General

  • Target

    RobloxPlayerInstaller.exe

  • Size

    5.5MB

  • Sample

    240824-e6jwtatbmg

  • MD5

    5b6171c8dbb01d6bff4fbe433ef7134e

  • SHA1

    402261ab9ede4118da88e15a977e48b06138f9f8

  • SHA256

    b693b5678a7ea4620b1a3959ecf9c4864fad30ce9e2b195433fef28c296aff72

  • SHA512

    ab108c6890bc4ce5956bb019f339c07d0bca7a998ffe09015a177bc3575ff847f36fd2e1123c713d99131d60a4b27323db911a2bc9fba8b7339f98a2c340ee30

  • SSDEEP

    98304:pYv88Yi48/wmwuGHbZTWh3ftpg/GNV2dR8w5MVRRwuB4+CY:uhG8yBla7g/ZRFMDRw7XY

Malware Config

Targets

    • Target

      RobloxPlayerInstaller.exe

    • Size

      5.5MB

    • MD5

      5b6171c8dbb01d6bff4fbe433ef7134e

    • SHA1

      402261ab9ede4118da88e15a977e48b06138f9f8

    • SHA256

      b693b5678a7ea4620b1a3959ecf9c4864fad30ce9e2b195433fef28c296aff72

    • SHA512

      ab108c6890bc4ce5956bb019f339c07d0bca7a998ffe09015a177bc3575ff847f36fd2e1123c713d99131d60a4b27323db911a2bc9fba8b7339f98a2c340ee30

    • SSDEEP

      98304:pYv88Yi48/wmwuGHbZTWh3ftpg/GNV2dR8w5MVRRwuB4+CY:uhG8yBla7g/ZRFMDRw7XY

    • 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