Managed XDR

vtdl_1731837951_bbizde9a — malware analysis report

File info

Filename
vtdl_1731837951_bbizde9a
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Author: Gydar, Last Saved By: Gydar, Name of Creating Application: Microsoft Excel, Create Time/Date: Fri Jun 5 18:19:34 2015, Last Saved Time/Date: Thu Nov 10 07:45:21 2022, Security: 0
File size
91.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
4aa578ff90297e2a754d340bc48e021cdc896a49
SHA256
036cde54fd48f9b47f182385f5b22286816b35bf834a18d741822511f19eb2c4
MD5
91c614ba62c42acda0e0d252e7ba075c

Signatures

Execution

T1203 office_runs_dll: Suspicious document behaviour (tries to execute dll file in hidden window)
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros: The document contains macroses (total: 3)
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

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
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
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: 3)
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
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

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1568.002 dga_domains: Connects to DGA domains
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
office_summary: The document contains suspicious metadata
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