Sample viewer

vx.netlux.org/Virus.DOS.Jerusalem.1524

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:06:51.385340359Z 224 PC: 12ad7 | UNKNOWN!
2018-12-17T22:06:51.386791127Z 224 PC: 12b2b | UNKNOWN!
2018-12-17T22:06:51.389571282Z 74 PC: 12baf | Reallocate memory
2018-12-17T22:06:51.391749527Z 53 PC: 12bb4 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:06:51.39387246Z 37 PC: 12bc8 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:06:51.395503189Z 42 PC: 12bf8 | Get date 0x12bf8: mov byte ptr cs:[0x5f3], 0
0x12bfe: nop
0x12bff: cmp cx, 0x7c3
0x12c03: je 0x12c35
0x12c05: cmp al, 5
0x12c07: jne 0x12c16
0x12c09: cmp dl, 0xd
0x12c0c: jne 0x12c16
0x12c0e: inc byte ptr cs:[0x5f3]
0x12c13: jmp 0x12c35
0x12c15: nop
0x12c16: mov ax, 0x3508
0x12c19: int 0x21
0x12c1b: mov word ptr cs:[0x57], bx
0x12c20: mov word ptr cs:[0x59], es
0x12c25: push cs
0x12c26: pop ds
0x12c27: mov word ptr [0x63], 0x7e90
0x12c2d: mov ax, 0x2508
0x12c30: mov dx, 0x21c
2018-12-17T22:06:51.397948896Z 53 PC: 12c1b | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:06:51.399654101Z 37 PC: 12c35 | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:06:51.400862581Z 75 PC: 12c41 | Execute program
2018-12-17T22:06:51.40983155Z 9 PC: 132e2 | Display string (String= 'Goat file (COM). Size=00000064h/0000000100d bytes. ')
2018-12-17T22:06:51.413969916Z 76 PC: 132e6 | Terminate with return code (Return code = '36')
2018-12-17T22:06:51.418034837Z 73 PC: 12c47 | Release memory
2018-12-17T22:06:51.419550922Z 77 PC: 12c4b | Get program return code
2018-12-17T22:06:51.420647042Z 49 PC: 12c59 | Terminate and stay resident (Return code = '36' | Memory size = '112')