Analysis

  • max time kernel
    6s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 12:14

General

  • Target
    9f5351f9fce2d2520987618a02bdff696d3fd3773b0de1a0c6051b4079ce0e83.exe
  • Size 45KB
  • Sample260715-ped7csft5z
  • SHA256 9f5351f9fce2d2520987618a02bdff696d3fd3773b0de1a0c6051b4079ce0e83
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexvuto.site:80

  • sexvuto.site:22

  • sexvuto.site:8080

  • sexvuto.site:8880

  • sexvuto.site:2052

  • sexvuto.site:2082

  • sexvuto.site:2086

  • sexvuto.site:2095

  • sexvuto.site:443

  • sexvuto.site:2053

  • sexvuto.site:2083

  • sexvuto.site:2087

  • sexvuto.site:2096

  • sexvuto.site:8443

  • www.sexvuto.site:80

  • www.sexvuto.site:22

  • www.sexvuto.site:8080

  • www.sexvuto.site:8880

  • www.sexvuto.site:2052

  • www.sexvuto.site:2082

Mutex
  • LcbuEPHCgAM4

Attributes
  • delay

    0

  • install

    true

  • install_file

    uyxk4s.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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f5351f9fce2d2520987618a02bdff696d3fd3773b0de1a0c6051b4079ce0e83.exe
    "C:\Users\Admin\AppData\Local\Temp\9f5351f9fce2d2520987618a02bdff696d3fd3773b0de1a0c6051b4079ce0e83.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "uyxk4s" /tr '"C:\Users\Admin\AppData\Roaming\uyxk4s.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4660
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "uyxk4s" /tr '"C:\Users\Admin\AppData\Roaming\uyxk4s.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4748
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE1F.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5424
      • C:\Users\Admin\AppData\Roaming\uyxk4s.exe
        "C:\Users\Admin\AppData\Roaming\uyxk4s.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5080
  • C:\Users\Admin\AppData\Roaming\uyxk4s.exe
    "C:\Users\Admin\AppData\Roaming\uyxk4s.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4724

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpE1F.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpE1F.tmp.bat
        • Size 149B
        • SHA256 7cf8534110cd66426e6346e5926fac0515569c141133c715cbee1635ebe1a4f6
        • MD5 SHA1 SHA512 TLSH

        uyxk4s.exe

        • Path C:\Users\Admin\AppData\Roaming\uyxk4s.exe
        • Size 45KB
        • SHA256 9f5351f9fce2d2520987618a02bdff696d3fd3773b0de1a0c6051b4079ce0e83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3684-0-0x00000000744B2000-0x00000000744B3000-memory.dmp

        memory/3684-1-0x0000000000560000-0x0000000000572000-memory.dmp

        memory/3684-2-0x00000000744A0000-0x0000000074C5C000-memory.dmp

        memory/3684-3-0x00000000050A0000-0x000000000513C000-memory.dmp

        memory/3684-8-0x00000000744A0000-0x0000000074C5C000-memory.dmp

        memory/4724-12-0x0000000074330000-0x0000000074AEC000-memory.dmp

        memory/4724-14-0x0000000074330000-0x0000000074AEC000-memory.dmp