General

  • Target
    KMSAuto-DQCU.rar
  • Size 4.8MB
  • Sample260810-hcmbmacp5y
  • SHA256 7a36a49cca57779c54fb978becd14ee3f7193775ee06d7462a488312aaa13148
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://tue-orange-03.cfd/load/dollar.exe

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://dl.multiextension.com/setup-win32-bundle.exe

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://185.191.126.171/vpn/ProctorU.1.32.win.08.exe

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://2.26.230.205/setup.exe

Targets

    • Target
      KMSAuto-DQCU.rar
    • Size 4.8MB
    • SHA256 7a36a49cca57779c54fb978becd14ee3f7193775ee06d7462a488312aaa13148
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      How to use KMSAuto.txt
    • Size 703B
    • SHA256 be38b55a3024e6ae91ec2a664702c767fa986d839655a9a0f4a7b806b5646ec3
    • MD5 SHA1 SHA512 TLSH
    • Boot or Logon Autostart Execution: Active Setup

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

    • Enumerates connected drives

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

    • Target
      Uninstall/1277444444.cmd
    • Size 324B
    • SHA256 e0f4ee0ed8f037ffbebbf7558cb0bd5e79ca596c0eac90ddfabaf54c868e9306
    • MD5 SHA1 SHA512 TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Modifies Windows Firewall

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Creates new service(s)

    • Executes dropped EXE

    • Stops running service(s)

    • Looks up external IP address via web service

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

    • UPX packed file

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

    • Target
      Uninstall/KMSAuto.exe
    • Size 8KB
    • SHA256 95ee4b9f039d8491f6c3b537a57a8a16349bdf63cb1d0d69e291b0fde580e4cd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      Uninstall/UnRAR.exe
    • Size 406KB
    • SHA256 77f954665a4d1fa39b4ac908409432e2508244f07007c83f8f86fa9cde2d9578
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

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

    • Enumerates connected drives

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

    • Target
      Uninstall/activ.rar
    • Size 4.3MB
    • SHA256 ca9c732d3162f92f07b8bd38fc560c687bed59887f5d8f5d85e89f8bdf4f72ca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      libcurl.dll
    • Size 26KB
    • SHA256 51a63fc99d0c554058fece4a3cb070d156b4eb8754af0f881a4ac0a87d82f8a3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish 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.

    • Creates new service(s)

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Indirect Command Execution

      Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Stops running service(s)

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops Chrome extension

    • 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.

    • Drops file in System32 directory

    • UPX packed file

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

    • Target
      𝗞𝗠𝗦𝗔𝘂𝘁𝗼.exe
    • Size 818KB
    • SHA256 4205d2cc3f3153517b97e98595df351546d2fa7ccbb503f6e6297cc97a058a70
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Creates new service(s)

    • Stops running service(s)

    • Adds Run key to start application

    • Boot or Logon Autostart Execution: Active Setup

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

    • Downloads MZ/PE file

    • 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.

    • Modifies Windows Firewall

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks