Managed XDR

vtdl_zc4h7tso — malware analysis report

File info

Filename
vtdl_zc4h7tso
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: -535, Author: LENOV, Last Saved By: Thu V Th Nguyt, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Jan 17 03:49:36 2024, Last Saved Time/Date: Wed Jan 17 03:59:01 2024, Security: 0
File size
56 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e5ee3f2710cec98a93291742ff879fef685782af
SHA256
77a40036806763b43da72f2845ffb9e4678d86819e2cc5a90783c0a091659f82
MD5
3a23aec8856813b3f7b80d31f085bedf

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
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