Sample viewer

vx.netlux.org/Virus.DOS.Viper.840

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:30:47.625635063Z 44 PC: 12c0c | Get time 0x12c0c: cmp byte ptr [0x106], 0
0x12c11: nop
0x12c12: je 0x12c1e
0x12c14: cmp dh, 0x1d
0x12c17: nop
0x12c18: nop
0x12c19: nop
0x12c1a: nop
0x12c1b: nop
0x12c1c: jg 0x12c27
0x12c1e: cmp dl, 0
0x12c21: je 0x12c08
0x12c23: mov byte ptr [0x106], dl
0x12c27: mov byte ptr [0x2bd], 0
0x12c2c: nop
0x12c2d: mov byte ptr [0x2be], 4
0x12c32: mov byte ptr [0x2c7], 0
0x12c37: mov cx, 0x27
0x12c3a: mov dx, 0x140
0x12c3d: nop
2018-12-17T22:30:47.628029091Z 78 PC: 12c46 | Find first file
2018-12-17T22:30:47.63384746Z 78 PC: 12c5a | Find first file
2018-12-17T22:30:47.637444003Z 67 PC: 12c9b | Get or set file attributes
2018-12-17T22:30:48.446089977Z 61 PC: 12ca2 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:30:48.453112808Z 63 PC: 12cb2 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:30:48.459675038Z 62 PC: 12ceb | Close file
2018-12-17T22:30:48.461738322Z 61 PC: 12cf5 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:30:48.469948603Z 64 PC: 12a60 | Write file or device (Write 840 bytes on handle 5)
2018-12-17T22:30:48.478244577Z 87 PC: 12d20 | Get or set file date and time
2018-12-17T22:30:48.479689865Z 62 PC: 12d2c | Close file
2018-12-17T22:30:48.487856786Z 67 PC: 12d3a | Get or set file attributes
2018-12-17T22:30:48.493270407Z 79 PC: 12cda | Find next file
2018-12-17T22:30:48.495924929Z 67 PC: 12c9b | Get or set file attributes
2018-12-17T22:30:48.505783798Z 61 PC: 12ca2 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:30:48.512520708Z 63 PC: 12cb2 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:30:48.519672005Z 62 PC: 12ceb | Close file
2018-12-17T22:30:48.521926471Z 61 PC: 12cf5 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:30:48.528708836Z 64 PC: 12a60 | Write file or device (Write 840 bytes on handle 5)
2018-12-17T22:30:48.536911576Z 87 PC: 12d20 | Get or set file date and time
2018-12-17T22:30:48.539128082Z 62 PC: 12d2c | Close file
2018-12-17T22:30:48.54669757Z 67 PC: 12d3a | Get or set file attributes
2018-12-17T22:30:48.55124415Z 79 PC: 12cda | Find next file
2018-12-17T22:30:48.554056318Z 67 PC: 12c9b | Get or set file attributes
2018-12-17T22:30:48.563939315Z 61 PC: 12ca2 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:30:48.570265319Z 63 PC: 12cb2 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:30:48.575128162Z 62 PC: 12ceb | Close file
2018-12-17T22:30:48.576813104Z 61 PC: 12cf5 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:30:48.583683364Z 64 PC: 12a60 | Write file or device (Write 840 bytes on handle 5)
2018-12-17T22:30:48.592032924Z 87 PC: 12d20 | Get or set file date and time
2018-12-17T22:30:48.593495768Z 62 PC: 12d2c | Close file
2018-12-17T22:30:48.599328979Z 67 PC: 12d3a | Get or set file attributes
2018-12-17T22:30:48.60245999Z 79 PC: 12cda | Find next file
2018-12-17T22:30:48.605176768Z 67 PC: 12c9b | Get or set file attributes
2018-12-17T22:30:48.616836136Z 61 PC: 12ca2 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:30:48.623942051Z 63 PC: 12cb2 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:30:48.630087267Z 62 PC: 12ceb | Close file
2018-12-17T22:30:48.631645061Z 61 PC: 12cf5 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:30:48.638357781Z 64 PC: 12a60 | Write file or device (Write 840 bytes on handle 5)
2018-12-17T22:30:48.646444378Z 87 PC: 12d20 | Get or set file date and time
2018-12-17T22:30:48.64774179Z 62 PC: 12d2c | Close file
2018-12-17T22:30:48.655045382Z 67 PC: 12d3a | Get or set file attributes
2018-12-17T22:30:48.659800745Z 9 PC: 12d7c | Display string (String= ' Stack overflow, terminating')
2018-12-17T22:30:48.663521634Z 76 PC: 12d80 | Terminate with return code (Return code = '36')