Sample viewer

vx.netlux.org/Virus.DOS.Jerusalem.1716.a

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:55:08.573460264Z 192 PC: 12bb7 | UNKNOWN!
2018-12-17T22:55:08.57522927Z 74 PC: 12bca | Reallocate memory
2018-12-17T22:55:08.576835538Z 53 PC: 12bcf | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:55:08.5783719Z 37 PC: 12be3 | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:55:08.580367045Z 42 PC: 130a3 | Get date 0x130a3: mov byte ptr [bp - 6], dh
0x130a6: mov byte ptr [bp - 8], dl
0x130a9: mov byte ptr [bp - 5], 0
0x130ad: mov byte ptr [bp - 7], 0
0x130b1: mov di, cx
0x130b3: sub di, 0x7b2
0x130b7: mov ax, 0x16d
0x130ba: mul di
0x130bc: mov si, ax
0x130be: add di, 2
0x130c1: test di, 3
0x130c5: jne 0x130d0
0x130c7: cmp word ptr [bp - 6], 2
0x130cb: ja 0x130d0
0x130cd: sub di, 4
0x130d0: mov ax, di
0x130d2: shr ax, 1
0x130d4: shr ax, 1
0x130d6: add si, ax
0x130d8: mov bx, word ptr [bp - 6]
2018-12-17T22:55:08.582829424Z 42 PC: 12c32 | Get date 0x12c32: mov byte ptr cs:[0xeb], 0
0x12c38: cmp cx, 0x7c7
0x12c3c: jb 0x12c47
0x12c3e: cmp al, 5
0x12c40: jne 0x12c47
0x12c42: inc byte ptr cs:[0xeb]
0x12c47: pop dx
0x12c48: pop cx
0x12c49: pop bx
0x12c4a: pop ax
0x12c4b: pop es
0x12c4c: pop ds
0x12c4d: pushf
0x12c4e: lcall ptr cs:[0xf3]
0x12c53: push ds
0x12c54: pop es
0x12c55: mov ah, 0x49
0x12c57: int 0x21
0x12c59: mov ah, 0x4d
0x12c5b: int 0x21
2018-12-17T22:55:08.585008178Z 75 PC: 12c53 | Execute program
2018-12-17T22:55:08.600353993Z 9 PC: 13459 | Display string (Could not find end pointer)
2018-12-17T22:55:08.607832419Z 76 PC: 1345e | Terminate with return code (Return code = '0')
2018-12-17T22:55:08.614086056Z 73 PC: 12c59 | Release memory
2018-12-17T22:55:08.615689842Z 77 PC: 12c5d | Get program return code
2018-12-17T22:55:08.617554915Z 49 PC: 12c6b | Terminate and stay resident (Return code = '0' | Memory size = '124')