Managed XDR

vtdl_k769s90d — malware analysis report

File info

Filename
vtdl_k769s90d
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Bui, Danh, Last Saved By: Le, Vu, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Aug 2 08:58:12 2023, Last Saved Time/Date: Sat Feb 17 03:03:48 2024, Security: 0
File size
858 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
dc8ff3363bc741262657860f8072553786e8d616
SHA256
e8a51ba400ae5fb13baa9e89c3de28d64731c20083b6d291157223c7c9850355
MD5
76725a3ce215c01846dffdfba9433736

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 2)
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: 2)
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
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
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