12abb: jmp 0x12b12
2018-12-17T22:48:40.752923013Z 63 PC: 12a91 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:48:40.760035846Z 66 PC: 12a91 | Move file pointer
2018-12-17T22:48:40.761545848Z 64 PC: 12a91 | Write file or device (Write 5305 bytes on handle 5)
2018-12-17T22:48:40.771249695Z 66 PC: 12a91 | Move file pointer
2018-12-17T22:48:40.773385737Z 64 PC: 12a91 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:48:40.782163079Z 87 PC: 12a91 | Get or set file date and time
2018-12-17T22:48:40.783768714Z 62 PC: 12a91 | Close file
2018-12-17T22:48:40.792852622Z 67 PC: 12a91 | Get or set file attributes
2018-12-17T22:48:40.803583231Z 26 PC: 12a91 | Set disk transfer address