Sample viewer

vx.netlux.org/Virus.DOS.Ash.324

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:54:27.840966184Z 26 PC: 12a7e | Set disk transfer address
2018-12-17T22:54:27.843436047Z 78 PC: 12a89 | Find first file
2018-12-17T22:54:27.849713718Z 67 PC: 12ab3 | Get or set file attributes
2018-12-17T22:54:27.866174592Z 61 PC: 12ad2 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:54:27.872901465Z 66 PC: 12ae0 | Move file pointer
2018-12-17T22:54:27.874896024Z 63 PC: 12aec | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:54:27.881121796Z 66 PC: 12b0d | Move file pointer
2018-12-17T22:54:27.882524675Z 64 PC: 12b18 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:54:27.886361844Z 66 PC: 12b22 | Move file pointer
2018-12-17T22:54:27.887748184Z 44 PC: 12b26 | Get time 0x12b26: test dl, dl
0x12b28: je 0x12b22
0x12b2a: test dh, dh
0x12b2c: jne 0x12b30
0x12b2e: mov dh, 0x42
0x12b30: mov word ptr [bp + 0x262], dx
0x12b34: call 0x12ba4
0x12b37: mov ax, 0x4301
0x12b3a: mov cx, word ptr [bp + 0x251]
0x12b3e: int 0x21
0x12b40: mov ax, 0x5701
0x12b43: mov cx, word ptr [bp + 0x252]
0x12b47: mov dx, word ptr [bp + 0x254]
0x12b4b: int 0x21
0x12b4d: mov ah, 0x3e
0x12b4f: int 0x21
0x12b51: mov ah, 0x1a
0x12b53: mov dx, 0x80
0x12b56: int 0x21
0x12b58: mov ax, 0x100
2018-12-17T22:54:27.890032632Z 64 PC: 12bb2 | Write file or device (Write 321 bytes on handle 5)
2018-12-17T22:54:27.899382487Z 67 PC: 12b40 | Get or set file attributes
2018-12-17T22:54:27.903652587Z 87 PC: 12b4d | Get or set file date and time
2018-12-17T22:54:27.905123637Z 62 PC: 12b51 | Close file
2018-12-17T22:54:27.917997597Z 26 PC: 12b58 | Set disk transfer address