General

  • Target
    SolaraBeta.zip
  • Size 18.8MB
  • Sample240602-rbzd8sfa86
  • SHA256 d8dc3d3c20bc6b29c8fbcc4c43684a590ef9def1a3307ceed5dfe37d187e1350
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      SolaraBeta/SolaraRelease.exe
    • Size 17.9MB
    • SHA256 15aa7b28eb003b5bfea6679de772a34e59372f2155a87ba8f05ce8c4118e2e3e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      SolaraBeta/bin/incognito-luau.dll
    • Size 1.3MB
    • SHA256 8716c75aff75941711aff8770836f47eb9a254416089ef3571c6fc9a338b3009
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • 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

    • 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