Managed XDR

vtdl_yks5qyrn — malware analysis report

File info

Filename
vtdl_yks5qyrn
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: phuongdelta, Last Saved By: KHOAHOCTRE-TST, 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: Thu Feb 1 04:07:38 2024, Security: 0
File size
52.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a468b2fb3149c191dccf0d94722b273175e57092
SHA256
1f2f719cb046b0686db002b5ecb3509c19c1d705514c1e9163b25a0a334491f0
MD5
3384f825436382be76f8bddee0681b5f

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