Extracted

• • Target

    Solara/SolaraB/SolaraBootstrapper.exe

  • Size

    826KB

  • MD5

    886d05ab350457e2ddde2f569dc0668a

  • SHA1

    3448ca0ce7b2f279694f8a360348c0ade71b9322

  • SHA256

    286b6d3aa77caa78854b3648d96d80a1f207d7b94fb54103b44600a6f72839b5

  • SHA512

    31186e5e079389f820a026843340468cf183c31ee18d60537d48e83b4ecb08b86f2e1b41012b4fa25ebbbd33a4fbc833986815e71010b74df3e04fdaf49d7962

  • SSDEEP

    12288:gCQjgAtAHM+vetZxF5EWry8AJGy03eJxZM6gMkIhS:g5ZWs+OZVEWry8AFL06gGS

  Score

  10^/10

  44caliberevasionspywarestealerthemidatrojan

  • 44Caliber

    An open source infostealer written in C#.

    stealer44caliber

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

    evasion

  • 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

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Checks whether UAC is enabled

    evasiontrojan

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2