Overview

overview

10

Static

static

10

a9e2ecbc46...db.exe

windows7-x64

10

a9e2ecbc46...db.exe

windows10-2004-x64

10

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General

  • Target

    a9e2ecbc46b9191e0dd97fc5289ff737f45b5e5cb84218f4bab3a6b03ccb1bdb

  • Size

    1.3MB

  • Sample

    241221-tngq3asmhy

  • MD5

    296df93c1575604177a1ccebbf2e50fd

  • SHA1

    ca84c7f503d574a9a4be8b8855b70cb664a88841

  • SHA256

    a9e2ecbc46b9191e0dd97fc5289ff737f45b5e5cb84218f4bab3a6b03ccb1bdb

  • SHA512

    777e8748fe382bc6412c8c4b49c8fd6592fe6d14328a716fd0e5b5eace615bfb1972edc0f90fbcfd2cc4a411de72c3db995a6b8160d6ffe0803404326bd9e567

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      a9e2ecbc46b9191e0dd97fc5289ff737f45b5e5cb84218f4bab3a6b03ccb1bdb

    • Size

      1.3MB

    • MD5

      296df93c1575604177a1ccebbf2e50fd

    • SHA1

      ca84c7f503d574a9a4be8b8855b70cb664a88841

    • SHA256

      a9e2ecbc46b9191e0dd97fc5289ff737f45b5e5cb84218f4bab3a6b03ccb1bdb

    • SHA512

      777e8748fe382bc6412c8c4b49c8fd6592fe6d14328a716fd0e5b5eace615bfb1972edc0f90fbcfd2cc4a411de72c3db995a6b8160d6ffe0803404326bd9e567

    • 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