Managed XDR

b-u00e1o-c-u00e1o-6-th...2024-5-m-u1eabu-4-.xls — malware analysis report

File info

Filename
b-u00e1o-c-u00e1o-6-th-u00e1ng-n-u0103m-2024-5-m-u1eabu-4-.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: DUC HUY, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Mon May 27 08:50:22 2024, Create Time/Date: Thu Sep 10 04:31:39 2015, Last Saved Time/Date: Mon May 27 09:29:39 2024, Security: 0
File size
114 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
331e5ce3333ead8d56dd0f3821c2c73894bdddb6
SHA256
1a48ee3016b6e6b34f6fa28c33912b85a3c11654c8e02bee57a15bfa256aca74
MD5
0b058cde7d9af6af6a9c435cc0528e9c

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
T1135 server_share_info: Retrieves information about each shared resource on a server
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
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