Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/09/2026, 09:57

General

  • Target
    eca833da49499582eed0f43cb3baf59f99b82141a753a95cb9a9df5fe7ebc814.exe
  • Size 45KB
  • Sample260907-ly5lwatfpc
  • SHA256 eca833da49499582eed0f43cb3baf59f99b82141a753a95cb9a9df5fe7ebc814
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sextinvl.blog:80

  • sextinvl.blog:22

  • sextinvl.blog:8080

  • sextinvl.blog:8880

  • sextinvl.blog:2052

  • sextinvl.blog:2082

  • sextinvl.blog:2086

  • sextinvl.blog:2095

  • sextinvl.blog:443

  • sextinvl.blog:2053

  • sextinvl.blog:2083

  • sextinvl.blog:2087

  • sextinvl.blog:2096

  • sextinvl.blog:8443

  • www.sextinvl.blog:80

  • www.sextinvl.blog:22

  • www.sextinvl.blog:8080

  • www.sextinvl.blog:8880

  • www.sextinvl.blog:2052

  • www.sextinvl.blog:2082

Mutex
  • rCYPddLUdBwt

Attributes
  • delay

    0

  • install

    true

  • install_file

    fe0kcml.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).

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\eca833da49499582eed0f43cb3baf59f99b82141a753a95cb9a9df5fe7ebc814.exe
    "C:\Users\Admin\AppData\Local\Temp\eca833da49499582eed0f43cb3baf59f99b82141a753a95cb9a9df5fe7ebc814.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "fe0kcml" /tr '"C:\Users\Admin\AppData\Roaming\fe0kcml.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "fe0kcml" /tr '"C:\Users\Admin\AppData\Roaming\fe0kcml.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4156
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5CBC.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4360
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3684
      • C:\Users\Admin\AppData\Roaming\fe0kcml.exe
        "C:\Users\Admin\AppData\Roaming\fe0kcml.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1320
  • C:\Users\Admin\AppData\Roaming\fe0kcml.exe
    "C:\Users\Admin\AppData\Roaming\fe0kcml.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5088

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp5CBC.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5CBC.tmp.bat
        • Size 151B
        • SHA256 8d662e4444c16bf61ec6ee5a07effb7634ed2c62b6959e83a87f0b3b73f7ac26
        • MD5 SHA1 SHA512 TLSH

        fe0kcml.exe

        • Path C:\Users\Admin\AppData\Roaming\fe0kcml.exe
        • Size 45KB
        • SHA256 eca833da49499582eed0f43cb3baf59f99b82141a753a95cb9a9df5fe7ebc814
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4812-0-0x0000000074862000-0x0000000074863000-memory.dmp

        memory/4812-1-0x0000000000C40000-0x0000000000C52000-memory.dmp

        memory/4812-2-0x0000000074850000-0x000000007500C000-memory.dmp

        memory/4812-3-0x0000000005610000-0x00000000056AC000-memory.dmp

        memory/4812-8-0x0000000074850000-0x000000007500C000-memory.dmp

        memory/5088-12-0x0000000074680000-0x0000000074E3C000-memory.dmp

        memory/5088-14-0x0000000074680000-0x0000000074E3C000-memory.dmp