Managed XDR

vtdl_fn7ogyw8 — malware analysis report

File info

Filename
vtdl_fn7ogyw8
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: TUANH-TR, Last Saved By: An Viet Computer, Name of Creating Application: Microsoft Excel, Last Printed: Tue Mar 19 05:38:36 2024, Create Time/Date: Mon Jul 12 04:05:30 2021, Last Saved Time/Date: Sat Oct 12 03:39:38 2024, Security: 0
File size
556 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
901821bc760913333fa9fd567261d46a2fbee15f
SHA256
ace8d67335367c8f089a133ab0847920a8fe118532ccc497dccb1b976d1cd258
MD5
d0b64f2cae78f1c630175b82f93f8c15

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

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

T1096 persistence_ads: Creates Alternate Data Stream (ADS)
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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
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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call