Sample viewer

vx.netlux.org/Virus.DOS.Sirius.358.b

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:41:43.231507084Z 47 PC: 13622 | Get disk transfer address
2018-12-17T22:41:43.237502738Z 26 PC: 13634 | Set disk transfer address
2018-12-17T22:41:43.238960592Z 25 PC: 13642 | Get default drive
2018-12-17T22:41:43.240313277Z 14 PC: 1364c | Set default drive (Drive = 'C')
2018-12-17T22:41:43.245217378Z 78 PC: 13658 | Find first file
2018-12-17T22:41:43.251520306Z 67 PC: 13694 | Get or set file attributes
2018-12-17T22:41:43.256577363Z 67 PC: 136a1 | Get or set file attributes
2018-12-17T22:41:43.588564803Z 61 PC: 136a9 | Open file (Filename = 'COMMAND.COM')
2018-12-17T22:41:43.595540606Z 87 PC: 136b0 | Get or set file date and time
2018-12-17T22:41:43.596950256Z 44 PC: 136be | Get time 0x136be: or dl, dl
0x136c0: je 0x136ba
0x136c2: mov byte ptr [bp + 0x160], dl
0x136c6: mov ah, 0x3f
0x136c8: lea dx, word ptr [bp + 0x62]
0x136cb: mov cx, 3
0x136ce: int 0x21
0x136d0: mov ax, 0x4202
0x136d3: sub cx, cx
0x136d5: sub dx, dx
0x136d7: int 0x21
0x136d9: sub ax, 3
0x136dc: mov word ptr cs:[0xfb2d], ax
0x136e0: mov byte ptr cs:[0xfb2c], 0xe9
0x136e6: lea si, word ptr [bp - 3]
0x136e9: mov di, 0xfcbc
0x136ec: mov cx, 0x166
0x136ef: cld
0x136f0: rep movsb byte ptr es:[di], byte ptr [si]
0x136f2: mov si, 0xfcd8
2018-12-17T22:41:43.599253047Z 63 PC: 136d0 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:41:43.603090857Z 66 PC: 136d9 | Move file pointer
2018-12-17T22:41:43.604886409Z 64 PC: 13702 | Write file or device (Write 358 bytes on handle 5)
2018-12-17T22:41:43.612317853Z 66 PC: 1370b | Move file pointer
2018-12-17T22:41:43.615274876Z 64 PC: 13715 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:41:43.6182815Z 87 PC: 1372a | Get or set file date and time
2018-12-17T22:41:43.619804263Z 62 PC: 1372e | Close file
2018-12-17T22:41:43.630728374Z 67 PC: 1373b | Get or set file attributes
2018-12-17T22:41:43.640785431Z 26 PC: 1374a | Set disk transfer address
2018-12-17T22:41:43.642341047Z 14 PC: 13754 | Set default drive (Drive = 'A')