Managed XDR

book1 — malware analysis report

File info

Filename
book1
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 936, Author: Cactus L Xie (CN - ASR), Last Saved By: Cactus L Xie (CN - ASR), Name of Creating Application: Microsoft Excel, Create Time/Date: Sat Apr 19 09:58:20 2025, Last Saved Time/Date: Sat Apr 19 09:58:22 2025, Security: 0
File size
42.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
b2a7634ff16e767ac1a49111c495c887f7d915f8
SHA256
9c9c53caf24675b4dcfd1e17d5617d9a0389eb096e8a86d4843cae609a900f74
MD5
d1bd9706410edb20ac7af0bf9cc0542b

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: 4)

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)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

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
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