Managed XDR

vtdl_yhtwdnss — malware analysis report

File info

Filename
vtdl_yhtwdnss
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: ADMIN, Last Saved By: ADMIN, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Jan 3 00:31:57 2024, Last Saved Time/Date: Wed Jan 3 06:15:40 2024, Security: 0
File size
45.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
582e3ab218ba9c1ff9b7e8ee3f4b33b056fa20b6
SHA256
95886c119cd90119ce1453b83dca0c84b0ec44d23ee793bde1343091e88c21ab
MD5
9a01924832c0a429bb810e8a21df05f5

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
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
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