Managed XDR

b4870000 — malware analysis report

File info

Filename
b4870000
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Ron Coderre, Last Saved By: george, Name of Creating Application: Microsoft Excel, Create Time/Date: Mon Aug 27 02:31:36 2007, Last Saved Time/Date: Thu Jan 23 17:25:47 2025, Security: 0
File size
70 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9583d6d607380b514cf913737cb25f931f3dbfc3
SHA256
d09d367857c69b68b869b9c1c536624a24fbc303baa2f0058c432d783720dd45
MD5
62f6799c9527dd640aef50e1ef66ee54

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 6)
T1064 office_macros_autoexec: The document contains an auto-start macro

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

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
T1064 office_macros: The document contains macroses (total: 6)
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
office_suspicious_data: Office file contains suspicious data
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call