Overview

overview

10

Static

static

10

13c4945bea...61.exe

windows7-x64

10

13c4945bea...61.exe

windows10-2004-x64

10

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General

  • Target

    13c4945bea13acfe1301ef83ed8238420e02dd621f287a0d3759c8a7a3005861

  • Size

    1.3MB

  • Sample

    241221-v9jm8avmfp

  • MD5

    34bde2a21525eacebe21f8c939a6e5b8

  • SHA1

    9752d0f780769d1741cb009395437a9c4e5391e7

  • SHA256

    13c4945bea13acfe1301ef83ed8238420e02dd621f287a0d3759c8a7a3005861

  • SHA512

    0996ebd5add18f43638ac2f414acb7a8b79f2e1531c616158051191a7a8587242109b3e196b6de90c1caa0e7f5eb8273e5e1ae94c2982482314c2a3526f8ea9f

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      13c4945bea13acfe1301ef83ed8238420e02dd621f287a0d3759c8a7a3005861

    • Size

      1.3MB

    • MD5

      34bde2a21525eacebe21f8c939a6e5b8

    • SHA1

      9752d0f780769d1741cb009395437a9c4e5391e7

    • SHA256

      13c4945bea13acfe1301ef83ed8238420e02dd621f287a0d3759c8a7a3005861

    • SHA512

      0996ebd5add18f43638ac2f414acb7a8b79f2e1531c616158051191a7a8587242109b3e196b6de90c1caa0e7f5eb8273e5e1ae94c2982482314c2a3526f8ea9f

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    Score
    10/10
    dcratdiscoveryexecutioninfostealerrat

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Process spawned unexpected child process

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

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • 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

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks