Extracted

• • Target
    ratonClient.exe
  • Size 2.4MB
  • SHA256 f770e3955872fbb611e7a8bc154efc34b2e363493847c3f211da72214fb2c4e6
  • MD5 2de32f09e2ee68bb35d0bf164e6cf4b9
  • SHA1 f65c490de79558b3b29076e026783a9c408824c1
  • SHA512 647f31afdc00bb4e97acf3205613382e58b35b1b9cbfd6de84e8578ecd95c929bbbe9cd81520fbb1413fb779e6901e91ad4edb9bc40e9c37aad0c815e9c7e829
  • SSDEEP 49152:kgVUlsHjkmiGWU5+5WDtsclR0BxMzaRw4iAn4W:kgVUuHjkDGjYQDGuRxzew
  • TLSH
    T1B8C5011C33F9C618F1AF4BB4A57189664731FD179C62DBAC58E139AE04B6F44BA10B23
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  defense_evasiondiscoveryexecutionexploitratonratpersistenceransomwarespywarestealer

  • Detects RatonRAT payload

  • Family: RatonRAT

    RatonRAT is an information stealer written in C#.

    stealerratonrat

  • Looks for VirtualBox Guest Additions in registry

    defense_evasion

  • Renames multiple (138) files with added filename extension

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

    ransomware

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Drops file in Drivers directory

  • Looks for VMWare Tools registry key

    defense_evasion

  • Manipulates Digital Signatures

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Possible privilege escalation attempt

    exploit

  • Boot or Logon Autostart Execution: Print Processors

    Adversaries may abuse print processors to run malicious DLLs during system boot for persistence and/or privilege escalation.

    persistence

  • 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

  • Modifies file permissions

    discovery

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Drops desktop.ini file(s)

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry

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

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1behavioral2