Sample viewer

vx.netlux.org/Virus.DOS.Jerusalem.1523.a

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:07:55.000239008Z 224 PC: 12ac8 | UNKNOWN!
2018-12-17T23:07:55.00219213Z 224 PC: 12b1c | UNKNOWN!
2018-12-17T23:07:55.00366207Z 74 PC: 12ba0 | Reallocate memory
2018-12-17T23:07:55.005481134Z 53 PC: 12ba5 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:07:55.007152708Z 37 PC: 12bb9 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:07:55.009424505Z 42 PC: 12be9 | Get date 0x12be9: mov byte ptr cs:[7], 0
0x12bef: cmp cx, 0x7c3
0x12bf3: je 0x12c25
0x12bf5: cmp al, 5
0x12bf7: jne 0x12c06
0x12bf9: cmp dl, 0xd
0x12bfc: jne 0x12c06
0x12bfe: inc byte ptr cs:[7]
0x12c03: jmp 0x12c25
0x12c05: nop
0x12c06: mov ax, 0x3508
0x12c09: int 0x21
0x12c0b: mov word ptr cs:[0xc], bx
0x12c10: mov word ptr cs:[0xe], es
0x12c15: push cs
0x12c16: pop ds
0x12c17: mov word ptr [0x18], 0x7e90
0x12c1d: mov ax, 0x2508
0x12c20: mov dx, 0x217
0x12c23: int 0x21
2018-12-17T23:07:55.012210357Z 53 PC: 12c0b | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T23:07:55.01390847Z 37 PC: 12c25 | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T23:07:55.016549278Z 75 PC: 12c31 | Execute program
2018-12-17T23:07:55.03528049Z 73 PC: 12c37 | Release memory
2018-12-17T23:07:55.037564802Z 77 PC: 12c3b | Get program return code
2018-12-17T23:07:55.039715631Z 49 PC: 12c49 | Terminate and stay resident (Return code = '0' | Memory size = '112')