Managed XDR

vtdl_fr20lh2h (Lorenz) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
vtdl_fr20lh2h
Тип файла
PE32 executable (console) Intel 80386, for MS Windows
Размер файла
318 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
68b58c4fe8ef487818d3fe440d1acecfdcc28eb6
SHA256
2d9a38f29b12cc79630bda862e36b899af1d559ed0acb2e23d2fd1b8a5ec6fb7
MD5
28ad13f8ee78fe90d795b59811512fff

Вредоносное ПО

  • Lorenz

Сигнатуры

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

T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
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 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions

Command and Control

T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Impact

T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)
T1485 deletes_files: Removes 100 or more files from C: drive
T1486 ransomware_extensions: Ransomware(s) Lorenz indicators detected (specific extension is added to files)
T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behaviour)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)

Other

yara_rules: Static rules
ce_info: Lorenz Configuration Data found
lorenz: Detected Lorenz ransomware
dead_host: Connects to IP addresses that do not respond to requests
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
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
writes_data: Writes big amount of data to disk

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