Overview

overview

10

Static

static

1

URLScan

urlscan

https://github.com/S...

windows11-21h2-x64

10

Sharing

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General

  • Target

    https://github.com/SolaraDownloadReal/Solara/blob/main/SolaraBootstraper.exe

  • Sample

    250326-etwpvaxthw

Score
10/10
dcratdefense_evasiondiscoveryexecutioninfostealerratthemidatrojan

Malware Config

Targets

    • Target

      https://github.com/SolaraDownloadReal/Solara/blob/main/SolaraBootstraper.exe

    Score
    10/10
    dcratdefense_evasiondiscoveryexecutioninfostealerratthemidatrojan

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

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

      defense_evasion

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      defense_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.

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks