Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 22:28

General

  • Target
    ac3d4952bd315f4e4f6bf09f7ecb3f52326915803a343633922abde6fbd9a5e4.exe
  • Size 45KB
  • Sample260710-2d3vjsfv4y
  • SHA256 ac3d4952bd315f4e4f6bf09f7ecb3f52326915803a343633922abde6fbd9a5e4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexakula.net:80

  • sexakula.net:22

  • sexakula.net:8080

  • sexakula.net:8880

  • sexakula.net:2052

  • sexakula.net:2082

  • sexakula.net:2086

  • sexakula.net:2095

  • sexakula.net:443

  • sexakula.net:2053

  • sexakula.net:2083

  • sexakula.net:2087

  • sexakula.net:2096

  • sexakula.net:8443

  • www.sexakula.net:80

  • www.sexakula.net:22

  • www.sexakula.net:8080

  • www.sexakula.net:8880

  • www.sexakula.net:2052

  • www.sexakula.net:2082

Mutex
  • aqsAJhP7tpW6

Attributes
  • delay

    0

  • install

    true

  • install_file

    uos8mbt.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).

  • 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.

  • 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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac3d4952bd315f4e4f6bf09f7ecb3f52326915803a343633922abde6fbd9a5e4.exe
    "C:\Users\Admin\AppData\Local\Temp\ac3d4952bd315f4e4f6bf09f7ecb3f52326915803a343633922abde6fbd9a5e4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "uos8mbt" /tr '"C:\Users\Admin\AppData\Roaming\uos8mbt.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "uos8mbt" /tr '"C:\Users\Admin\AppData\Roaming\uos8mbt.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4028
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE739.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4952
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5460
      • C:\Users\Admin\AppData\Roaming\uos8mbt.exe
        "C:\Users\Admin\AppData\Roaming\uos8mbt.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1080
  • C:\Users\Admin\AppData\Roaming\uos8mbt.exe
    "C:\Users\Admin\AppData\Roaming\uos8mbt.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4708

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpE739.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpE739.tmp.bat
        • Size 151B
        • SHA256 349f94d77052b1b79b135fd83359804ad5619441f3834565c25eac714e9c9cea
        • MD5 SHA1 SHA512 TLSH

        uos8mbt.exe

        • Path C:\Users\Admin\AppData\Roaming\uos8mbt.exe
        • Size 45KB
        • SHA256 ac3d4952bd315f4e4f6bf09f7ecb3f52326915803a343633922abde6fbd9a5e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4708-12-0x0000000074D10000-0x00000000754CC000-memory.dmp

        memory/4708-14-0x0000000074D10000-0x00000000754CC000-memory.dmp

        memory/5976-0-0x0000000074F22000-0x0000000074F23000-memory.dmp

        memory/5976-1-0x0000000000E60000-0x0000000000E72000-memory.dmp

        memory/5976-2-0x0000000074F10000-0x00000000756CC000-memory.dmp

        memory/5976-3-0x00000000059B0000-0x0000000005A4C000-memory.dmp

        memory/5976-8-0x0000000074F10000-0x00000000756CC000-memory.dmp