Managed XDR

vtdl_vbyig0gi — malware analysis report

File info

Filename
vtdl_vbyig0gi
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: TANDV, Last Saved By: ASUS, Name of Creating Application: Microsoft Macintosh Excel, Create Time/Date: Thu Feb 4 12:13:39 2016, Last Saved Time/Date: Fri Dec 15 01:31:34 2023, Security: 0
File size
780 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
077e6c82ce356834bb5a01931fe71222cef0c84f
SHA256
c081b5c99b415c82360ef1815570acbb7d326b5c7e2f25165f2e3502c164ba0b
MD5
8c1a98ae355b182403d62efb74fc89d3

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

T1096 persistence_ads: Creates Alternate Data Stream (ADS)
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

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

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
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call