Managed XDR

vtdl__xkwpnmj (AvosLocker, Avos) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
vtdl__xkwpnmj
Тип файла
PE32 executable (console) Intel 80386, for MS Windows, UPX compressed
Размер файла
286 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
aaa06677608dbc6cb0971d94222d6ff172bc80c3
SHA256
546a84098c6eab08dba80c965227047ee02211c77c151ab6551392c47216df3f
MD5
540f49736aaa10bc2983706e04ba9e50

Вредоносное ПО

  • AvosLocker
  • Avos

Сигнатуры

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process

Privilege Escalation

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 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 packer_upx: The executable file is compressed using UPX
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets

Discovery

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

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_extensions: Ransomware(s) AvosLocker indicators detected (specific extension is added to files)
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

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

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