Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 13:32

General

  • Target
    4ea22b8bbe2454d7993867296c8ded01af5edf2816f5d77c7e58f08be6fc570f.exe
  • Size 45KB
  • Sample260701-qte8msht6x
  • SHA256 4ea22b8bbe2454d7993867296c8ded01af5edf2816f5d77c7e58f08be6fc570f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • phimsexchaua.net:80

  • phimsexchaua.net:22

  • phimsexchaua.net:8080

  • phimsexchaua.net:8880

  • phimsexchaua.net:2052

  • phimsexchaua.net:2082

  • phimsexchaua.net:2086

  • phimsexchaua.net:2095

  • phimsexchaua.net:443

  • phimsexchaua.net:2053

  • phimsexchaua.net:2083

  • phimsexchaua.net:2087

  • phimsexchaua.net:2096

  • phimsexchaua.net:8443

  • www.phimsexchaua.net:80

  • www.phimsexchaua.net:22

  • www.phimsexchaua.net:8080

  • www.phimsexchaua.net:8880

  • www.phimsexchaua.net:2052

  • www.phimsexchaua.net:2082

Mutex
  • R918Tv9qLf0C

Attributes
  • delay

    0

  • install

    true

  • install_file

    65uty9.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
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ea22b8bbe2454d7993867296c8ded01af5edf2816f5d77c7e58f08be6fc570f.exe
    "C:\Users\Admin\AppData\Local\Temp\4ea22b8bbe2454d7993867296c8ded01af5edf2816f5d77c7e58f08be6fc570f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "65uty9" /tr '"C:\Users\Admin\AppData\Roaming\65uty9.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5336
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "65uty9" /tr '"C:\Users\Admin\AppData\Roaming\65uty9.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3388
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4590.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5792
      • C:\Users\Admin\AppData\Roaming\65uty9.exe
        "C:\Users\Admin\AppData\Roaming\65uty9.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4936
  • C:\Users\Admin\AppData\Roaming\65uty9.exe
    "C:\Users\Admin\AppData\Roaming\65uty9.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4544
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5156
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4512
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1572
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:856

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        prep_Activatable Class_Hermes_perf.cache

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH

        tmp4590.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4590.tmp.bat
        • Size 150B
        • SHA256 8411465a8b101d68f6dd7af6f871ac91e56824171e75fed8fc25382565ffaa09
        • MD5 SHA1 SHA512 TLSH

        65uty9.exe

        • Path C:\Users\Admin\AppData\Roaming\65uty9.exe
        • Size 45KB
        • SHA256 4ea22b8bbe2454d7993867296c8ded01af5edf2816f5d77c7e58f08be6fc570f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1420-1-0x0000000000610000-0x0000000000622000-memory.dmp

        memory/1420-2-0x0000000074260000-0x0000000074A1C000-memory.dmp

        memory/1420-3-0x0000000005100000-0x000000000519C000-memory.dmp

        memory/1420-8-0x0000000074260000-0x0000000074A1C000-memory.dmp

        memory/1420-0-0x0000000074272000-0x0000000074273000-memory.dmp

        memory/1572-44-0x0000018F02A20000-0x0000018F02A40000-memory.dmp

        memory/1572-35-0x0000018F001E0000-0x0000018F002E0000-memory.dmp

        memory/1572-61-0x0000018F142C0000-0x0000018F142E0000-memory.dmp

        memory/1572-45-0x0000018F02E80000-0x0000018F02F80000-memory.dmp

        memory/1572-53-0x0000018F02D60000-0x0000018F02D80000-memory.dmp

        memory/4512-187-0x000000000D760000-0x000000000DFDB000-memory.dmp

        memory/4544-14-0x00000000741F0000-0x00000000749AC000-memory.dmp

        memory/4544-12-0x00000000741F0000-0x00000000749AC000-memory.dmp