General

  • Target

    b341719e72998d26230fcc85259857e2_JaffaCakes118

  • Size

    500KB

  • Sample

    240821-nem9lavgqc

  • MD5

    b341719e72998d26230fcc85259857e2

  • SHA1

    04331108408f5e2743a679b2ca605706356f6759

  • SHA256

    c61d9bfb422e681b837b1ba4a1b280b12cad6e87f2f68901aa4267d74d6b6849

  • SHA512

    f9fbbfe10a466fb5edcaf55be199a233756a780788599f363e4af6c257c2643acefb22d3f46a4a7b5885ed4de44e6bbafa175d19c7da780c8e16968a4f972c3a

  • SSDEEP

    6144:UH6yI5HYUKReppVUnlby6ralQNeEAnbd4ClDyCSCj2LQBOL1oB8aULK1I:K6yKKgppT6rMSjq2Yj2LQoSUu1I

Malware Config

Targets

    • Target

      b341719e72998d26230fcc85259857e2_JaffaCakes118

    • Size

      500KB

    • MD5

      b341719e72998d26230fcc85259857e2

    • SHA1

      04331108408f5e2743a679b2ca605706356f6759

    • SHA256

      c61d9bfb422e681b837b1ba4a1b280b12cad6e87f2f68901aa4267d74d6b6849

    • SHA512

      f9fbbfe10a466fb5edcaf55be199a233756a780788599f363e4af6c257c2643acefb22d3f46a4a7b5885ed4de44e6bbafa175d19c7da780c8e16968a4f972c3a

    • SSDEEP

      6144:UH6yI5HYUKReppVUnlby6ralQNeEAnbd4ClDyCSCj2LQBOL1oB8aULK1I:K6yKKgppT6rMSjq2Yj2LQoSUu1I

    • Modifies WinLogon for persistence

    • UAC bypass

    • Adds policy Run key to start application

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Hijack Execution Flow: Executable Installer File Permissions Weakness

      Possible Turn off User Account Control's privilege elevation for standard users.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks