Sample viewer

vx.netlux.org/Virus.DOS.Valhala.758

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:55:22.871372636Z 44 PC: 12c6e | Get time 0x12c6e: cmp al, 0x88
0x12c70: je 0x12ccb
0x12c72: push es
0x12c73: mov ax, 0x3521
0x12c76: int 0x21
0x12c78: mov word ptr cs:[bp + 0x126], es
0x12c7d: mov word ptr cs:[bp + 0x128], bx
0x12c82: pop es
0x12c83: mov ah, 0x4a
0x12c85: mov bx, 0xffff
0x12c88: int 0x21
0x12c8a: mov ah, 0x4a
0x12c8c: sub bx, 0x101
0x12c90: int 0x21
0x12c92: mov ah, 0x48
0x12c94: mov bx, 0x100
0x12c97: int 0x21
0x12c99: dec ax
0x12c9a: mov es, ax
0x12c9c: mov byte ptr es:[0], 0x5a
2018-12-17T22:55:22.874648326Z 53 PC: 12c78 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:55:22.875954689Z 74 PC: 12c8a | Reallocate memory
2018-12-17T22:55:22.877614817Z 74 PC: 12c92 | Reallocate memory
2018-12-17T22:55:22.880996351Z 72 PC: 12c99 | Allocate memory
2018-12-17T22:55:22.88262801Z 37 PC: 12cca | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:55:22.885028314Z 9 PC: 12a82 | Display string (String= 'Goat file (EXE). Size=000003E8h/0000001000d bytes. ')
2018-12-17T22:55:22.889890384Z 76 PC: 12a86 | Terminate with return code (Return code = '36')