General

  • Target

    RobloxPlayerInstaller (6).exe

  • Size

    5.6MB

  • Sample

    240909-srkrfsxdma

  • MD5

    ec53e9987048bc0edf75d385f3a27b51

  • SHA1

    0625305e7e3a8a48340a4f058a12bb94f394c6a1

  • SHA256

    ec730b14aaef47e65c5514d2322580fab5390350a104b26946e82a28fd640b99

  • SHA512

    f2ed3c6a5343df254e02b11492e540d595a8643c29a1ef89979b0ffbd2a15bc87c203a6d01e4e5f32e9f3deacc3f46496abd937c1bbb86b2a943a49aef18298e

  • SSDEEP

    98304:vMvEig8irqBV3hh+w8dynal9EgWhPbhiBs3HueRTMUV6efb9:8EiBiY3VnrgWLR1VtfB

Malware Config

Targets

    • Target

      RobloxPlayerInstaller (6).exe

    • Size

      5.6MB

    • MD5

      ec53e9987048bc0edf75d385f3a27b51

    • SHA1

      0625305e7e3a8a48340a4f058a12bb94f394c6a1

    • SHA256

      ec730b14aaef47e65c5514d2322580fab5390350a104b26946e82a28fd640b99

    • SHA512

      f2ed3c6a5343df254e02b11492e540d595a8643c29a1ef89979b0ffbd2a15bc87c203a6d01e4e5f32e9f3deacc3f46496abd937c1bbb86b2a943a49aef18298e

    • SSDEEP

      98304:vMvEig8irqBV3hh+w8dynal9EgWhPbhiBs3HueRTMUV6efb9:8EiBiY3VnrgWLR1VtfB

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks