Analysis

  • max time kernel
    58s
  • max time network
    63s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 05:54

General

  • Target
    GoDuck.exe
  • Size 48KB
  • Sample260809-glv5fsal2s
  • SHA256 b34eda23ca693243820b3cd7183c15e3a52adc4eaf45bcdb52a163020ae863da
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • 789win01.cyou

C2
  • 789win01.cyou:6606

  • 789win01.cyou:80

  • 789win01.cyou:8080

  • 789win01.cyou:443

  • 789win01.cyou:8443

  • 789win01.cyou:22

  • 789win01.cyou:23

Mutex
  • 7Y5nsqpSPgAD

Attributes
  • delay

    3

  • install

    true

  • install_file

    GoogleUpdate.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\GoDuck.exe
    "C:\Users\Admin\AppData\Local\Temp\GoDuck.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2020
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:472
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2940
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF9C7.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:5716
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4812
      • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
        "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
        3⤵
          PID:3740
    • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
      "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
      1⤵
        PID:3864

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmpF9C7.tmp.bat

            • Path C:\Users\Admin\AppData\Local\Temp\tmpF9C7.tmp.bat
            • Size 156B
            • SHA256 a050b12c0d479c4d0249674e9ac08d6e5dee901eb34ae3b7739ccb7530c4f29e
            • MD5 SHA1 SHA512 TLSH

            GoogleUpdate.exe

            • Path C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
            • Size 48KB
            • SHA256 b34eda23ca693243820b3cd7183c15e3a52adc4eaf45bcdb52a163020ae863da
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2020-0-0x0000000074E22000-0x0000000074E23000-memory.dmp

            memory/2020-1-0x0000000000A00000-0x0000000000A12000-memory.dmp

            memory/2020-2-0x0000000074E10000-0x00000000755CC000-memory.dmp

            memory/2020-3-0x00000000054C0000-0x0000000005526000-memory.dmp

            memory/2020-4-0x0000000005990000-0x0000000005A2C000-memory.dmp

            memory/2020-10-0x0000000074E10000-0x00000000755CC000-memory.dmp

            memory/3864-13-0x0000000074E10000-0x00000000755CC000-memory.dmp

            memory/3864-15-0x0000000074E10000-0x00000000755CC000-memory.dmp