Managed XDR

vtdl_64zxxim7 — malware analysis report

File info

Filename
vtdl_64zxxim7
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Subject: bacnam.com.vn, Author: Windows User, Keywords: bacnam.com.vn, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Tue Dec 21 10:07:35 2021, Create Time/Date: Thu Nov 22 00:41:41 2012, Last Saved Time/Date: Wed Dec 22 09:53:26 2021, Security: 0
File size
8.4 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8350968e3f5ed2a013f1c1197f4c9a3c490e50cc
SHA256
5f8748bf6113a47678d5d6ac26c4e8e9998616c7c797501ed72dd89c29d4b95c
MD5
a7a32e6c9d6cd38168525e3349e6bc29

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: 9)
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: 9)
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
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