Managed XDR

vtdl_1730434848_seg0823z — malware analysis report

File info

Filename
vtdl_1730434848_seg0823z
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Author: fu baohua, Last Saved By: h6259dlw, Revision Number: 1, Name of Creating Application: Microsoft Excel, Last Printed: Fri Apr 3 10:56:37 2020, Create Time/Date: Tue May 11 01:37:50 1999, Last Saved Time/Date: Mon Jul 12 00:45:24 2021, Number of Pages: 0, Number of Words: 0, Number of Characters: 0, Security: 0
File size
109 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
2f3f82af8d13b4fdaaa3cca8cdfbccfd1cc708fb
SHA256
a313762b33902882ecfd7f80d57d5ebdb630014de7a83e7ac7f4d29a02fc935d
MD5
371e74b1872a2b103d39b927f07b5b1a

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
create_rpc_bindings: Creates RPC connection
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