General

  • Target

    SolaraBootstrapper.exe

  • Size

    13KB

  • Sample

    240616-g2fppssfkh

  • MD5

    ddd1e59b3b4284ebea151af156288e07

  • SHA1

    8b15bd035c050f3ff06e552814f317a215349a46

  • SHA256

    4f781c8fa7e46fcdc6d43306d63b40829c694ec8e22e76b974541ad9fcca8e15

  • SHA512

    3781aead73f0cd06203e8caf3000690bd8b3984e4484d4bc19fed8ce985f53284dc0e992c9f8ecd36cf11bbab01af158e0a461ae8666d66b0a0bcaf451daaf1f

  • SSDEEP

    192:kNmF5mpRsEGBWkq3aFaLHPr/XKk0ifnTJ1S5HsRjd:kmxEGBWkq3aFaLzKVifd1S5Cj

Malware Config

Targets

    • Target

      SolaraBootstrapper.exe

    • Size

      13KB

    • MD5

      ddd1e59b3b4284ebea151af156288e07

    • SHA1

      8b15bd035c050f3ff06e552814f317a215349a46

    • SHA256

      4f781c8fa7e46fcdc6d43306d63b40829c694ec8e22e76b974541ad9fcca8e15

    • SHA512

      3781aead73f0cd06203e8caf3000690bd8b3984e4484d4bc19fed8ce985f53284dc0e992c9f8ecd36cf11bbab01af158e0a461ae8666d66b0a0bcaf451daaf1f

    • SSDEEP

      192:kNmF5mpRsEGBWkq3aFaLHPr/XKk0ifnTJ1S5HsRjd:kmxEGBWkq3aFaLzKVifd1S5Cj

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks