Managed XDR

fb544e1f74ce02937c3a36...d39e237020706f_new.exe (AvosLocker, Avos) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
fb544e1f74ce02937c3a3657be8d125d5953996115f65697b7d39e237020706f_new.exe
Тип файла
PE32 executable (console) Intel 80386, for MS Windows
Размер файла
402.5 KB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x64 en

Хеши

SHA1
59db182205e9179af3e7910e5993094ccdc5b25e
SHA256
914d7394160fc32155086f8d66689fded5258a335e211486763e009b9127b6db
MD5
10555b52f5aeed359204c507535a11bd

Вредоносное ПО

  • AvosLocker
  • Avos

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

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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers

Credential Access

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

Discovery

T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers

Collection

T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

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_files_2: Ransomware(s) AvosLocker indicators detected (creates keys and the instruction on how to unlock the files)
T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behaviour)

Other

ransomware_avos: Detected Avos ransomware
yara_rules: Static rules
create_rpc_bindings: Creates RPC connection
creates_in_programdata: Creates files in the ProgramData directory
avoslocker_mutex: Creates mutexes typical for AvosLocker
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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