Analysis

  • max time kernel
    30s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 06:26

General

  • Target
    5680ad54e90963f572f02cf77efc673828d5992bb8a935e83015ef26daf8d9b6.exe
  • Size 48KB
  • Sample260720-g69tcagy2l
  • SHA256 5680ad54e90963f572f02cf77efc673828d5992bb8a935e83015ef26daf8d9b6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.6A

Botnet
  • null

C2
  • ikx.uk.com:80

  • ikx.uk.com:8080

  • ikx.uk.com:443

  • ikx.uk.com:8443

  • ikx.uk.com:22

  • ikx.uk.com:6607

  • ikx.uk.com:23

Mutex
  • lejkytfotaniitj

Attributes
  • delay

    5

  • install

    true

  • install_file

    ChromeUpdate.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\5680ad54e90963f572f02cf77efc673828d5992bb8a935e83015ef26daf8d9b6.exe
    "C:\Users\Admin\AppData\Local\Temp\5680ad54e90963f572f02cf77efc673828d5992bb8a935e83015ef26daf8d9b6.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'ChromeUpdate"' /tr "'C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"'
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4288
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4368.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3344
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2472
      • C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
        "C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"
        3⤵
        • Executes dropped EXE
        PID:6080
  • C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
    "C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2224

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp4368.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4368.tmp.bat
        • Size 156B
        • SHA256 1e9a8d9b6359ab72246fca02e9612f27a21130ec810fcf1fdb738a7347bc4229
        • MD5 SHA1 SHA512 TLSH

        ChromeUpdate.exe

        • Path C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
        • Size 45.6MB
        • SHA256 f25e84b6b08354d65a0dfbb78d01b7e9c5ebdff49ad9bf3ae2ef6cca3bc28948
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2480-1-0x00007FF844B9F000-0x00007FF844BA0000-memory.dmp

        memory/2480-0-0x00000000007B0000-0x00000000007C2000-memory.dmp

        memory/2480-2-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp

        memory/2480-3-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp

        memory/2480-4-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp

        memory/2480-8-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp