Managed XDR

vtdl_w76e65ei — malware analysis report

File info

Filename
vtdl_w76e65ei
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: Giang, Last Saved By: WIN7X64, Name of Creating Application: Microsoft Excel, Last Printed: Wed Jan 24 01:35:33 2024, Create Time/Date: Tue Mar 28 02:36:31 2000, Last Saved Time/Date: Wed Jan 24 01:41:22 2024, Security: 0
File size
114 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
66a8fcf34d30ad51cef263532c95c05a88527d74
SHA256
8a62aa1edbe25fa51282cd6a65bd41c03a9fe5613da4e2ba6b5ae5652f8608b5
MD5
ed2441ffb2e68c9b8bd119481e6e3906

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

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
T1135 server_share_info: Retrieves information about each shared resource on a server
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

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