General

  • Target

    2024-10-03_bc58787697d3dfab922e9bbe376c7055_bkransomware

  • Size

    6.7MB

  • Sample

    241003-psg56s1erh

  • MD5

    bc58787697d3dfab922e9bbe376c7055

  • SHA1

    06c8a66f338c809e73d1e7453b39b65be3558aec

  • SHA256

    57dc9ae71f85b37c7968d4f3fea193ccb3d915d9afee8ec4fd165d3096f04561

  • SHA512

    3648e7bf20cb61ec35979c8a9bcd2255ea79f83b9b29a23396dba72fd144e17cee380acf730c3ebcb2648f9d2d50cda766034ab543079e995496cb1cc21616ba

  • SSDEEP

    196608:ebeOQSYdZtHckBGJ0soHJtOd4sGaVKJv2CSJG:EVYvVckBiQj5ak9S

Malware Config

Targets

    • Target

      2024-10-03_bc58787697d3dfab922e9bbe376c7055_bkransomware

    • Size

      6.7MB

    • MD5

      bc58787697d3dfab922e9bbe376c7055

    • SHA1

      06c8a66f338c809e73d1e7453b39b65be3558aec

    • SHA256

      57dc9ae71f85b37c7968d4f3fea193ccb3d915d9afee8ec4fd165d3096f04561

    • SHA512

      3648e7bf20cb61ec35979c8a9bcd2255ea79f83b9b29a23396dba72fd144e17cee380acf730c3ebcb2648f9d2d50cda766034ab543079e995496cb1cc21616ba

    • SSDEEP

      196608:ebeOQSYdZtHckBGJ0soHJtOd4sGaVKJv2CSJG:EVYvVckBiQj5ak9S

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Indirect Command Execution

      Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks