Managed XDR

vtdl_y02ovz00 (Lorenz) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
vtdl_y02ovz00
Тип файла
PE32 executable (console) Intel 80386, for MS Windows
Размер файла
340.6 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
8e866024de5a9c5bc205130523291b9608d72aea
SHA256
eb674ab3adb88ae19047b8d2746d90648f99d9adcc854a763056ef5847f9e797
MD5
00944fc7be845cd52d3eedced42574e1

Вредоносное ПО

  • Lorenz

Сигнатуры

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
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
T1082 reads_csrss: Attempts to read csrss.exe memory

Impact

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)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies

Other

yara_rules: Static rules
ce_info: Lorenz Configuration Data found
lorenz: Detected Lorenz ransomware
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
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
break_limit_exceeded: Warning: function calls limit has been exceeded
writes_data: Writes big amount of data to disk

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