Extracted

• • Target
    https://github.com/enginestein/Virus-Collection

  Score

  10^/10

  adwaredefense_evasiondiscoveryexecutionchimeracrimsonratinstallerpersistenceransomwareratspywarestealer

  • Chimera Ransomware Loader DLL

    Drops/unpacks executable file which resembles Chimera's Loader.dll.

    ransomware

  • CrimsonRAT main payload

  • Family: Chimera

    Ransomware which infects local and network files, often distributed via Dropbox links.

    ransomwarechimera

  • Family: CrimsonRat

    Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    ratcrimsonrat

  • Renames multiple (1806) 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

  • Disables RegEdit via registry modification

    defense_evasion

  • Disables Task Manager via registry modification

    defense_evasion

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • 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

  • Contacts third-party web service commonly abused for C2

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops desktop.ini file(s)

  • 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.

    discovery

  • Modifies WinLogon

    persistence

  • Executes a VBScript file via the Windows Script Host.

    execution
  behavioral1