Managed XDR

giao-an-2024-2025-tkb-...ong-24-25-chuan-1-.xls — malware analysis report

File info

Filename
giao-an-2024-2025-tkb-truong-24-25-chuan-1-.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: -535, Author: Admin, Last Saved By: Lng Th Hng Ngc, Name of Creating Application: Microsoft Excel, Last Printed: Fri Aug 16 02:17:09 2024, Create Time/Date: Fri Sep 22 02:23:46 2023, Last Saved Time/Date: Mon Aug 26 09:35:40 2024, Security: 0
File size
51 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
fd28a72cbe290d1a3a6e00dfff5c7e622ab9304e
SHA256
78704db759b9c2a31af7f3bd29eee6259e4ee799d0af00dbd6f2c6fc4dd51edb
MD5
7a529afa33e401d9fbf18bb8f5bff554

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

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

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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
T1135 server_share_info: Retrieves information about each shared resource on a server
T1083 checks_recent_files: Attempt to check recently opened files through registry

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
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card