Managed XDR

vtdl_bf0n4b8l (Ragnar Locker, RagnarLocker) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
vtdl_bf0n4b8l
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows
Размер файла
47.5 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
ac50372bcb3162c7bd4cde54461dde9a78f94927
SHA256
5e893970e7a424d29bc37de888405a41102a7ab303cb12a55569b5c039763e88
MD5
dbec239b23fac8edd7baa72cf59430a6

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
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1057 process_interest: Enumerates processes
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 ransomware_files: Ransomware indicators detected Ragnar Locker (creates keys and the instruction on how to unlock the files)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies

Other

yara_rules: Static rules
ransomware_ragnarlocker: Detected RagnarLocker ransomware
ransomware_shadowcopy: Removes volume shadow copies
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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