Managed XDR

lb3.msi (BlackMatter, Lockbit) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
lb3.msi
Тип файла
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, MSI Installer, Code page: 1252, Title: Store Installer - UNREGISTERED - Wrapped using MSI Wrapper from www.exemsi.com 22509.924.1.0, Subject: Store Installer - UNREGISTERED - Wrapped using MSI Wrapper from www.exemsi.com, Author: Microsoft Corporation, Keywords: Installer, Template: x64;1033, Revision Number: {38BB637B-B6FE-4F5F-9A76-AFE3B8A4D2C3}, Create Time/Date: Sat Jul 19 12:54:04 2025, Last Saved Time/Date: Sat Jul 19 12:54:04 2025, Number of Pages: 200, Number of Words: 12, Name of Creating Application: MSI Wrapper (25.0.54.0), Security: 2
Размер файла
544 KB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x64 en

Хеши

SHA1
88b7bd9874fb7601c0f3f3ddeff474dacc83a933
SHA256
dc0a18b6f8f57668fb18353dac14164800e934c678c16399e16854cdc914244b
MD5
125a79e33f98dd30b06cf2601b91104c

Вредоносное ПО

  • BlackMatter
  • Lockbit

Сигнатуры

Execution

T1047 has_wmi: Executes one or several WMI requests
T1059.003 suspicious_process: Spawns a suspicious process

Persistence

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1055.012 injection_runpe: Injects code into another process
T1562.001 disables_security: Disables Windows Security options
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1564.001 stealth_file: Creates hidden or system files
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
T1574.011 persistence_services: Modifies Services registry key
T1140 unpacking_utilities: Uses Windows utilities to unpack data
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1486 ransomware_windows_possible: Ransomware indicators detected (possible ransom window creation)
T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1489 stops_service: Stops Windows services
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)
T1486 ransomware_files: Ransomware indicators detected BlackMatter (creates keys and the instruction on how to unlock the files)
T1565.001 overwrites_firefox_settings: Modifies Mozilla Firefox settings
T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
ce_info: Lockbit Configuration Data found
lockbit: Detected ransomware Lockbit
accesses_mailslot: Performs a Mailslot ping, possibly used to get Domain Controller information
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
opens_document: Opens office documents
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
msi_has_custom_action: MSI file contains custom action
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

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