Sample viewer

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

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:53:12.993308614Z 204 PC: 12ad8 | UNKNOWN!
2018-12-17T22:53:12.995419899Z 204 PC: 12b2b | UNKNOWN!
2018-12-17T22:53:12.996868833Z 74 PC: 12baf | Reallocate memory
2018-12-17T22:53:12.998491159Z 53 PC: 12bb4 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:53:13.000064538Z 37 PC: 12bc8 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:53:13.003139237Z 42 PC: 12bf8 | Get date 0x12bf8: mov byte ptr cs:[0xc], 0
0x12bfe: cmp cx, 0x7c3
0x12c02: je 0x12c34
0x12c04: cmp al, 5
0x12c06: jne 0x12c15
0x12c08: cmp dl, 0xd
0x12c0b: jne 0x12c15
0x12c0d: inc byte ptr cs:[0xc]
0x12c12: jmp 0x12c34
0x12c14: nop
0x12c15: mov ax, 0x3508
0x12c18: int 0x21
0x12c1a: mov word ptr cs:[0x11], bx
0x12c1f: mov word ptr cs:[0x13], es
0x12c24: push cs
0x12c25: pop ds
0x12c26: mov word ptr [0x1d], 0x7e90
0x12c2c: mov ax, 0x2508
0x12c2f: mov dx, 0x21c
0x12c32: int 0x21
2018-12-17T22:53:13.005828433Z 53 PC: 12c1a | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:53:13.0074153Z 37 PC: 12c34 | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:53:13.009826404Z 75 PC: 12c40 | Execute program
2018-12-17T22:53:13.026450583Z 73 PC: 12c46 | Release memory
2018-12-17T22:53:13.030547342Z 77 PC: 12c4a | Get program return code
2018-12-17T22:53:13.033254087Z 49 PC: 12c59 | Terminate and stay resident (Return code = '0' | Memory size = '113')