Extracted

• • Target

    https://hypeddit.com/extremest/extremestdeadlyvirus

  Score

  10^/10

  badrabbitadwaredefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwarespywarestealertrojanupx

  • BadRabbit

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

    ransomwarebadrabbit

  • Modifies visibility of file extensions in Explorer

    evasion

  • UAC bypass

    evasiontrojan

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Renames multiple (173) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Downloads MZ/PE file

  • Modifies Windows Firewall

    evasion

  • 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

  • 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

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware

  • Legitimate hosting services abused for malware hosting/C2

  • Network Share Discovery

    Attempt to gather information on host network.

    discovery

  • Checks system information in the registry

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

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1