Overview

overview

9

Static

static

1

RobloxPlay...1).exe

windows11-21h2-x64

9

Resubmissions

23/02/2024, 13:40

240223-qyjfvsbd7y6

21/02/2024, 12:36

240221-ps1braff849

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General

  • Target
    RobloxPlayerInstaller (1).exe
  • Size 4.6MB
  • Sample240221-ps1braff84
  • SHA256 f59c4acec3cd952c3ab981d56e1e68f543ad8684a3b44c6b59b70fbabc2b5ff0
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
adwarediscoveryevasionpersistenceransomwarestealertrojan

Malware Config

Targets

    • Target
      RobloxPlayerInstaller (1).exe
    • Size 4.6MB
    • SHA256 f59c4acec3cd952c3ab981d56e1e68f543ad8684a3b44c6b59b70fbabc2b5ff0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    9/10
    adwarediscoveryevasionpersistenceransomwarestealertrojan

    • Renames multiple (124) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Blocklisted process makes network request

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Downloads MZ/PE file

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

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

      stealeradware

    • Modifies Installed Components in the registry

      persistence

    • Sets file execution options in registry

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks