Managed XDR

acumen-vn-cipl-20240830-new-.xls — malware analysis report

File info

Filename
acumen-vn-cipl-20240830-new-.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 950, Author: Huong, Last Saved By: hungduvn@gmail.com, Name of Creating Application: Microsoft Excel, Last Printed: Fri Sep 22 03:38:20 2023, Create Time/Date: Tue Mar 2 21:04:40 2004, Last Saved Time/Date: Fri Aug 30 06:52:35 2024, Security: 0
File size
485 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
59a4b28af6a82f1aa337a773d1bc77836e3a7b6b
SHA256
97b7a72ed30d548886538e0c531a5c9d139a00265b2a20923a06b684e16d8588
MD5
2f1958c03fb997c6d12c71c449c84b64

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: 91)
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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 91)
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
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

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

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
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
checktokenmembership: Checks user token with CheckTokenMembership call