Sample viewer

vx.netlux.org/Virus.DOS.Bops.900

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:44:06.964817468Z 53 PC: 12c91 | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:44:06.966451697Z 37 PC: 12ca2 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:44:06.967610342Z 26 PC: 12ca9 | Set disk transfer address
2018-12-17T22:44:06.968699038Z 71 PC: 12cc4 | Get current directory
2018-12-17T22:44:06.971181434Z 59 PC: 12ccb | Change current directory
2018-12-17T22:44:06.974206019Z 78 PC: 12d79 | Find first file
2018-12-17T22:44:06.978263536Z 67 PC: 12c38 | Get or set file attributes
2018-12-17T22:44:07.155079426Z 61 PC: 12dbe | Open file (Filename = 'TEST.EXE')
2018-12-17T22:44:07.170096201Z 63 PC: 12dcd | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:44:07.177971597Z 66 PC: 12e95 | Move file pointer
2018-12-17T22:44:07.180098669Z 64 PC: 12eae | Write file or device (Write 24 bytes on handle 5)
2018-12-17T22:44:07.184708666Z 66 PC: 12eb7 | Move file pointer
2018-12-17T22:44:07.186482993Z 64 PC: 12ec8 | Write file or device (Write 896 bytes on handle 5)
2018-12-17T22:44:07.197394798Z 87 PC: 12ed5 | Get or set file date and time
2018-12-17T22:44:07.202574435Z 62 PC: 12ed9 | Close file
2018-12-17T22:44:07.212138668Z 67 PC: 12c38 | Get or set file attributes
2018-12-17T22:44:07.223409472Z 59 PC: 12eeb | Change current directory
2018-12-17T22:44:07.229531446Z 42 PC: 12eef | Get date 0x12eef: cmp dx, word ptr [0x448]
0x12ef3: je 0x12efb
0x12ef5: cmp dx, word ptr [0x44a]
0x12ef9: jne 0x12f37
0x12efb: mov ah, 0x2c
0x12efd: int 0xfe
0x12eff: cmp ch, 0xa
0x12f02: jb 0x12f37
0x12f04: mov cx, 0xc8
0x12f07: sub dx, dx
0x12f09: mov al, 0x19
0x12f0b: cmp al, 1
0x12f0d: jne 0x12f11
0x12f0f: sub al, al
0x12f11: cmp al, 0xff
0x12f13: jne 0x12f17
0x12f15: mov al, 1
0x12f17: push ax
0x12f18: push cx
0x12f19: int 0xff
2018-12-17T22:44:07.232505202Z 60 PC: 12f53 | Create or truncate file
2018-12-17T22:44:07.24007218Z 37 PC: 12f64 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:44:07.241827068Z 76 PC: 12aa4 | Terminate with return code (Return code = '0')