Managed XDR

attachment.xls — malware analysis report

File info

Filename
attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Author: TAS-AN00, Last Saved By: Administrator, Name of Creating Application: WPS Office, Last Printed: Mon Jan 9 09:06:42 2023, Create Time/Date: Sat Feb 20 11:40:00 2021, Last Saved Time/Date: Mon Jan 9 09:28:48 2023, Security: 0
File size
119.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
37acb34cd3124d2afce3b44c748698a16e0b7902
SHA256
e45ea2b8773555daab5fa9f29ae21f204573224950d72210646d54de4462e684
MD5
7433a0e9176f72d8bab9b1d50fcde28c

Signatures

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
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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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
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