Sample viewer

vx.netlux.org/Virus.DOS.Jerusalem.1427

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:23:38.506599927Z 224 PC: 12a79 | UNKNOWN!
2018-12-17T22:23:38.508330376Z 224 PC: 12acd | UNKNOWN!
2018-12-17T22:23:38.509291592Z 74 PC: 12b51 | Reallocate memory
2018-12-17T22:23:38.51063665Z 53 PC: 12b56 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:23:38.519332049Z 37 PC: 12b6a | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:23:38.520545637Z 42 PC: 12b9a | Get date 0x12b9a: mov byte ptr cs:[0x59b], 0
0x12ba0: cmp cx, 0x7c3
0x12ba4: je 0x12bd5
0x12ba6: cmp al, 5
0x12ba8: jne 0x12bb6
0x12baa: cmp dl, 0xd
0x12bad: jne 0x12bb6
0x12baf: inc byte ptr cs:[0x59b]
0x12bb4: jmp 0x12bd5
0x12bb6: mov ax, 0x3508
0x12bb9: int 0x21
0x12bbb: mov word ptr cs:[0x5a0], bx
0x12bc0: mov word ptr cs:[0x5a2], es
0x12bc5: push cs
0x12bc6: pop ds
0x12bc7: mov word ptr [0x5ac], 0x7e90
0x12bcd: mov ax, 0x2508
0x12bd0: mov dx, 0x1bc
0x12bd3: int 0x21
0x12bd5: pop dx
2018-12-17T22:23:38.522631597Z 53 PC: 12bbb | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:23:38.523763372Z 37 PC: 12bd5 | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:23:38.527626875Z 75 PC: 12be1 | Execute program
2018-12-17T22:23:38.544922688Z 9 PC: 133e5 | Display string (String= '')
2018-12-17T22:23:38.547553091Z 9 PC: 133ec | Display string (Could not find end pointer)
2018-12-17T22:23:38.571090922Z 76 PC: 13402 | Terminate with return code (Return code = '0')
2018-12-17T22:23:38.577398017Z 73 PC: 12be7 | Release memory
2018-12-17T22:23:38.580175717Z 77 PC: 12beb | Get program return code
2018-12-17T22:23:38.582479763Z 49 PC: 12bf9 | Terminate and stay resident (Return code = '0' | Memory size = '112')