Extracted

• • Target

    SolaraBootstrapper.exe

  • Size

    8.8MB

  • MD5

    5b803258e94a7febaadc8198008838fd

  • SHA1

    9a55577f5a0ca230de1df7d30bf332f41a98f360

  • SHA256

    ef4ea3169599d5177146d95c70fe68b09cbb05b62783710d4d9bee0f84eab0fb

  • SHA512

    756d2f6be65e2b752ecdf24921092b88dea674f0c9a898dba2a149c62dfcca299292177e31708c86510e6475479c49c99df1c863f6b9544e6bca35b662750fb6

  • SSDEEP

    196608:J7FU56N4gt8bcQ8B8GS5nFG0O48rieJE321wzfV7I7NjDpp8Iv:wQ4g9Q8BpaGPrXEGqzNE7NDTn

  Score

  10^/10

  dcratxmrigxwormdiscoveryexecutioninfostealerminerpersistencerattrojancredential_accessspywarestealer

  • DcRat

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

    ratinfostealerdcrat

  • Detect Xworm Payload

  • Modifies WinLogon for persistence

    persistence

  • Process spawned unexpected child process

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

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • xmrig

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

    minerxmrig

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • 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

  • Downloads MZ/PE file

  • .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.

  • 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

  • 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

  • Suspicious use of SetThreadContext

  behavioral1behavioral2