Managed XDR

vtdl_1751048174_e65ouv2e — malware analysis report

File info

Filename
vtdl_1751048174_e65ouv2e
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Author: CHICHAO, Last Saved By: An, Revision Number: 1, Name of Creating Application: Microsoft Excel, Last Printed: Wed Jul 8 06:04:37 2015, Create Time/Date: Wed Mar 29 05:43:57 2006, Last Saved Time/Date: Fri Dec 31 06:00:16 2021, Number of Pages: 0, Number of Words: 0, Number of Characters: 0, Security: 0
File size
186 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
1aed72e1553cb932ccee87dc52f6a6b5a7b09ca0
SHA256
9f4a1ad51f3be25e3cc120d2feb8c7927fbf29fa4c8cf1ed2fea608ecb4134b6
MD5
c9e9c7dacb91ba8ba2dcde6b516bc659

Signatures

Execution

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

T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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
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