Managed XDR

vtdl_1748261668_w797dhue — malware analysis report

File info

Filename
vtdl_1748261668_w797dhue
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Author: admin, Revision Number: 1, Name of Creating Application: Microsoft Excel, Last Printed: Thu May 6 02:22:46 2021, Create Time/Date: Tue Dec 17 01:32:42 1996, Last Saved Time/Date: Thu May 20 01:00:05 2021, Number of Pages: 0, Number of Words: 0, Number of Characters: 0, Security: 0
File size
118 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6c861034eb69c2ba4bf6c630e7f6fa87094558af
SHA256
a4b384fb1a73140c84145ee81d2d251ba3e544ed833f9e7b7aa3e0a5bb90c1b8
MD5
58ae32a79232d86c0ac3d1c33061a6fe

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