Managed XDR

nnhellas.doc (Cobalt Strike) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
nnhellas.doc
Тип файла
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: kkrumel@gmail.com, Template: Normal.dotm, Last Saved By: kkrumel@gmail.com, Revision Number: 5, Name of Creating Application: Microsoft Office Word, Total Editing Time: 01:00, Create Time/Date: Tue Apr 9 19:17:00 2024, Last Saved Time/Date: Tue Apr 9 19:18:00 2024, Number of Pages: 1, Number of Words: 0, Number of Characters: 0, Security: 0
Размер файла
14.3 MB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
d62690852e4f73f23b95bf7e883836bb82551537
SHA256
006a8436f4fc2479746591274ff57e568da55af6ad245a95f7307aca84a090cc
MD5
c2552a06b3a614c34608c5da58491ac9

Вредоносное ПО

  • Cobalt Strike

Сигнатуры

Execution

T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1203 office_start_thread: Allocates memory and starts a thread inside an office application
T1064 office_macros: The document contains macroses (total: 5)
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_hex_strings: Lines in hex found in document macro
T1562.001 office_security: Attempts to modify Microsoft Office security settings
T1064 office_macros: The document contains macroses (total: 5)
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

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1032 internet_security_options: Sets Internet connections options that are not secure
T1071 internet_security_options: Sets Internet connections options that are not secure
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
ce_info: CobaltStrike Configuration Data found
cobaltstrike_beacon: Memory region specific for CobaltStrike beacon was found
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
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

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