Overview

overview

10

Static

static

10

JaffaCakes...5f.exe

windows7-x64

10

JaffaCakes...5f.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    JaffaCakes118_4dba0b8b53a6226666269bcda873575f
  • Size 1.4MB
  • Sample250107-e5j57atrf1
  • SHA256 94ce5a41f89b1be0c2b093849cebc9d4da540feeff64daceaa6439f0b4b573eb
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratdiscoveryevasioninfostealerpersistencerat

Malware Config

Targets

    • Target
      JaffaCakes118_4dba0b8b53a6226666269bcda873575f
    • Size 1.4MB
    • SHA256 94ce5a41f89b1be0c2b093849cebc9d4da540feeff64daceaa6439f0b4b573eb
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratdiscoveryevasioninfostealerpersistencerat

    • 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

    • Disables Task Manager via registry modification

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks