Sample viewer

vx.netlux.org/Virus.DOS.Leprosy.Sandra_II.1809

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:23:34.907355605Z 44 PC: 12c2d | Get time 0x12c2d: cmp byte ptr [0x123], 0x80
0x12c32: jne 0x12c4f
0x12c34: mov byte ptr [0x123], 0x82
0x12c39: jmp 0x12c54
0x12c3b: sub ch, ch
0x12c3d: sub al, al
0x12c3f: mov cl, 6
0x12c41: shl al, cl
0x12c43: mov cl, al
0x12c45: or cl, 1
0x12c48: mov ax, 0x500
0x12c4b: int 0x13
0x12c4d: int 0x20
0x12c4f: mov byte ptr [0x123], 0x80
0x12c54: mov ah, byte ptr [0x12d]
0x12c58: mov byte ptr [0x122], ah
0x12c5c: mov byte ptr [0x15a], ah
0x12c60: mov ah, byte ptr [0x10b]
0x12c64: mov byte ptr [0x11f], ah
0x12c68: mov byte ptr [0x155], ah
2018-12-17T22:23:34.910497158Z 250 PC: 12fd4 | UNKNOWN!
2018-12-17T22:23:34.911691391Z 255 PC: 12ff7 | UNKNOWN!
2018-12-17T22:23:34.912409853Z 65 PC: 13004 | Delete file (Filename = '')
2018-12-17T22:23:34.914694012Z 60 PC: 13026 | Create or truncate file
2018-12-17T22:23:34.919946549Z 60 PC: 1302d | Create or truncate file
2018-12-17T22:23:34.924244465Z 65 PC: 13034 | Delete file (Filename = 'ANTI-VIR.DAT')
2018-12-17T22:23:34.930348316Z 65 PC: 1303b | Delete file (Filename = 'CHKLIST.CPS')
2018-12-17T22:23:34.936418822Z 65 PC: 13042 | Delete file (Filename = 'C:\CPAV\CHKLIST.CPS')
2018-12-17T22:23:34.941608644Z 65 PC: 13049 | Delete file (Filename = 'C:\NAV_._NO')
2018-12-17T22:23:34.946847693Z 65 PC: 13050 | Delete file (Filename = 'C:\NOVIRCVR.CTS')
2018-12-17T22:23:34.952411972Z 65 PC: 13057 | Delete file (Filename = 'C:\NOVIPERF.DAT')
2018-12-17T22:23:34.958382082Z 65 PC: 1305e | Delete file (Filename = 'C:\TOOLKIT\FILES.LST')
2018-12-17T22:23:34.963548994Z 65 PC: 13065 | Delete file (Filename = 'C:\FSIZES.QCV')
2018-12-17T22:23:34.969069054Z 65 PC: 1306c | Delete file (Filename = 'C:\UNTOUCH\UT.UT1')
2018-12-17T22:23:34.973278146Z 65 PC: 13073 | Delete file (Filename = 'C:\UNTOUCH\UT.UT2')
2018-12-17T22:23:34.977058605Z 65 PC: 1307a | Delete file (Filename = 'C:\VS.VS')
2018-12-17T22:23:34.981431996Z 78 PC: 13093 | Find first file
2018-12-17T22:23:34.985661474Z 78 PC: 130a5 | Find first file
2018-12-17T22:23:34.99021331Z 62 PC: 13107 | Close file
2018-12-17T22:23:34.992241977Z 61 PC: 13110 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:23:34.996601756Z 64 PC: 12a6d | Write file or device (Write 1809 bytes on handle 0)
2018-12-17T22:23:35.008178049Z 87 PC: 13139 | Get or set file date and time
2018-12-17T22:23:35.009866434Z 62 PC: 13141 | Close file
2018-12-17T22:23:35.017396011Z 67 PC: 1314e | Get or set file attributes