Sample viewer

vx.netlux.org/Virus.DOS.Leprosy.625.b

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:21:23.210416647Z 44 PC: 12a87 | Get time 0x12a87: cmp byte ptr [0x103], 0
0x12a8c: je 0x12a93
0x12a8e: cmp dh, 0xf
0x12a91: jg 0x12a9c
0x12a93: cmp dl, 0
0x12a96: je 0x12a83
0x12a98: mov byte ptr [0x103], dl
0x12a9c: mov byte ptr [0x138], 0
0x12aa1: mov byte ptr [0x139], 4
0x12aa6: mov byte ptr [0x142], 0
0x12aab: mov cx, 0x27
0x12aae: mov dx, 0x115
0x12ab1: mov ah, 0x4e
0x12ab3: int 0x21
0x12ab5: cmp ax, 0x12
0x12ab8: je 0x12abd
0x12aba: call 0x12adf
0x12abd: mov cx, 0x27
0x12ac0: mov dx, 0x11b
0x12ac3: mov ah, 0x4e
2018-12-17T22:21:23.213774674Z 78 PC: 12ab5 | Find first file
2018-12-17T22:21:23.220679557Z 78 PC: 12ac7 | Find first file
2018-12-17T22:21:23.224721685Z 67 PC: 12b00 | Get or set file attributes
2018-12-17T22:21:23.445475422Z 61 PC: 12b06 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:21:23.455490543Z 63 PC: 12b15 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:21:23.46378737Z 62 PC: 12b49 | Close file
2018-12-17T22:21:23.465976854Z 61 PC: 12b52 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:21:23.474811933Z 64 PC: 12a54 | Write file or device (Write 625 bytes on handle 5)
2018-12-17T22:21:23.484316581Z 87 PC: 12b7a | Get or set file date and time
2018-12-17T22:21:23.487140658Z 62 PC: 12b82 | Close file
2018-12-17T22:21:23.501065364Z 67 PC: 12b8f | Get or set file attributes
2018-12-17T22:21:23.507497025Z 79 PC: 12b39 | Find next file
2018-12-17T22:21:23.510908493Z 67 PC: 12b00 | Get or set file attributes
2018-12-17T22:21:23.522234523Z 61 PC: 12b06 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:21:23.530536947Z 63 PC: 12b15 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:21:23.538062256Z 62 PC: 12b49 | Close file
2018-12-17T22:21:23.540455228Z 61 PC: 12b52 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:21:23.550219674Z 64 PC: 12a54 | Write file or device (Write 625 bytes on handle 5)
2018-12-17T22:21:23.559870967Z 87 PC: 12b7a | Get or set file date and time
2018-12-17T22:21:23.56217218Z 62 PC: 12b82 | Close file
2018-12-17T22:21:23.57228925Z 67 PC: 12b8f | Get or set file attributes
2018-12-17T22:21:23.578414292Z 79 PC: 12b39 | Find next file
2018-12-17T22:21:23.581762628Z 67 PC: 12b00 | Get or set file attributes
2018-12-17T22:21:23.593290221Z 61 PC: 12b06 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:21:23.601711024Z 63 PC: 12b15 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:21:23.608958495Z 62 PC: 12b49 | Close file
2018-12-17T22:21:23.61035483Z 61 PC: 12b52 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:21:23.615298007Z 64 PC: 12a54 | Write file or device (Write 625 bytes on handle 5)
2018-12-17T22:21:23.624439583Z 87 PC: 12b7a | Get or set file date and time
2018-12-17T22:21:23.626619228Z 62 PC: 12b82 | Close file
2018-12-17T22:21:23.635966198Z 67 PC: 12b8f | Get or set file attributes
2018-12-17T22:21:23.641381514Z 79 PC: 12b39 | Find next file
2018-12-17T22:21:23.64444471Z 67 PC: 12b00 | Get or set file attributes
2018-12-17T22:21:23.656418052Z 61 PC: 12b06 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:21:23.664250488Z 63 PC: 12b15 | Read file or device (Read 20 bytes on handle 5)
2018-12-17T22:21:23.671897045Z 62 PC: 12b49 | Close file
2018-12-17T22:21:23.674738454Z 61 PC: 12b52 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:21:23.682132985Z 64 PC: 12a54 | Write file or device (Write 625 bytes on handle 5)
2018-12-17T22:21:23.691350268Z 87 PC: 12b7a | Get or set file date and time
2018-12-17T22:21:23.694467033Z 62 PC: 12b82 | Close file
2018-12-17T22:21:23.703250395Z 67 PC: 12b8f | Get or set file attributes
2018-12-17T22:21:23.708906743Z 0 PC: 12ba6 | Program terminate