Managed XDR

virusshare_bcfcf7492bf...7fe89128eba138479.docx (Cobalt Strike) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
virusshare_bcfcf7492bfeb307fe89128eba138479.docx
Тип файла
Microsoft Word 2007+
Размер файла
2.3 MB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x64 en

Хеши

SHA1
da12e3e1681773109e3c990fa142a7bfe4fafc89
SHA256
108a03811e8df8bbc51fcbd01eb768756c7e0b4f5f00a73b1686a48726d6e09a
MD5
b74563007ba796933d2442ffea277794

Вредоносное ПО

  • Cobalt Strike

Сигнатуры

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1204.002 office_strings: Office file contains suspicious strings
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Privilege Escalation

T1055 injection_failed: The attempt to inject into a process has failed
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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1055 injection_failed: The attempt to inject into a process has failed
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1102.003 references_github: Contains links to cloud services of Github (potentially for malicious payload delivery)

Other

yara_rules: Static rules
cobaltstrike_loader: CobaltStrike loader is detected
office_embedded: Office document contains embedded executable file(s)
network_bind: Starts servers listening at None
executes_dropped_exe: Executes dropped exe files
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
office_links: Office file contains external links

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