Managed XDR

vtdl_y7p1c3az — malware analysis report

File info

Filename
vtdl_y7p1c3az
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: CMS, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Wed Jun 7 10:29:22 2023, Create Time/Date: Mon Oct 27 01:28:31 2003, Last Saved Time/Date: Mon Jan 29 03:09:18 2024, Security: 0
File size
1.7 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
4f92515a12daa85e764e5f02e44284f9ce71d7a0
SHA256
cf4d5f0c59fc03ed4760c7ad747c59f89a94be8259c5627e45049208027c90a6
MD5
a754f0428e11a2850ada9735769d535a

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 2)
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: 2)
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
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