Managed XDR

vtdl_1789917117_x4c9aql2 (STOP Ransomware) — malware analysis report

File info

Filename
vtdl_1789917117_x4c9aql2
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
807 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
994b92fcfadd246a0d73bb110df62c9d063e40a5
SHA256
ceb68d513bce017b7ecc904ae163d2bedb41326ac91cf7868cf80ae1bebeee11
MD5
338c40526ff6e55290d98c9f96a0b81d

Malwares

  • STOP Ransomware

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
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
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

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

Command and Control

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

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
copies_self: Creates a copy of itself
ip_domains: Identifies an IP address using external resources
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
open_winlogon_process: Trying to open winlogon process

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