Managed XDR

vtdl_tzbxrsrl — malware analysis report

File info

Filename
vtdl_tzbxrsrl
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Admin, Last Saved By: VNN.R9, Name of Creating Application: Microsoft Excel, Last Printed: Wed Dec 27 07:35:59 2023, Create Time/Date: Mon Sep 5 08:41:58 2022, Last Saved Time/Date: Wed Feb 21 06:39:50 2024, Security: 0
File size
41 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
639e4b90fdd0449cbacc77954932775b9a54b0a2
SHA256
61e47a7cc8966ab15e0a6a6b238138944a9c2841e54be39803ce8f41304775c3
MD5
37de283a1ed48d738c58265cdf4a6f78

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
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
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
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 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
checktokenmembership: Checks user token with CheckTokenMembership call