Managed XDR

vtdl_6n1fzxnv — malware analysis report

File info

Filename
vtdl_6n1fzxnv
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Thanh An, Last Saved By: george, Name of Creating Application: Microsoft Excel, Last Printed: Mon Jan 31 02:50:40 2022, Create Time/Date: Mon Jan 30 02:21:07 2012, Last Saved Time/Date: Thu Feb 22 04:45:54 2024, Security: 0
File size
48.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9e6881c29bff73b25c00ad2ef38639b4b3460e1a
SHA256
496ed2247cdb77cfa1538a3c8a3b19a8031f1eaabc08dc4fd0c8fcc03b263a7e
MD5
874f8881b1e34646d663f86d3aa7f5ba

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: 4)
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: 4)
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
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