Extracted

• • Target

    Solara NEW.exe

  • Size

    6.9MB

  • MD5

    23afefaf5360cd0ece4cb0d5f9f59088

  • SHA1

    09464062917ac2af3bcd8d8d669a9b324b2c88db

  • SHA256

    0d1f2e73c09d687276067a433262e1f8dc6a1e2ac64d06bd1f6f9c6f2d559247

  • SHA512

    de4b9b161935b118493cbb8c1bdaf77bdd83de9f2993f5000462ee367ed6a260b3bedee033278a1f0db85535ee1df112ee26d11c8b45f9fc1c2e6d5c64ba2357

  • SSDEEP

    98304:frWORYn3zDs9FD9Br8/ja/9PdnFBVXnnG0+zHVRgMmVzuIMlHK04PBgTKZ9r/hak:qPDivr8uRVZnAH/xmVzdMleuTQpwEqvE

  Score

  10^/10

  dcratremcoshostdiscoveryevasionexecutioninfostealerpersistenceratspywarestealertrojan

  • DcRat

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

    ratinfostealerdcrat

  • Modifies WinLogon for persistence

    persistence

  • Process spawned unexpected child process

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

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos

  • UAC bypass

    evasiontrojan

  • DCRat payload

    Detects payload of DCRat, commonly dropped by NSIS installers.

    rat

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

    evasion

  • Adds policy Run key to start application

    persistence

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Sets file to hidden

    Modifies file attributes to stop it showing in Explorer etc.

    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

  • Adds Run key to start application

    persistence

  • Enumerates connected drives

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

  • 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.

  • Modifies WinLogon

    persistence

  • Drops file in System32 directory

  behavioral1