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, Last Saved By: Administrator, Name of Creating Application: Microsoft Excel, Last Printed: Wed Mar 2 00:57:18 2022, Create Time/Date: Mon May 31 03:54:01 1999, Last Saved Time/Date: Wed Mar 2 01:02:03 2022, Security: 0
File size
131.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
086741e113f59bdafdec8f369697f020a7f1a51c
SHA256
6723e747d49f5804995367487b7c815dd6d4b93a79d3617712c83c871a450e68
MD5
a366659b2e6a2cddbd80773aed9fa894

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

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

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
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
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