Managed XDR

vtdl_4vtku8yj — malware analysis report

File info

Filename
vtdl_4vtku8yj
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: LAM HONG, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Mon Jan 8 01:01:25 2024, Create Time/Date: Tue Aug 9 08:16:23 2022, Last Saved Time/Date: Mon Jan 8 01:05:21 2024, Security: 0
File size
64.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
fb6d057e0aff94190936cc0b066f0d95b55117e8
SHA256
bde04f4bdd23e9af68e60020ca4ae53f30dcb458a01567458300358778b97a7a
MD5
9fb9e0e461da1dc8aa8c38cc785e23e0

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
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