Managed XDR

vtdl_m746tad5 — malware analysis report

File info

Filename
vtdl_m746tad5
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: TRAN MINH TUAN, Last Saved By: NhuLam, Name of Creating Application: Microsoft Excel, Last Printed: Thu Aug 17 10:20:02 2023, Create Time/Date: Sun Jul 31 00:52:16 2022, Last Saved Time/Date: Wed Jan 10 10:33:58 2024, Security: 0
File size
82.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
739e49f6b4bf84bafdc7905d913e95b24bbc3428
SHA256
6cba5e32b453ad85980954d998b2b23476bf9b0a5206be1ff16d06ee2dbd3a99
MD5
4c1970fd12fcb0e3097311d6ee2419e3

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: 4)
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: 4)
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
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