Managed XDR

vtdl_fqvb_rjk — malware analysis report

File info

Filename
vtdl_fqvb_rjk
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: LE_NGOC_THAM, Last Saved By: george, Name of Creating Application: Microsoft Excel, Last Printed: Thu Jan 4 03:11:50 2024, Create Time/Date: Tue Apr 24 01:47:05 2007, Last Saved Time/Date: Mon Mar 18 10:54:18 2024, Security: 0
File size
411 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3b18834dc1a031baffc0fc39c5c6f65136241629
SHA256
92f08cd4c2700f5f98e11bf459515132b63212d1e707ede7ef13cd169e7029fb
MD5
d873071fb732b3a08d07c7b65e68a706

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

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
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

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
creates_doc: Creates (office) documents in the file system
office_summary: The document contains suspicious metadata
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