Managed XDR

vtdl_o6p7k299 — malware analysis report

File info

Filename
vtdl_o6p7k299
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: -535, Subject: bacnam.com.vn, Author: Tn Nhng V, Keywords: bacnam.com.vn, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Sat Jan 27 11:15:11 2024, Create Time/Date: Thu Nov 22 00:41:41 2012, Last Saved Time/Date: Sat Jan 27 11:15:18 2024, Security: 0
File size
6.3 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
fe2274bed0120749e637af765109c0ad94550fd4
SHA256
21bfc1d9813f665cf40a414921be14b73d204eb94002ff51f34cfef241df1c16
MD5
0a0b5b9bf64978dd3c82045f94abfc9c

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 5)
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

T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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
T1064 office_macros: The document contains macroses (total: 5)
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
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
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