Managed XDR

vtdl_khtb37vn — malware analysis report

File info

Filename
vtdl_khtb37vn
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: TA CHI HUNG, Last Saved By: george, Name of Creating Application: Microsoft Excel, Last Printed: Sat Sep 30 01:27:01 2023, Create Time/Date: Wed Oct 29 15:49:50 2003, Last Saved Time/Date: Wed Jan 31 08:55:58 2024, Security: 0
File size
1.5 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ed8eba36a8f6f39d35956b869e378e82d159a90b
SHA256
4480088a2d98d8102b8499fef13f801e969324c3500c3566fa1f688c9bf81a40
MD5
59e84f5bc4c1c9696b4c38c66f88647b

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 2)
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

T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497 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
break_limit_exceeded: Warning: function calls limit has been exceeded
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