Sample viewer

vx.netlux.org/Virus.DOS.Vienna.Violator.957

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T21:50:39.097173244Z 48 PC: 12ae9 | Get DOS version
2018-12-17T21:50:39.09914186Z 47 PC: 12ae9 | Get disk transfer address
2018-12-17T21:50:39.100340707Z 26 PC: 12ae9 | Set disk transfer address
2018-12-17T21:50:39.101460826Z 42 PC: 12ae9 | Get date 0x12ae9: ret
0x12aea: mov al, byte ptr [0x45e]
0x12aed: call 0x12b00
0x12af0: cmp byte ptr [0x45e], 0x19
0x12af5: je 0x12b17
0x12af7: inc byte ptr [0x45e]
0x12afb: loop 0x12aea
0x12afd: int 0x26
0x12aff: ret
0x12b00: mov ch, 0
0x12b02: mov dl, byte ptr [0x45e]
0x12b06: mov ah, 5
0x12b08: mov dh, 0
0x12b0a: mov byte ptr [0x45f], 2
0x12b0f: nop
0x12b10: call 0x22aab
0x12b13: ret
0x12b14: int 0x13
0x12b16: ret
0x12b17: pushf
2018-12-17T21:50:39.103977116Z 78 PC: 12ae9 | Find first file
2018-12-17T21:50:39.110432669Z 67 PC: 12ae9 | Get or set file attributes
2018-12-17T21:50:39.11574286Z 67 PC: 12ae9 | Get or set file attributes
2018-12-17T21:50:39.134145211Z 61 PC: 12ae9 | Open file (Filename = 'SLEEP.COM')
2018-12-17T21:50:39.140874123Z 87 PC: 12ae9 | Get or set file date and time
2018-12-17T21:50:39.143067132Z 44 PC: 12ae9 | Get time 0x12ae9: ret
0x12aea: mov al, byte ptr [0x45e]
0x12aed: call 0x12b00
0x12af0: cmp byte ptr [0x45e], 0x19
0x12af5: je 0x12b17
0x12af7: inc byte ptr [0x45e]
0x12afb: loop 0x12aea
0x12afd: int 0x26
0x12aff: ret
0x12b00: mov ch, 0
0x12b02: mov dl, byte ptr [0x45e]
0x12b06: mov ah, 5
0x12b08: mov dh, 0
0x12b0a: mov byte ptr [0x45f], 2
0x12b0f: nop
0x12b10: call 0x22aab
0x12b13: ret
0x12b14: int 0x13
0x12b16: ret
0x12b17: pushf
2018-12-17T21:50:39.14506999Z 63 PC: 12ae9 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T21:50:39.152052877Z 66 PC: 12ae9 | Move file pointer
2018-12-17T21:50:39.153673532Z 64 PC: 12ae9 | Write file or device (Write 957 bytes on handle 5)
2018-12-17T21:50:39.161933777Z 66 PC: 12ae9 | Move file pointer
2018-12-17T21:50:39.16416765Z 64 PC: 12ae9 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T21:50:39.1704938Z 87 PC: 12ae9 | Get or set file date and time
2018-12-17T21:50:39.172583479Z 62 PC: 12ae9 | Close file
2018-12-17T21:50:39.180702796Z 67 PC: 12ae9 | Get or set file attributes
2018-12-17T21:50:39.190364382Z 26 PC: 12ae9 | Set disk transfer address