Managed XDR

caubechoida.xls — malware analysis report

File info

Filename
caubechoida.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 5.1, Code page: 1200, Author: IDA , Last Saved By: IDA , Name of Creating Application: Microsof, Create Time/Date: Mon May 6 10:31:29 2024, Last Saved Time/Date: Tue May 7 03:58:37 2024, Security: 0
File size
11.6 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f4e6719ba8fd907eb3842f3281269ed4c4ba14c0
SHA256
65235e051f18530c01001780e8b403d997cb07f8c7d4ef14df492ae740b4bf1e
MD5
accafa72a35e360ea7b3c3bff8bc6a4c

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059.001 suspicious_process: Spawns a suspicious process
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 5)
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

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1070 stealth_window: A process created a hidden window

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
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

Other

code_share_services: Connects to text storage services (potentially for malicious payload delivery)
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
yara_rules: Static rules