Managed XDR

ar1f43.xar — malware analysis report

File info

Filename
ar1f43.xar
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: AUDIT, Last Saved By: baohung, Name of Creating Application: Microsoft Excel, Last Printed: Fri Apr 26 05:14:11 2024, Create Time/Date: Mon Jun 4 08:23:41 2001, Last Saved Time/Date: Sat May 4 12:45:16 2024, Security: 0
File size
687 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e126f798fe47d209795c5e9f432dbaebc68cfd58
SHA256
d2fdcbbefd6c6edd2a06df100bb7ba5b836ab02b20a012a12b57c619dad4835f
MD5
4782b88ccb461fa168f84b34705f21bb

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: 9)
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 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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1064 office_macros: The document contains macroses (total: 9)
T1064 office_macros_autoexec: The document contains an auto-start macro

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

Other

yara_rules: Static rules
creates_doc: Creates (office) documents in the file system
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
checktokenmembership: Checks user token with CheckTokenMembership call