Overview

overview

10

Static

static

10

510a32139a...83.exe

windows7-x64

10

510a32139a...83.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    510a32139a79df7c7f5fb36bc540e5d1c8ad46e3baf9df5e3e1d4f7e38255b83

  • Size

    1.3MB

  • Sample

    241221-wh9k1avnds

  • MD5

    855fb25af1fc13afe4a0fa50d9fd2cab

  • SHA1

    49c2af43b4ae1720e2643799d37ab9210b1c7c1f

  • SHA256

    510a32139a79df7c7f5fb36bc540e5d1c8ad46e3baf9df5e3e1d4f7e38255b83

  • SHA512

    7d9867210c7a1a02acd0606365d7bca752b6bc81b4fc7a9be8d4dd3588c988f4cc3d74303292f700288f5b7ad9f60557d628c304c916222258db4d1d6d446dcb

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      510a32139a79df7c7f5fb36bc540e5d1c8ad46e3baf9df5e3e1d4f7e38255b83

    • Size

      1.3MB

    • MD5

      855fb25af1fc13afe4a0fa50d9fd2cab

    • SHA1

      49c2af43b4ae1720e2643799d37ab9210b1c7c1f

    • SHA256

      510a32139a79df7c7f5fb36bc540e5d1c8ad46e3baf9df5e3e1d4f7e38255b83

    • SHA512

      7d9867210c7a1a02acd0606365d7bca752b6bc81b4fc7a9be8d4dd3588c988f4cc3d74303292f700288f5b7ad9f60557d628c304c916222258db4d1d6d446dcb

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks