Managed XDR

vtdl_1fubz3vo — malware analysis report

File info

Filename
vtdl_1fubz3vo
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Author: Administrator, Name of Creating Application: Microsoft Excel, Last Printed: Mon Jun 20 04:56:32 2022, Create Time/Date: Tue Dec 17 01:32:42 1996, Last Saved Time/Date: Mon Jan 21 21:31:40 2013, Security: 0
File size
49.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f371657eeb0a3b30f68fabcfe98cb6d89d3f6a5e
SHA256
e84ffecf1d16ecd1723bdfbc19b0ab773d2a88c0c272d0f47e0318d5dafb85c2
MD5
8581c4b185f090fba4155c0816604dc0

Signatures

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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1083 checks_recent_files: Attempt to check recently opened files through registry

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