General

  • Target

    RobloxPlayerLauncher.exe

  • Size

    2.0MB

  • Sample

    230402-etg7fsef39

  • MD5

    049a90f23e906d12e2100fc314826152

  • SHA1

    4b92f2e4e367c0e66ee2062e353eafeec10027ae

  • SHA256

    8a1c0944292a12ebe6d71b7ed68f3b2f878a457f1da813545e145a5e55b15e28

  • SHA512

    9008a4681bd2f7946839373a816062515a264b57de780ee766e3d7f920cea07e3364da5a77beb3e453d41499812cc912902543e5366c88e7ff42b669b8b63ffd

  • SSDEEP

    49152:m6d/Cr0NWwE4WUXgbS/1kb5TY5aWaBCb/TBbMhPMQ3dAonTXUm/sT1:bw0VEagbEOCuUm/+

Malware Config

Targets

    • Target

      RobloxPlayerLauncher.exe

    • Size

      2.0MB

    • MD5

      049a90f23e906d12e2100fc314826152

    • SHA1

      4b92f2e4e367c0e66ee2062e353eafeec10027ae

    • SHA256

      8a1c0944292a12ebe6d71b7ed68f3b2f878a457f1da813545e145a5e55b15e28

    • SHA512

      9008a4681bd2f7946839373a816062515a264b57de780ee766e3d7f920cea07e3364da5a77beb3e453d41499812cc912902543e5366c88e7ff42b669b8b63ffd

    • SSDEEP

      49152:m6d/Cr0NWwE4WUXgbS/1kb5TY5aWaBCb/TBbMhPMQ3dAonTXUm/sT1:bw0VEagbEOCuUm/+

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • Adds Run key to start application

    • 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

    • Drops desktop.ini file(s)

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

4
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

6
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

6
T1082

Collection

Data from Local System

1
T1005

Tasks