Analysis

  • max time kernel
    73s
  • max time network
    75s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    03/08/2020, 13:51

General

  • Target
    c80ae571a96a272aba34d454957b8cf3.exe
  • Size 915KB
  • Sample200803-e542hy1crs
  • SHA256 cb506273e06bdf86fc982d0856e21042aca6208abd36584bf15c82cede8dedca
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\Users\Admin\AppData\LocalLow\machineinfo.txt

  • raccoon

Ransom Note
  • [Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Mon Jul 6 14:33:03 2020 Launched at: 2020.08.03 - 15:51:17 GMT Bot_ID: 18823CA4-5761-4226-8787-CF36135F1C68_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 5 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: LZUKLIOU - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (683 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Signatures

  • Suspicious use of WriteProcessMemory 6 IoCs
  • JavaScript code in executable 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Loads dropped DLL 6 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Checks installed software on the system 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

Processes

  • C:\Users\Admin\AppData\Local\Temp\c80ae571a96a272aba34d454957b8cf3.exe
    "C:\Users\Admin\AppData\Local\Temp\c80ae571a96a272aba34d454957b8cf3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Loads dropped DLL
    PID:3952
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\c80ae571a96a272aba34d454957b8cf3.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:852
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:676

Network

        MITRE ATT&CK Enterprise v6

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        Downloads