Managed XDR

attachment.xls — malware analysis report

File info

Filename
attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 936, Author: CNPC102Z, Last Saved By: CNPC, Name of Creating Application: Microsoft Excel, Total Editing Time: Sat Dec 30 00:00:00 1899, Last Printed: Sat Dec 30 00:00:00 1899, Create Time/Date: Fri Jan 20 04:59:01 2017, Last Saved Time/Date: Wed Feb 5 05:43:58 2025, Number of Pages: 0, Number of Words: 0, Number of Characters: 0, Security: 0
File size
296 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e963b7ad0e59d1b352e871d457beecccb0e0a224
SHA256
b81ae07f5f69e3d264db9989de355759e2ca25c901c44840109f461683c76f62
MD5
49740151f3e12be382292a8a7d2213e0

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