Managed XDR

vtdl_1753694600_flzzff8r — malware analysis report

File info

Filename
vtdl_1753694600_flzzff8r
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Last Saved By: PC, Name of Creating Application: Microsoft Excel, Last Printed: Thu Mar 25 01:52:42 2021, Create Time/Date: Tue Jan 5 02:11:26 2010, Last Saved Time/Date: Tue Jun 29 14:25:36 2021, Security: 0
File size
710 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6420127a4cee385d20b2035b80ee76c2444a6a8e
SHA256
eb2cdd5137114630aa1769d6fa150b576a796f70bf7bdc631db6c139e2c715ae
MD5
7eb7e2a4e8d7e94e8577bab65f6a1fbc

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

T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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
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