Managed XDR

cryptor.exe (Conti) — malware analysis report

File info

Filename
cryptor.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
188.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
72f58c05e2fcab60f6a3d75ef950293f1c6bf5c3
SHA256
de0934236c45531610060a491244dc025bebf9439d4cb1c9c39d3bc074436af8
MD5
37f9aeda4f37fec4d01658437fe15796

Malwares

  • Conti

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests
T1047 antivm_wmi: Uses WMI to detect virtual environment

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_wmi: Uses WMI to detect virtual environment
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
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

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

Discovery

T1082 has_wmi: Executes one or several WMI requests
T1057 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 process_interest: Enumerates processes
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
T1016 get_hostname: Attempts to get hostname

Command and Control

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

Impact

T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies

Other

yara_rules: Static rules
ransomware_shadowcopy: Removes volume shadow copies
network_bind: Starts servers listening at None
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

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