Managed XDR

vtdl_7zpmqk6x — malware analysis report

File info

Filename
vtdl_7zpmqk6x
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 936, Title: 2021.3.3 V2.1, Author: Z(-)(M), Keywords: , Template: Normal, Last Saved By: Lowger, Revision Number: 2, Name of Creating Application: Microsoft Office Word, Last Printed: Mon Sep 2 03:44:00 2024, Create Time/Date: Tue Oct 15 01:56:00 2024, Last Saved Time/Date: Tue Oct 15 01:56:00 2024, Number of Pages: 2, Number of Words: 2700, Number of Characters: 15391, Security: 0
File size
1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
76159f4ba8dfb38e9b9a7b26a5c94acbf0a77610
SHA256
e023ae54901019831a739f324ed48f39f1c98a66a1cb4b658970b1a31866bf5d
MD5
c7889e07097fa1f7c3546ca81070600f

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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 macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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
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