Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/08/2026, 12:23

General

  • Target
    SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.exe
  • Size 65KB
  • Sample260804-pkgjnswxbs
  • SHA256 1354fcfe5209e6cb3cd8dac8a49885f0b22e72e461a95726d84135e0f35ff1c3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Botnet
  • SkyBridge Connectivity

C2
  • au88.pw:2048

  • au88.pw:4782

  • au88.pw:443

  • au88.pw:8888

  • au88.pw:8848

  • indreams.ru.com:2048

  • indreams.ru.com:4782

  • indreams.ru.com:443

  • indreams.ru.com:8888

  • indreams.ru.com:8848

  • i-u888.com.tw:2048

  • i-u888.com.tw:4782

  • i-u888.com.tw:443

  • i-u888.com.tw:8888

  • i-u888.com.tw:8848

  • neko4d.top:2048

  • neko4d.top:4782

  • neko4d.top:443

  • neko4d.top:8888

  • neko4d.top:8848

Mutex
  • SkyBridge Connectivity

Attributes
  • delay

    1

  • install

    true

  • install_file

    SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg.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 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 2 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 5 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\SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg" /tr '"C:\Users\Admin\AppData\Roaming\SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4036
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg" /tr '"C:\Users\Admin\AppData\Roaming\SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4124
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3B5E.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2444
      • C:\Users\Admin\AppData\Roaming\SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg.exe
        "C:\Users\Admin\AppData\Roaming\SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3768
  • C:\Users\Admin\AppData\Roaming\SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg.exe
    "C:\Users\Admin\AppData\Roaming\SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:568

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp3B5E.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp3B5E.tmp.bat
        • Size 202B
        • SHA256 c13aff47d4436a5859be4626850432aae4532d410a8721b434fd8c314c2b7f51
        • MD5 SHA1 SHA512 TLSH

        SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg.exe

        • Path C:\Users\Admin\AppData\Roaming\SkyBridge_Connectivity_Pro_2026_v48.6.2_full_installer.pkg.exe
        • Size 65KB
        • SHA256 1354fcfe5209e6cb3cd8dac8a49885f0b22e72e461a95726d84135e0f35ff1c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2940-0-0x000001620AE10000-0x000001620AE26000-memory.dmp

        memory/2940-1-0x00000162256B0000-0x00000162256C0000-memory.dmp