Overview

overview

10

Static

static

10

kk1.exe

windows10-2004-x64

10

kk1.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    60s
  • max time network
    59s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 04:46

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General

  • Target
    kk1.exe
  • Size 45KB
  • Sample260810-fdzbgawsby
  • SHA256 35438b98bfd6c241554a676712ff57d7db548d2abcf03a93bb070304226d2f74
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
789win.ru.comdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • 789win.ru.com

C2

  • 789win.ru.com:6606

  • 789win.ru.com:80

  • 789win.ru.com:8080

  • 789win.ru.com:443

  • 789win.ru.com:8443

  • 789win.ru.com:22

  • 789win.ru.com:23

Mutex

  • YgxNdBVpVSnZ

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#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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.

    execution
  • 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.

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

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

    persistenceexecution

Processes

  • C:\Users\Admin\AppData\Local\Temp\kk1.exe
    "C:\Users\Admin\AppData\Local\Temp\kk1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:3528
    • 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:3584
      • 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:5088
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6661.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:4876
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1120
      • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
        "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
        3⤵
          PID:1732
    • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
      "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
      1⤵
        PID:2732

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmp6661.tmp.bat
            • Path C:\Users\Admin\AppData\Local\Temp\tmp6661.tmp.bat
            • Size 156B
            • SHA256 7d5080eb1cdb2efea2ffba14c1c48f87f5ed091bc6cc9929754d6484f10d6855
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            GoogleUpdate.exe
            • Path C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
            • Size 45KB
            • SHA256 35438b98bfd6c241554a676712ff57d7db548d2abcf03a93bb070304226d2f74
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2732-13-0x0000000074E70000-0x000000007562C000-memory.dmp
            Download

            memory/2732-15-0x0000000074E70000-0x000000007562C000-memory.dmp
            Download

            memory/3528-0-0x0000000074EC2000-0x0000000074EC3000-memory.dmp
            Download

            memory/3528-1-0x0000000000A70000-0x0000000000A82000-memory.dmp
            Download

            memory/3528-2-0x0000000074EB0000-0x000000007566C000-memory.dmp
            Download

            memory/3528-3-0x0000000005560000-0x00000000055C6000-memory.dmp
            Download

            memory/3528-4-0x00000000059F0000-0x0000000005A8C000-memory.dmp
            Download

            memory/3528-10-0x0000000074EB0000-0x000000007566C000-memory.dmp
            Download