Managed XDR

vtdl_bi_a6fzv — malware analysis report

File info

Filename
vtdl_bi_a6fzv
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Tommy_Phan, Last Saved By: george, Name of Creating Application: Microsoft Excel, Last Printed: Thu Apr 7 01:46:37 2022, Create Time/Date: Fri Apr 12 09:15:07 2019, Last Saved Time/Date: Wed Mar 6 05:03:46 2024, Security: 0
File size
56.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
11a2730af5d3560de36b404e676d42cd7d8982e7
SHA256
971e6e104071cee80373156bab26763592e5ced01c20e68deaf2976162f4b685
MD5
d00bf6beb41864b3ca36ec6b76983724

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

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

Discovery

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
T1497 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
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