Managed XDR

bao-cao-theo-cv480-thang3.xls — malware analysis report

File info

Filename
bao-cao-theo-cv480-thang3.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: Admin, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Mar 6 14:14:03 2024, Last Saved Time/Date: Sun Apr 7 10:16:31 2024, Security: 0
File size
132 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
4b579b0a246fb18b065de08d708fee4e67432872
SHA256
2ceedde598b67fd3603187e7b7859b83ac699798c8ae2cd10a3cc25461b62d8e
MD5
878a09f45e3957d3f0d5aff389267d57

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 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
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 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
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
creates_doc: Creates (office) documents in the file system
office_summary: The document contains suspicious metadata
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