Managed XDR

vtdl_1730396024_o6j7s8ex — malware analysis report

File info

Filename
vtdl_1730396024_o6j7s8ex
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Name of Creating Application: Microsoft Excel, Last Printed: Wed Oct 11 09:43:59 2017, Create Time/Date: Tue Dec 17 01:32:42 1996, Last Saved Time/Date: Wed Apr 14 03:01:47 2021, Security: 0
File size
55 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
94074da06320c088f210a05d5c908cc14a6fff9d
SHA256
c739b2bbb0577b569fd31f055304f057ce2e69ff1790ccd7057ec32e412143b8
MD5
f7c3cec521fbe1a7e07cbe7040d491f6

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 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

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
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