Managed XDR

vtdl_wk84oj_n — malware analysis report

File info

Filename
vtdl_wk84oj_n
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Admin, Last Saved By: Dell, Name of Creating Application: Microsoft Excel, Last Printed: Fri Dec 15 01:15:05 2023, Create Time/Date: Thu Aug 11 08:14:20 2011, Last Saved Time/Date: Mon Jan 22 00:59:44 2024, Security: 0
File size
332.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
98813e799b8f77512d3cce12c8fcc9d767918c19
SHA256
6c1b8dc9d884200ee7fd7fa6c9a72a38b954439e17cb379b5108b1040f393693
MD5
b50a77d00e4a156cd8e81763668401e7

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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 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
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