Managed XDR

vtdl_rybuvn91 — malware analysis report

File info

Filename
vtdl_rybuvn91
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1200, Title: 00, Author: S, Template: Normal, Last Saved By: lime, Revision Number: 31, Total Editing Time: Fri Feb 23 16:00:00 1900, Last Printed: Mon Sep 6 07:03:00 2021, Create Time/Date: Sun Sep 18 07:26:00 2022, Last Saved Time/Date: Thu Jan 18 08:36:57 2024, Number of Pages: 3, Number of Words: 159, Number of Characters: 912, Name of Creating Application: WPS Office_11.8.2.11681_F1E327B, Security: 0, Locale ID: 2052
File size
43.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9746ea79d0bcee34f016c095630c3443733a80d1
SHA256
b7a5c4e47f433f47f49d1370042ff53001eb85fc7587925edc87ad53ffc03d3e
MD5
57c00fb804df1f7e4f956bdfbc395550

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macro
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

T1497.001 antivm_queries_computername: Retrieves the computer name
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 macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server

Other

yara_rules: Static rules
create_rpc_bindings: Creates RPC connection
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