Managed XDR

c-windows-jkgu1.exe (Conti, Buran, Lockbit) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
c-windows-jkgu1.exe
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows
Размер файла
301.5 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
89b098d221febf3a933b6c751515e31f22f23a6a
SHA256
0158fb4db94ee58163dd8c243f3f59ad521851030b7dda6919be9382d60c9789
MD5
9aa200fb784168a4ff13ca97338bc59a

Вредоносное ПО

  • Conti
  • Buran
  • Lockbit

Сигнатуры

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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 pe_features: Executable file has PE anomalies (may be false positive)
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_prefetch: Attempts to detect Sandbox by process run count
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
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)
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_prefetch: Attempts to detect Sandbox by process run count
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

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)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 ransomware_extensions: Ransomware(s) Buran, Lockbit indicators detected (specific extension is added to files)
T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behaviour)

Other

yara_rules: Static rules
lockbit: Detected ransomware Lockbit
ransomware_shadowcopy: Removes volume shadow copies
creates_in_windows: Creates files in the Windows directory
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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