Managed XDR

vtdl_1780644369_jvds4oee (Diavol Ransomware, Babuk, Gh0st, QNAPcrypt, Diavol) — malware analysis report

File info

Filename
vtdl_1780644369_jvds4oee
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
3.4 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
7db8d104fd0decc1fa3af6432e25b9245a0df2c2
SHA256
7c0bb8889cddc6dd81e94c5c9c343e2e8f9982d54d371b5375b5b5337fbff41c
MD5
584d863f42bd816d75a0df793aced404

Malwares

  • Diavol Ransomware
  • Babuk
  • Gh0st
  • QNAPcrypt
  • Diavol

Signatures

Execution

T1059.003 cmd_ping_del: Uses cmd.exe for pausing and deletion of the original file
T1569.002 persistence_service: Starts newly created service
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1543.003 add_service_to_group: Adds created service to a group
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1543.003 add_service_to_group: Adds created service to a group
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
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

T1070.004 cmd_ping_del: Uses cmd.exe for pausing and deletion of the original file
T1036 copies_utilities: Copies and runs system utility with different name
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
T1574.011 persistence_services: Modifies Services registry key
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
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
T1070 stealth_window: A process created a hidden window
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

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

T1033 recon_beacon: The process has sent information about the computer over the network
T1057 has_wmi: Executes one or several WMI requests
T1057 process_interest: Enumerates processes
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Command and Control

T1071.001 recon_beacon: The process has sent information about the computer over the network
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

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_files_2: Ransomware(s) QNAPCrypt indicators detected (creates keys and the instruction on how to unlock the files)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
ce_info: Diavol Configuration Data found
diavol: Detected Diavol ransomware
executes_dropped_exe: Executes dropped exe files
ransomware_shadowcopy: Removes volume shadow copies
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
driver_load: Loads a driver
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
network_bind: Starts servers listening at None
non_quadratic_icon: Icon is not square
dns_without_resolve: DNS query without a response
unsigned_driver_drop: Sample is not signed and drops a device driver
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
creates_suspended_process: Creates suspended process
creates_in_programdata: Creates files in the ProgramData directory
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
pe_overlay: PE file contains overlay

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