Managed XDR

c-windows-b8f5r3b.exe (Ragnar Locker, RagnarLocker) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
c-windows-b8f5r3b.exe
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows
Размер файла
123.3 KB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x86 en

Хеши

SHA1
b1dc11ca5a169198ee2bfb4ef9f2aeae0334feff
SHA256
d9b50791c3f76454bc1c3bd2cac9ab2ba93a47304e834fd5ee12e4861096ee7f
MD5
9f9d4310d6b80e98792230c3baf405bb

Вредоносное ПО

  • Ragnar Locker
  • RagnarLocker

Сигнатуры

Execution

T1047 has_wmi: Executes one or several WMI requests

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

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1082 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
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

Impact

T1486 ransomware_files_2: Ransomware(s) RagnarLocker indicators detected (creates keys and the instruction on how to unlock the files)
T1486 ransomware_files: Ransomware indicators detected Ragnar Locker (creates keys and the instruction on how to unlock the files)
T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)
T1486 ransomware_extensions: Ransomware(s) RagnarLocker indicators detected (specific extension is added to files)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1489 service_control_stop: Stops services via ControlService

Other

ransomware_ragnarlocker: Detected RagnarLocker ransomware
ransomware_shadowcopy: Removes volume shadow copies
accesses_mailslot: Performs a Mailslot ping, possibly used to get Domain Controller information
unexpected_exception: Unexpected exception
creates_suspended_process: Creates suspended process
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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Managed XDR