Managed XDR

jeremy_2024-03_a3_au.xls — malware analysis report

File info

Filename
jeremy_2024-03_a3_au.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 936, Author: Cao Grace, Last Saved By: Li Andy-Yu, Name of Creating Application: Microsoft Excel, Last Printed: Fri Feb 23 03:16:07 2024, Create Time/Date: Tue Apr 25 02:07:37 2023, Last Saved Time/Date: Tue Apr 2 07:30:29 2024, Security: 0
File size
80 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f33ec861832eab06763f38a582006ce11f0a1ba6
SHA256
cd96f891cc2081c63146d15d2fc9c2f2fabd65129dd7f040d89f6b85e3034303
MD5
345d20ebeaf9a412143b223d8156cbcb

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
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
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