Managed XDR

vtdl_yhu5i0n4 — malware analysis report

File info

Filename
vtdl_yhu5i0n4
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: phuongdelta, Last Saved By: george, Name of Creating Application: Microsoft Excel, Last Printed: Sun Dec 31 09:47:17 2023, Create Time/Date: Tue Sep 15 07:04:13 2020, Last Saved Time/Date: Sat Mar 16 10:23:13 2024, Security: 0
File size
63 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d9a3aae9166f0a4f4e94d252c45a5f515e542738
SHA256
074857d7507a3cc8165aa6b4086909ace8cb2f340cd50b8bb49dfc212218e5af
MD5
a1b9d7677792c49e1c82eb87a4318d57

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

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
create_rpc_bindings: Creates RPC connection
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