Managed XDR

vtdl_tkydvd7s — malware analysis report

File info

Filename
vtdl_tkydvd7s
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Thanh An, Last Saved By: george, Name of Creating Application: Microsoft Excel, Last Printed: Mon Mar 11 05:47:27 2024, Create Time/Date: Wed Nov 9 02:16:33 2016, Last Saved Time/Date: Mon Mar 11 09:43:19 2024, Security: 0
File size
103 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3aa02da6f58b01e1f02b3d130df8afc0f87b66a5
SHA256
6e890238e632fdf26ac6012739a163e96f33a47b0c24b6632d89a3ccffc5683e
MD5
f36def55d9dfd869e504c1a8a878e93f

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

T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

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
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