Managed XDR

vtdl_z8dr1iyg — malware analysis report

File info

Filename
vtdl_z8dr1iyg
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: ANH THUONG, Last Saved By: SAI GON 9, Name of Creating Application: Microsoft Excel, Last Printed: Wed Jan 31 07:25:16 2024, Create Time/Date: Tue Jul 8 14:16:17 2003, Last Saved Time/Date: Wed Jan 31 08:56:01 2024, Security: 0
File size
786.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
88bb179e50c50f36a96016b2d3b796d3f8b69502
SHA256
16121194d9a9dadffa44b0589e07ab5b442d52c7d0e1d00618394e08c5076e07
MD5
47b58b155a3b650bae101903c13b731e

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 192)
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: 192)
T1064 office_macros_autoexec: The document contains an auto-start macro
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
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
checktokenmembership: Checks user token with CheckTokenMembership call