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General

  • Target

    vHn7GXr.exe

  • Size

    1.9MB

  • Sample

    250311-newkza1k18

  • MD5

    9b0037a66870424a0320cd15040b8912

  • SHA1

    c5337162912badb109c60adc4b5b62e99a0cc8cc

  • SHA256

    3034ddca83fdf82895e4f4597cec07b753de96789924d2c6105e11f702ec678b

  • SHA512

    cddaf182eeadd290e036fa38145a6e8edc888a70dd84d0806160cb033544b60b8cf36e19d743028f066407c121d4e8a6a799cc07c7e8d01fe7771c03955345e8

  • SSDEEP

    49152:H3bjXWJKgOVUvpb+OczO3ovZPIpxY5j4zrysj:rjmJKgOkpCu3coG4

Malware Config

Targets

    • Target

      vHn7GXr.exe

    • Size

      1.9MB

    • MD5

      9b0037a66870424a0320cd15040b8912

    • SHA1

      c5337162912badb109c60adc4b5b62e99a0cc8cc

    • SHA256

      3034ddca83fdf82895e4f4597cec07b753de96789924d2c6105e11f702ec678b

    • SHA512

      cddaf182eeadd290e036fa38145a6e8edc888a70dd84d0806160cb033544b60b8cf36e19d743028f066407c121d4e8a6a799cc07c7e8d01fe7771c03955345e8

    • SSDEEP

      49152:H3bjXWJKgOVUvpb+OczO3ovZPIpxY5j4zrysj:rjmJKgOkpCu3coG4

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks