Overview

overview

10

Static

static

3

3d8d001765...6c.exe

windows7-x64

10

3d8d001765...6c.exe

windows10-2004-x64

10

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General

  • Target

    3d8d0017657e423983aa082f3bea85494c8c75a8464f02e179a670d9f9a7e36c.exe

  • Size

    1.5MB

  • Sample

    250110-2cm3ps1jfs

  • MD5

    7a4f0846743a7071ffdd25abc446b107

  • SHA1

    996c98355bdb997ad8d5d02283ca06438c959cd1

  • SHA256

    3d8d0017657e423983aa082f3bea85494c8c75a8464f02e179a670d9f9a7e36c

  • SHA512

    fcb17641446ebd06321192777fca64d7c0b5a9c143eeb46884228d6d6996da928e02043b0b0d335b99c998695cb2f4d7b21d212784ca09e785f6ca12f342ed8e

  • SSDEEP

    24576:dbfESdvMj6hoGDAQsJ+N6XcHQWq3QY2SrXQLdok0OjYS4mej+T1kJCve:ZEi6GDAQORcwW5/oBjme81s

Score
10/10
dcratexecutioninfostealerpersistencerat

Malware Config

Targets

    • Target

      3d8d0017657e423983aa082f3bea85494c8c75a8464f02e179a670d9f9a7e36c.exe

    • Size

      1.5MB

    • MD5

      7a4f0846743a7071ffdd25abc446b107

    • SHA1

      996c98355bdb997ad8d5d02283ca06438c959cd1

    • SHA256

      3d8d0017657e423983aa082f3bea85494c8c75a8464f02e179a670d9f9a7e36c

    • SHA512

      fcb17641446ebd06321192777fca64d7c0b5a9c143eeb46884228d6d6996da928e02043b0b0d335b99c998695cb2f4d7b21d212784ca09e785f6ca12f342ed8e

    • SSDEEP

      24576:dbfESdvMj6hoGDAQsJ+N6XcHQWq3QY2SrXQLdok0OjYS4mej+T1kJCve:ZEi6GDAQORcwW5/oBjme81s

    Score
    10/10
    dcratexecutioninfostealerpersistencerat

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks