General

  • Target

    JaffaCakes118_1c9786a37e3a012485258c30074590ae2aa7f8b1ed81186b34e0dfcd14d64c04

  • Size

    1.3MB

  • Sample

    241221-27nbystmej

  • MD5

    b687a0e41f98478dd186181afc47a853

  • SHA1

    61c9ee73a2307e31550f5ff5b3fde0e0714cfb21

  • SHA256

    1c9786a37e3a012485258c30074590ae2aa7f8b1ed81186b34e0dfcd14d64c04

  • SHA512

    0120db3d566f463c50687e0a1fea47a4abf41986fb5e53a5cca2b4ea0c2a8585887c83b3e52254e11eee98437ae0fb66a7a4aa05a8b2fb8678b7e158faf0ce31

  • SSDEEP

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

Malware Config

Targets

    • Target

      JaffaCakes118_1c9786a37e3a012485258c30074590ae2aa7f8b1ed81186b34e0dfcd14d64c04

    • Size

      1.3MB

    • MD5

      b687a0e41f98478dd186181afc47a853

    • SHA1

      61c9ee73a2307e31550f5ff5b3fde0e0714cfb21

    • SHA256

      1c9786a37e3a012485258c30074590ae2aa7f8b1ed81186b34e0dfcd14d64c04

    • SHA512

      0120db3d566f463c50687e0a1fea47a4abf41986fb5e53a5cca2b4ea0c2a8585887c83b3e52254e11eee98437ae0fb66a7a4aa05a8b2fb8678b7e158faf0ce31

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks