Managed XDR

vtdl_aypfutn4 — malware analysis report

File info

Filename
vtdl_aypfutn4
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: -535, Title: Mu bng bo gi, Subject: Bng bo gi excel, Author: bao, Keywords: Mu bng bo gi, Bng bo gi excel, Last Saved By: Joe Cage, Name of Creating Application: Microsoft Excel, Last Printed: Wed Jun 15 07:48:51 2022, Create Time/Date: Tue Aug 19 06:20:00 2014, Last Saved Time/Date: Wed Apr 24 10:02:30 2024, Security: 0
File size
306 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c7eb1569742a52412b60b5a09f98b12e216ac7c0
SHA256
f45beaceaee31bb2c87470bebca9349119754d2546b14617fcb7d86bf6965adb
MD5
3a326ed2385d5712ef5dafe49cbcf2a1

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

T1096 persistence_ads: Creates Alternate Data Stream (ADS)
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

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
unexpected_exception: Unexpected exception
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
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
checktokenmembership: Checks user token with CheckTokenMembership call