Managed XDR

bc170000 — malware analysis report

File info

Filename
bc170000
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Thienb2b, Last Saved By: george, Name of Creating Application: Microsoft Excel, Last Printed: Sat Jun 30 06:46:32 2018, Create Time/Date: Wed Mar 22 13:32:23 2006, Last Saved Time/Date: Wed Oct 30 06:49:32 2024, Security: 0
File size
222.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
15ce340927b5d94ba06830f7e727e5090a975319
SHA256
32380809c37f7fde26aa570fd2c12998f73b79a6654dba1a44e150b1515ed991
MD5
71944490156d41c43e0fb79aa70841d5

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 4)
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

T1096 persistence_ads: Creates Alternate Data Stream (ADS)
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
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

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
T1083 checks_recent_files: Attempt to check recently opened files through registry
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
creates_suspended_process: Creates suspended process
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