Managed XDR

vtdl_x733zyx8 — malware analysis report

File info

Filename
vtdl_x733zyx8
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Author: wangtao, Name of Creating Application: Microsoft Excel, Last Printed: Thu Apr 16 09:32:26 2020, Create Time/Date: Tue Dec 17 01:32:42 1996, Last Saved Time/Date: Wed Jun 23 12:38:05 2021, Security: 0
File size
74.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
26e9fdb287a3ea93ae2e5a57beffa3ca3c88b418
SHA256
82e6eb96e297fbf3f83b429ed794b15ec86e1041935ce6434d8ee471cad285a1
MD5
7ce4e06ee6e0427f6a6dac8cf78a8422

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

Privilege Escalation

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call