Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 23 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⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2792
    • 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:1396
      • 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:2576
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1CAB.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:660
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3320
      • 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:2632
  • 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:3444

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp1CAB.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp1CAB.tmp.bat
        • Size 202B
        • SHA256 067fa74f72957ddd806e04e306a605baaddb24ec81ed26924f24d89cf09871c0
        • 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/2792-0-0x000001F991BB0000-0x000001F991BC6000-memory.dmp

        memory/2792-1-0x000001F9937D0000-0x000001F9937E0000-memory.dmp