Managed XDR

vtdl_k_u_denv — malware analysis report

File info

Filename
vtdl_k_u_denv
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Admin, Last Saved By: Admin, Name of Creating Application: Microsoft Excel, Last Printed: Thu Jan 11 09:34:59 2024, Create Time/Date: Fri Dec 10 01:41:59 2021, Last Saved Time/Date: Mon Jan 22 04:40:55 2024, Security: 0
File size
45 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7bda76275939a181b02d303089cd100b1ccd1609
SHA256
ab64776ef4ed4c1d1f6a1c086f45f0c4ef11899291e68bd4225d8a406b26d797
MD5
ab6e858bdd901e91a91f5313bb53511f

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

T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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

Discovery

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
T1497 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
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