Managed XDR

vtdl_74tjy9ii (Sodinokibi, REvil) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
vtdl_74tjy9ii
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows
Размер файла
118.5 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
a19d79621b327e1a6b6010b73e5f96cbea895d43
SHA256
c7f7ed131d7b0759910ec04e5f25f0fa4f23b89f768fca1ffbffcfa130813a93
MD5
57bb226213f038b7fd016ab0463632df

Вредоносное ПО

  • Sodinokibi
  • REvil

Сигнатуры

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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_entropy: Probably contains compressed or encrypted data
T1574.011 persistence_services: Modifies Services registry key
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_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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 has_wmi: Executes one or several WMI requests
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
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

Command and Control

T1568.002 dga_domains: Connects to DGA domains
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Impact

T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)
T1489 stops_service: Stops Windows services
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)
T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
ce_info: REvil note, REvil config Configuration Data found
revil: Ransomware REvil indicators detected
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
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
suricata_alert: Malicious traffic detected

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