Managed XDR

1.-list-inv-ctbc-20240530.xls — malware analysis report

File info

Filename
1.-list-inv-ctbc-20240530.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 950, Author: W9070070, Last Saved By: User, Name of Creating Application: Microsoft Excel, Last Printed: Thu May 30 02:51:16 2024, Create Time/Date: Thu Apr 24 09:26:03 2014, Last Saved Time/Date: Thu May 30 03:00:21 2024, Security: 0
File size
122.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
1ae5df6bee89409741efc4a8ba8fb5c41ea20916
SHA256
fbdcce7c63af42dc2c9915fd707b5caa6e38d74d715e8d18778b1ce0d4319d39
MD5
ba7a756d22347fa5a6a322123f274dc6

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
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

T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
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

T1083 checks_recent_files: Attempt to check recently opened files through registry
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
create_rpc_bindings: Creates RPC connection
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