Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 09:28

General

  • Target
    85ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d.exe
  • Size 63KB
  • Sample260810-lflfaavhrf
  • SHA256 85ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Botnet
  • Default

Attributes
  • delay

    1

  • install

    true

  • install_file

    vortex.exe

  • install_folder

    %AppData%

  • local_host

    127.0.0.1

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 1 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\85ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d.exe
    "C:\Users\Admin\AppData\Local\Temp\85ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "vortex" /tr '"C:\Users\Admin\AppData\Roaming\vortex.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4768
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "vortex" /tr '"C:\Users\Admin\AppData\Roaming\vortex.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:936
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4DE7.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4944
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4428
      • C:\Users\Admin\AppData\Roaming\vortex.exe
        "C:\Users\Admin\AppData\Roaming\vortex.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:504

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp4DE7.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4DE7.tmp.bat
        • Size 150B
        • SHA256 0dd9b007f2a5d0ca44b543e4350b3601c715827ea2c6b8bec32bc4fcc978e2f0
        • MD5 SHA1 SHA512 TLSH

        vortex.exe

        • Path C:\Users\Admin\AppData\Roaming\vortex.exe
        • Size 63KB
        • SHA256 85ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1756-6-0x00007FF848870000-0x00007FF849214000-memory.dmp

        memory/1756-3-0x00007FF848870000-0x00007FF849214000-memory.dmp

        memory/1756-4-0x00007FF848870000-0x00007FF849214000-memory.dmp

        memory/1756-5-0x00007FF848870000-0x00007FF849214000-memory.dmp

        memory/1756-1-0x0000000000320000-0x0000000000336000-memory.dmp

        memory/1756-7-0x00007FF848870000-0x00007FF849214000-memory.dmp

        memory/1756-9-0x00007FF848870000-0x00007FF849214000-memory.dmp

        memory/1756-8-0x00007FF848870000-0x00007FF849214000-memory.dmp

        memory/1756-13-0x00007FF848870000-0x00007FF849214000-memory.dmp

        memory/1756-2-0x00007FF848870000-0x00007FF849214000-memory.dmp

        memory/1756-0-0x00007FF8489FF000-0x00007FF848A00000-memory.dmp