Extracted

• • Target

    SolaraBootstrapper.exe

  • Size

    9.5MB

  • MD5

    4050f2027e946d524e3a1078a6cd5419

  • SHA1

    698f02a2826e7d6ecfebf37b04f0231c904133eb

  • SHA256

    2cecd998dd0dda41ee0aefbd0c6a490fb42cb506fcfb2e1dafc0a89b781af9ab

  • SHA512

    fed614ebd8197c8809d32e0437dd49fd87640d3fbe0ae806479e79f2480975e404306821c43e726b55d17c02298bb088175ee079bc88d8a8fe942f3d4cd9afab

  • SSDEEP

    196608:HE7JB0tYrXLW+d7UcIxptvyUQymRDSI1WCOK5nQ:HE9B0OjrdLK4J/FQ

  Score

  10^/10

  dcratgurcuxmrigdiscoveryevasionexecutioninfostealerminerpersistenceprivilege_escalationratspywarestealerthemidatrojan

  • 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

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

    evasion

  • 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

  • Downloads MZ/PE file

  • 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 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

  • Adds Run key to start application

    persistence

  • Blocklisted process makes network request

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Checks whether UAC is enabled

    evasiontrojan

  • 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.

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1behavioral2