Sample viewer

vx.netlux.org/Virus.DOS.Khizhnjak.797

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:04:14.170891176Z 78 PC: 12a83 | Find first file
2018-12-17T22:04:14.175437445Z 67 PC: 12ad3 | Get or set file attributes
2018-12-17T22:04:14.190918679Z 61 PC: 12ae0 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:04:14.197894072Z 63 PC: 12af8 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:04:14.202932914Z 66 PC: 12b0d | Move file pointer
2018-12-17T22:04:14.204299128Z 66 PC: 12b47 | Move file pointer
2018-12-17T22:04:14.205358914Z 63 PC: 12b5a | Read file or device (Read 1 bytes on handle 5)
2018-12-17T22:04:14.207427635Z 66 PC: 12b9c | Move file pointer
2018-12-17T22:04:14.208711573Z 64 PC: 12bb0 | Write file or device (Write 797 bytes on handle 5)
2018-12-17T22:04:14.214878028Z 66 PC: 12bc5 | Move file pointer
2018-12-17T22:04:14.216230647Z 64 PC: 12bd8 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:04:14.222083509Z 42 PC: 12be1 | Get date 0x12be1: cmp cx, dx
0x12be3: jne 0x12bf0
0x12be5: mov ah, 3
0x12be7: int 0x13
0x12be9: mov ah, 9
0x12beb: mov dx, 0x413
0x12bee: int 0x21
0x12bf0: cmp word ptr [0x309], -1
0x12bf5: je 0x12bff
0x12bf7: mov bx, word ptr [0x309]
0x12bfb: mov ah, 0x3e
0x12bfd: int 0x21
0x12bff: cmp word ptr cs:[0x103], -1
0x12c05: je 0x12c22
0x12c07: mov cx, 0x100
0x12c0a: mov bx, 0
0x12c0d: mov al, byte ptr [bx + 0x312]
0x12c11: mov byte ptr cs:[bx], al
0x12c14: inc bx
0x12c15: loop 0x12c0d
2018-12-17T22:04:14.223970395Z 62 PC: 12bff | Close file
2018-12-17T22:04:14.231541047Z 76 PC: 12c27 | Terminate with return code (Return code = '0')