Extracted

• • Target

    https://cdn.discordapp.com/attachments/1250327383010181161/1258646575874441356/jet.zip?ex=6688cd78&is=66877bf8&hm=bc530f820e840882c1e71373e449ba80c9f2e1d3e81ac8d0d24559b5ca79afc8&

  Score

  10^/10

  gurcumilleniumratdiscoveryevasionexecutionpersistencepyinstallerratspywarestealerupx

  • Gurcu, WhiteSnake

    Gurcu is a malware stealer written in C#.

    stealergurcu

  • MilleniumRat

    MilleniumRat is a remote access trojan written in C#.

    ratstealermilleniumrat

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Contacts a large (3000) amount of remote hosts

    This may indicate a network scan to discover remotely running services.

    discovery

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Stops running service(s)

    evasionexecution

  • 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

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Adds Run key to start application

    persistence

  • 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

  behavioral1