Managed XDR

vtdl_915njai8 — malware analysis report

File info

Filename
vtdl_915njai8
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Admin, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Nov 29 09:01:30 2023, Last Saved Time/Date: Wed Jan 31 07:44:20 2024, Security: 0
File size
291 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8d2fcce67ae34d3b3baecfc414874c276430aad0
SHA256
5d62c94c95840dbe46ee71baeb03efa61854e0d9be6e9411d8ef9c1ac80f3e17
MD5
c86eca7c2d28e3194e91e8e83912dd67

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro

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
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 macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro

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
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
create_rpc_bindings: Creates RPC connection
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