Managed XDR

8d864c11c820e6d85a14c4...a141b2425f82263f_kreuk (Lockbit) — malware analysis report

File info

Filename
8d864c11c820e6d85a14c4041798e4c0c6c03ca3d21a3d68a141b2425f82263f_kreuk
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
160.8 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
024146e786189ca4b00079ce41912d184e2f9ed1
SHA256
3c14ae7ab4d97641afc0765867f4701b7eeda584f71f4bcc0834e8bf98f25637
MD5
dcc6ade0738b371d4d1bda53ffa298db

Malwares

  • Lockbit

Signatures

Execution

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

Privilege Escalation

T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 packer_entropy: Probably contains compressed or encrypted data
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_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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
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

Command and Control

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

Other

yara_rules: Static rules
network_bind: Starts servers listening at None
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
pe_overlay: PE file contains overlay

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