Managed XDR

vtdl_3qi63c95 — malware analysis report

File info

Filename
vtdl_3qi63c95
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: -535, Author: Thu Ngc Phm, Last Saved By: welcome, Name of Creating Application: Microsoft Excel, Last Printed: Fri Jan 19 09:49:51 2024, Create Time/Date: Sat Sep 2 16:59:22 2023, Last Saved Time/Date: Fri Jan 19 09:54:51 2024, Security: 0
File size
307.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ef8a4934fc93b64fd34b173d5774efd9cb0976d0
SHA256
b20f7d04614167cc589e40faaf28006e180acae7ab65f73a0e6c022069a19e4d
MD5
71baa8a79053786117a577aacb079592

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
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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
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