Managed XDR

vtdl_tqyd96ah (REvil, Sodinokibi) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
vtdl_tqyd96ah
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
Размер файла
85.5 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
175504cc56b6bca94c78dd1b7b2702b3f708b626
SHA256
781330d729d7f9a25f7b31d7ac688db88702f3db33887d2da5df4676270d1c8c
MD5
adc07d5e422a4ca1f8f9acc0cf1d9a50

Вредоносное ПО

  • REvil
  • Sodinokibi

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

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_upx: The executable file is compressed using UPX
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1113 screenshot_file: Possibly, makes a screenshot and saves it to a file
T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

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_files: Ransomware indicators detected REvil (creates keys and the instruction on how to unlock the files)

Other

yara_rules: Static rules
ce_info: REvil note, REvil config Configuration Data found
revil: Ransomware REvil indicators detected
ransomware_shadowcopy: Removes volume shadow copies
ransomware_bcdedit: Runs bcdedit commands specific to ransomware
modifies_certs: Attempts to generate or modify system certificates
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
writes_data: Writes big amount of data to disk
suricata_alert: Malicious traffic detected

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