Extracted

• • Target

    https://github.com/kh4sh3i/Ransomware-Samples

  Score

  10^/10

  badrabbitcerberxmrigdiscoveryevasionminerpersistenceransomwareupx

  • BadRabbit

    Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

    ransomwarebadrabbit

  • Cerber

    Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

    ransomwarecerber

  • xmrig

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

    minerxmrig

  • XMRig Miner payload

    miner

  • Blocklisted process makes network request

  • Contacts a large (1143) amount of remote hosts

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

    discovery

  • Downloads MZ/PE file

  • Modifies Installed Components in the registry

    persistence

  • Modifies Windows Firewall

    evasion

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Cryptocurrency Miner

    Makes network request to known mining pool URL.

    miner

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • UPX packed file

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

    upx

  • Uses the VBS compiler for execution

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

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

    discovery

  • Creates a large amount of network flows

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

    discovery

  • 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

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of SetThreadContext

  behavioral1