Managed XDR

vtdl_si5x717n — malware analysis report

File info

Filename
vtdl_si5x717n
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Admin, Last Saved By: george, Name of Creating Application: Microsoft Excel, Last Printed: Mon Sep 4 14:44:11 2023, Create Time/Date: Mon Jan 12 14:07:48 2015, Last Saved Time/Date: Mon Mar 18 06:56:36 2024, Security: 0
File size
234.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
520d2c5dfa97edb0279b7f57f2f3de132a3043e8
SHA256
903e3eb1a11f1d0c1fa2c5bf62c0d77f13bad212dd2706b470ea5ba1950e0d4b
MD5
8f5e2d1081703457a1b7c7850fc23b1c

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1497 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
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
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