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General

  • Target

    f626c50e523bc736aa6ec7d8536a56d7cb1de18182dcae7cfffd2675bd387d8a

  • Size

    1.1MB

  • Sample

    230513-klez1sfh35

  • MD5

    dea452ac9d416f69682a053893a0e8ba

  • SHA1

    e95e6b3f874f554bae28963d418ed2eaef0eeb24

  • SHA256

    f626c50e523bc736aa6ec7d8536a56d7cb1de18182dcae7cfffd2675bd387d8a

  • SHA512

    2bc9cf3042de0a04fc3f96898b47df77f2d0aef5e87c23ffbaefa67b81caf24fc5596c98bbb178d6010dec0dfbd9bbaf0fd8f8e93e8122278521d471fa76623b

  • SSDEEP

    24576:Xy3wP/yWby+IkE1zKFkVT7Mz+rleua2rO6i87b0jWBQF1+:i3chMzlKFkVPgau2y6sv

Malware Config

Extracted

Family

redline

Botnet

masta

C2

185.161.248.75:4132

Attributes
  • auth_value

    57f23b6b74d0f680c5a0c8ac9f52bd75

Extracted

Family

redline

Botnet

joana

C2

185.161.248.75:4132

Attributes
  • auth_value

    85090ed112d639bb782481da2912487a

Targets

    • Target

      f626c50e523bc736aa6ec7d8536a56d7cb1de18182dcae7cfffd2675bd387d8a

    • Size

      1.1MB

    • MD5

      dea452ac9d416f69682a053893a0e8ba

    • SHA1

      e95e6b3f874f554bae28963d418ed2eaef0eeb24

    • SHA256

      f626c50e523bc736aa6ec7d8536a56d7cb1de18182dcae7cfffd2675bd387d8a

    • SHA512

      2bc9cf3042de0a04fc3f96898b47df77f2d0aef5e87c23ffbaefa67b81caf24fc5596c98bbb178d6010dec0dfbd9bbaf0fd8f8e93e8122278521d471fa76623b

    • SSDEEP

      24576:Xy3wP/yWby+IkE1zKFkVT7Mz+rleua2rO6i87b0jWBQF1+:i3chMzlKFkVPgau2y6sv

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks