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General

  • Target

    JaffaCakes118_f1c90fe25c2093df359b8aea9b3fa7906613cbca8b27d86fd40ab1d2187ef011

  • Size

    1.3MB

  • Sample

    241222-ysw4rsxmas

  • MD5

    f117cda9f94bb067a2a098d2e48355b2

  • SHA1

    434dde33db7933a61b9e0cbec3519cb8a5e45127

  • SHA256

    f1c90fe25c2093df359b8aea9b3fa7906613cbca8b27d86fd40ab1d2187ef011

  • SHA512

    6ed8a7a4862b98c006f173dda7752e7b5dd1abcc49ea9cb2ca02fe6afaa0fe0221d332ee191b169e4a79687df0c858a4f44a97f01cf018f08b2ddb8408334554

  • SSDEEP

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

Malware Config

Targets

    • Target

      JaffaCakes118_f1c90fe25c2093df359b8aea9b3fa7906613cbca8b27d86fd40ab1d2187ef011

    • Size

      1.3MB

    • MD5

      f117cda9f94bb067a2a098d2e48355b2

    • SHA1

      434dde33db7933a61b9e0cbec3519cb8a5e45127

    • SHA256

      f1c90fe25c2093df359b8aea9b3fa7906613cbca8b27d86fd40ab1d2187ef011

    • SHA512

      6ed8a7a4862b98c006f173dda7752e7b5dd1abcc49ea9cb2ca02fe6afaa0fe0221d332ee191b169e4a79687df0c858a4f44a97f01cf018f08b2ddb8408334554

    • 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