Managed XDR

vtdl_0yp6yvui — malware analysis report

File info

Filename
vtdl_0yp6yvui
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.3, Code page: 1252, Author: Administrator, Last Saved By: PC, Last Printed: Fri Aug 2 13:21:10 2024, Create Time/Date: Sat Aug 3 03:40:32 2024, Last Saved Time/Date: Sat Aug 3 03:40:32 2024, Security: 0
File size
454.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8851dff73db9228e660e08886e42f3ce751c6ff5
SHA256
f5d7cda68d507b14ba8e6d57a1363617f3a366246aa21497566d4cf9c471d980
MD5
ac18c804e7dbf1f4323c20cfb3863130

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

Credential Access

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

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
T1135 server_share_info: Retrieves information about each shared resource on a server
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
creates_exe: Creates executable files 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
checktokenmembership: Checks user token with CheckTokenMembership call