Managed XDR

c-users-user-desktop-spreadsheet.xls — malware analysis report

File info

Filename
c-users-user-desktop-spreadsheet.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 936, Author: melantha, Last Saved By: MC SYSTEM, Revision Number: 1, Name of Creating Application: WPS Office , Last Printed: Thu Oct 14 03:38:36 2021, Create Time/Date: Fri Aug 6 21:16:43 2010, Last Saved Time/Date: Mon Oct 18 08:43:41 2021, Number of Pages: 0, Number of Words: 0, Number of Characters: 0, Security: 0
File size
80 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6cc5e190eb1eca637c1c3edc493ce00a7a3379c0
SHA256
c5de35c879638713394d1b099988602d20ca505f938fb2aa5ac9d2193a544606
MD5
dc254d982db8eb15019117feb1a64501

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