Managed XDR

vtdl__4nn5uu1 — malware analysis report

File info

Filename
vtdl__4nn5uu1
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: CMS, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Wed Jun 7 10:29:22 2023, Create Time/Date: Mon Oct 27 01:28:31 2003, Last Saved Time/Date: Mon Jan 29 03:09:18 2024, Security: 0
File size
1.7 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9d3474894baf6c615921deb369b3c5d6bc950051
SHA256
57a619cd8dc3791d2102f96cc2a3b6fe6ade5d871a763f579630bc3eee573e67
MD5
8364f8de6bbd17ae35ce2ac0c6f452e1

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro

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

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
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1497 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
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
creates_doc: Creates (office) documents in the file system
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