Extracted

Extracted

• • Target

    SolaraBootstraper.exe

  • Size

    290KB

  • MD5

    288a089f6b8fe4c0983259c6daf093eb

  • SHA1

    8eafbc8e6264167bc73c159bea34b1cfdb30d34f

  • SHA256

    3536c40290b9e7e9c3c47a96ab10fe3b737f334dd6779eaf70e35e91e10a677b

  • SHA512

    c04bf3530cd471d589efb8f7e6bdddb39422fc4284afc7f2d3645a646ebbee170d57dc57eff30cee05ef091c64c6a98586c5a887d25fe53e49531c137d285448

  • SSDEEP

    6144:4XWloZM+rIkd8g+EtXHkv/iD4H/pduMzvExlwOffujfb8e1mYoiCYvZZ:JoZtL+EP8H/pduMzvExlwOffuvZR9xZ

  Score

  10^/10

  njratumbralhackedevasionpersistencestealertrojanexecutionspywarethemida

  • Detect Umbral payload

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat

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

    evasion

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Drops file in Drivers directory

  • Modifies Windows Firewall

    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.

  • Drops startup file

  • 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

  • Adds Run key to start application

    persistence

  • 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