Managed XDR

vtdl_y12zqn_a — malware analysis report

File info

Filename
vtdl_y12zqn_a
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: Tran Tu Ngoc, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Fri Jan 5 11:34:36 2024, Create Time/Date: Thu Feb 5 19:33:11 2004, Last Saved Time/Date: Thu Mar 14 03:26:13 2024, Security: 0
File size
74 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
08353eab741e384557cbc4d8d0466978555d8be1
SHA256
c40ed266605d34b6371c37acc8021ee13ec525ca386f83dbaa8befa3b4cc9d9f
MD5
af5d1d9c9feda730db6dac4e1bb3f379

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

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