Managed XDR

vtdl_gy5buf57 — malware analysis report

File info

Filename
vtdl_gy5buf57
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Author: MrAn, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Mon Mar 27 03:38:36 2023, Create Time/Date: Wed Sep 21 11:13:25 2016, Last Saved Time/Date: Wed Jan 24 07:13:42 2024, Security: 0
File size
372.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
cf077818606b649252872c5793c7c2c012342b1f
SHA256
4dd7c4df5e097203b699abeaf5a77a4cd0a37aad694865f85db0a99180557506
MD5
745fb5081c9fee5ca87c3e84d5481fad

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: 7)
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: 7)
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
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
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