Managed XDR

attachment.xls (Mimikatz) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
attachment.xls
Тип файла
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.3, Code page: 1252, Author: Ubuntu 14.04, Last Saved By: Ubuntu 14.04, Name of Creating Application: Microsoft Excel, Create Time/Date: Tue Oct 31 13:46:39 2017, Last Saved Time/Date: Wed Nov 1 12:52:07 2017, Security: 0
Размер файла
2.5 MB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
aebffbb12316217e7491f0b34999ec86318a96c7
SHA256
cf7b357f3382789142b30432a44f584194d9f2325be868844b5bf63ce887aa51
MD5
fe5c842aff1926ca3e510018daaf164b

Вредоносное ПО

  • Mimikatz

Сигнатуры

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1559 suspicious_process: Spawns a suspicious process
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 6)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
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
T1070 stealth_window: A process created a hidden window
T1064 office_macros: The document contains macroses (total: 6)
T1064 office_macros_strings: Feature lines found in document macro
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

T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
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
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card

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