Resubmissions

21/05/2024, 17:55

240521-whgvzsde3z

21/05/2024, 17:49

240521-weabqsdc659

General

  • Target
    SolaraB.zip
  • Size 5KB
  • Sample240521-weabqsdc65
  • SHA256 b20a675a73f1940c54dda5cad8f5455bf4baa31d77edce3f391b12995d0abe85
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      SolaraB.zip
    • Size 5KB
    • SHA256 b20a675a73f1940c54dda5cad8f5455bf4baa31d77edce3f391b12995d0abe85
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      SolaraB/Solara/SolaraBootstrapper.exe
    • Size 12KB
    • SHA256 3e4f692506d372bebc12d344c5f1543b67fa1dbe095c910aab78456510d7fe66
    • MD5 SHA1 SHA512 SSDEEP
    • 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