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General

  • Target

    JaffaCakes118_f3c99ae5f461d58f39621d15dcaf101af3b823175ffc0e79d9aa5fdcc40e0259

  • Size

    1.3MB

  • Sample

    241222-mgb4nsvmaj

  • MD5

    4b758200e4c704472c229db414552fb6

  • SHA1

    42f0a674fab415c3e1b93bf9e4798d7fdda7a741

  • SHA256

    f3c99ae5f461d58f39621d15dcaf101af3b823175ffc0e79d9aa5fdcc40e0259

  • SHA512

    6f87113b56100f89426a2a5c5207eafc8e663b21d09a2850cacbf5673d022fb4e97a627decae92eb318a3f542769a1019889dd61d18a46180bce4d36f55e9b57

  • SSDEEP

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

Malware Config

Targets

    • Target

      JaffaCakes118_f3c99ae5f461d58f39621d15dcaf101af3b823175ffc0e79d9aa5fdcc40e0259

    • Size

      1.3MB

    • MD5

      4b758200e4c704472c229db414552fb6

    • SHA1

      42f0a674fab415c3e1b93bf9e4798d7fdda7a741

    • SHA256

      f3c99ae5f461d58f39621d15dcaf101af3b823175ffc0e79d9aa5fdcc40e0259

    • SHA512

      6f87113b56100f89426a2a5c5207eafc8e663b21d09a2850cacbf5673d022fb4e97a627decae92eb318a3f542769a1019889dd61d18a46180bce4d36f55e9b57

    • SSDEEP

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

    • DcRat

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

    • Dcrat family

    • 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.

    • Command and Scripting Interpreter: PowerShell

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

    • 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

MITRE ATT&CK Enterprise v15

Tasks