General

  • Size

    307KB

  • Sample

    200719-4twkr22ebs

  • MD5

    3d3ef329a4d920735fbc6c56d2a15691

  • SHA1

    74c7c9c8470ea55c04ee3c7fe168793ee32d4686

  • SHA256

    1ec347934db2ded3a012479882732bfb3cdc85b0d4b2911e3402c1fa693a2235

  • SHA512

    0e2d88ef2f8f8d1a65f63473e89c345cb73630efa5c717e7a8f721ae8703077d651ee66ee4756c4a4d6e6e1a007c6246b007c20689be195763353bcb7654c9ed

Malware Config

Targets

    • Target

      citadel_3.1.0.0.vir

    • Size

      307KB

    • MD5

      3d3ef329a4d920735fbc6c56d2a15691

    • SHA1

      74c7c9c8470ea55c04ee3c7fe168793ee32d4686

    • SHA256

      1ec347934db2ded3a012479882732bfb3cdc85b0d4b2911e3402c1fa693a2235

    • SHA512

      0e2d88ef2f8f8d1a65f63473e89c345cb73630efa5c717e7a8f721ae8703077d651ee66ee4756c4a4d6e6e1a007c6246b007c20689be195763353bcb7654c9ed

    • Executes dropped EXE

    • Deletes itself

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Discovery

    Execution

      Exfiltration

        Impact

          Initial Access

            Lateral Movement

              Privilege Escalation