Extracted

• • Target

    SolaraBootstrapper.exe

  • Size

    9.5MB

  • MD5

    7d9b8cef5925d1a700d720743bf61865

  • SHA1

    10321760a98c0220be157441ae0516a5003ceba3

  • SHA256

    1f3a8ed14dcf8dd8b4a88787b08163b9e9d65d999e61645b90c0c91b6a8f71fd

  • SHA512

    793cf9f9641cd3c79fdba67af80d4ecf4b17ba4c151cc4696504740db64aaf309caeec1497273092a825e3543109f1172648193b9ae8a15d57b1501b74d2f8a9

  • SSDEEP

    196608:ZE7JB0tYrXLW+d7UcIxptvyUQymRDSI1WCOK5d66w:ZE9B0OjrdLK4J/n66w

  Score

  10^/10

  dcratgurcuxmrigexecutioninfostealerminerpersistenceprivilege_escalationratspywarestealer

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    ratinfostealerdcrat

  • Gurcu, WhiteSnake

    Gurcu is a malware stealer written in C#.

    stealergurcu

  • Modifies WinLogon for persistence

    persistence

  • Process spawned unexpected child process

    This typically indicates the parent process was compromised via an exploit or macro.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig

  • DCRat payload

    Detects payload of DCRat, commonly dropped by NSIS installers.

    rat

  • XMRig Miner payload

    miner

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Event Triggered Execution: AppInit DLLs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    persistenceprivilege_escalation

  • .NET Reactor proctector

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • 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

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Adds Run key to start application

    persistence

  • Blocklisted process makes network request

  • Enumerates connected drives

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

  • Looks up external IP address via web service

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

  • Drops file in System32 directory

  behavioral1