Managed XDR

vtdl_1750620144_kyr1fva5 — malware analysis report

File info

Filename
vtdl_1750620144_kyr1fva5
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Last Saved By: Dell, Name of Creating Application: Microsoft Excel, Last Printed: Thu Jan 10 06:47:33 2019, Create Time/Date: Tue Jan 19 02:56:04 1999, Last Saved Time/Date: Thu Jan 28 08:41:44 2021, Security: 0
File size
102.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c83baa3f1f2dcec5d507bce16eb9eecf1a9a65eb
SHA256
7c15d08dce5eb8a04109a25c1baab068db6e0c41bee75fb3f1787233e572e3ca
MD5
8c1dac8e9ca417a75fba24db78c58c66

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
Managed XDR