General

  • Target

    RobloxPlayerInstaller (1).exe

  • Size

    5.6MB

  • Sample

    241119-zfsfgsxkbr

  • MD5

    d771329feeb9cc60faf5b52f311b33ed

  • SHA1

    62cfb3e7e243b532f8414a99a793ecb6bdbf12b6

  • SHA256

    f4b5d28aa94e1cf97d3007e4874a6782d971a7343b68aafc4a72cdb42f323f31

  • SHA512

    567080abc4b3d4501cf1956365b0b24c648e633f470712c5e96a70a74bdc193546f6a0939313ebc1a598b559a9ce6d6e5d0c10261fc16c000d9ed6a310d5f2d8

  • SSDEEP

    98304:Y7vEAv7xmBAlB02tgMJLrD5b0pbPKmN9dgLs7CxSz/RHf6ms3PkPWfbYm:sEAt0cVCDKWgLsxRs3scUm

Malware Config

Targets

    • Target

      RobloxPlayerInstaller (1).exe

    • Size

      5.6MB

    • MD5

      d771329feeb9cc60faf5b52f311b33ed

    • SHA1

      62cfb3e7e243b532f8414a99a793ecb6bdbf12b6

    • SHA256

      f4b5d28aa94e1cf97d3007e4874a6782d971a7343b68aafc4a72cdb42f323f31

    • SHA512

      567080abc4b3d4501cf1956365b0b24c648e633f470712c5e96a70a74bdc193546f6a0939313ebc1a598b559a9ce6d6e5d0c10261fc16c000d9ed6a310d5f2d8

    • SSDEEP

      98304:Y7vEAv7xmBAlB02tgMJLrD5b0pbPKmN9dgLs7CxSz/RHf6ms3PkPWfbYm:sEAt0cVCDKWgLsxRs3scUm

    • 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

    • A potential corporate email address has been identified in the URL: [email protected]

    • 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