Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    12/03/2026, 07:59

General

  • Target
    emodplus.exe
  • Size 3.2MB
  • Sample260312-jvtzvsds8k
  • SHA256 5fdedca0cf6f096f116a9df1edd8f57e0b51be8ec1581db11479f0204ff38f00
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • emodplus

C2
  • 58win.trading:443

  • 58win.computer:443

  • 58win.boo:443

  • 58win.rsvp:443

  • 58winz.bio:443

Mutex
  • eModPlus

Attributes
  • encryption_key

    2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED

  • install_name

    eModPlus.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    GameWard Service

  • subdirectory

    eMule\ModPlugins

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\emodplus.exe
    "C:\Users\Admin\AppData\Local\Temp\emodplus.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "GameWard Service" /sc ONLOGON /tr "C:\Program Files\eMule\ModPlugins\eModPlus.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4844
    • C:\Program Files\eMule\ModPlugins\eModPlus.exe
      "C:\Program Files\eMule\ModPlugins\eModPlus.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "GameWard Service" /sc ONLOGON /tr "C:\Program Files\eMule\ModPlugins\eModPlus.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2384

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        eModPlus.exe

        • Path C:\Program Files\eMule\ModPlugins\eModPlus.exe
        • Size 3.2MB
        • SHA256 5fdedca0cf6f096f116a9df1edd8f57e0b51be8ec1581db11479f0204ff38f00
        • MD5 SHA1 SHA512 SSDEEP TLSH

        eModPlus.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\eModPlus.exe.log
        • Size 1KB
        • SHA256 5d8af3c7519874ed42a0d74ee559ae30d9cc6930aef213079347e2b47092c210
        • MD5 SHA1 SHA512 TLSH

        memory/1364-0-0x0000000000C50000-0x0000000000F84000-memory.dmp

        memory/1364-1-0x0000000003290000-0x00000000032A0000-memory.dmp

        memory/1364-9-0x0000000001930000-0x0000000001942000-memory.dmp

        memory/1364-8-0x000000001BCC0000-0x000000001BDDE000-memory.dmp

        memory/2508-10-0x000000001B7B0000-0x000000001B7C0000-memory.dmp

        memory/2508-11-0x000000001B760000-0x000000001B7B0000-memory.dmp

        memory/2508-12-0x000000001BFA0000-0x000000001C052000-memory.dmp

        memory/2508-14-0x0000000001260000-0x0000000001272000-memory.dmp

        memory/2508-15-0x000000001B7B0000-0x000000001B7C0000-memory.dmp

        memory/2508-13-0x000000001B7C0000-0x000000001B8DE000-memory.dmp