Sample viewer

vx.netlux.org/Virus.DOS.Vienna.495

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:48:25.636332748Z 47 PC: 1516a | Get disk transfer address
2018-12-17T22:48:25.637695596Z 26 PC: 1517d | Set disk transfer address
2018-12-17T22:48:25.638715097Z 78 PC: 15209 | Find first file
2018-12-17T22:48:25.642626113Z 67 PC: 15248 | Get or set file attributes
2018-12-17T22:48:25.646543645Z 67 PC: 1525a | Get or set file attributes
2018-12-17T22:48:25.673898013Z 61 PC: 15265 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:48:25.68595977Z 87 PC: 15271 | Get or set file date and time
2018-12-17T22:48:25.687286276Z 44 PC: 1527d | Get time 0x1527d: and dh, 7
0x15280: jmp 0x15283
0x15282: nop
0x15283: mov ah, 0x3f
0x15285: mov cx, 3
0x15288: mov dx, 0
0x1528b: nop
0x1528c: add dx, si
0x1528e: int 0x21
0x15290: jb 0x152e8
0x15292: cmp ax, 3
0x15295: jne 0x152e8
0x15297: mov ax, 0x4202
0x1529a: mov cx, 0
0x1529d: mov dx, 0
0x152a0: int 0x21
0x152a2: jb 0x152e8
0x152a4: mov cx, ax
0x152a6: sub ax, 3
0x152a9: mov word ptr [si + 4], ax
2018-12-17T22:48:25.690904197Z 63 PC: 15290 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:48:25.69805147Z 66 PC: 152a2 | Move file pointer
2018-12-17T22:48:25.700073263Z 64 PC: 152c7 | Write file or device (Write 495 bytes on handle 5)
2018-12-17T22:48:25.710119545Z 66 PC: 152d9 | Move file pointer
2018-12-17T22:48:25.711669848Z 64 PC: 152e8 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:48:25.718537812Z 87 PC: 152fb | Get or set file date and time
2018-12-17T22:48:25.72058105Z 62 PC: 152ff | Close file
2018-12-17T22:48:25.728846806Z 67 PC: 1530e | Get or set file attributes
2018-12-17T22:48:25.738657361Z 26 PC: 1531b | Set disk transfer address
2018-12-17T22:48:25.742349834Z 9 PC: 12bb5 | Display string (String= '')
2018-12-17T22:48:25.747876289Z 9 PC: 12bbc | Display string (Could not find end pointer)
2018-12-17T22:48:25.759258962Z 76 PC: 12bd2 | Terminate with return code (Return code = '0')