Analysis

  • max time kernel
    6s
  • 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
    05/09/2026, 00:37

General

  • Target
    f9fc2452935e68adfe844dba8f3e6de889e6172119b687d90c462c5709e8f703.exe
  • Size 45KB
  • Sample260905-ayppwazzhs
  • SHA256 f9fc2452935e68adfe844dba8f3e6de889e6172119b687d90c462c5709e8f703
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexvietdam.blog:80

  • sexvietdam.blog:22

  • sexvietdam.blog:8080

  • sexvietdam.blog:8880

  • sexvietdam.blog:2052

  • sexvietdam.blog:2082

  • sexvietdam.blog:2086

  • sexvietdam.blog:2095

  • sexvietdam.blog:443

  • sexvietdam.blog:2053

  • sexvietdam.blog:2083

  • sexvietdam.blog:2087

  • sexvietdam.blog:2096

  • sexvietdam.blog:8443

  • www.sexvietdam.blog:80

  • www.sexvietdam.blog:22

  • www.sexvietdam.blog:8080

  • www.sexvietdam.blog:8880

  • www.sexvietdam.blog:2052

  • www.sexvietdam.blog:2082

Mutex
  • BINSGgbowi89

Attributes
  • delay

    0

  • install

    true

  • install_file

    m3swxc.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
  • Outbound SSH connection to public host 2 TTPs 4 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • 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\f9fc2452935e68adfe844dba8f3e6de889e6172119b687d90c462c5709e8f703.exe
    "C:\Users\Admin\AppData\Local\Temp\f9fc2452935e68adfe844dba8f3e6de889e6172119b687d90c462c5709e8f703.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "m3swxc" /tr '"C:\Users\Admin\AppData\Roaming\m3swxc.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4764
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "m3swxc" /tr '"C:\Users\Admin\AppData\Roaming\m3swxc.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1948
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp10CF.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2680
      • C:\Users\Admin\AppData\Roaming\m3swxc.exe
        "C:\Users\Admin\AppData\Roaming\m3swxc.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5452
  • C:\Users\Admin\AppData\Roaming\m3swxc.exe
    "C:\Users\Admin\AppData\Roaming\m3swxc.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp10CF.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp10CF.tmp.bat
        • Size 150B
        • SHA256 7854ece0feea1b8436febee78fbd317ff995b4f26825ad4611583c81e39f4ca1
        • MD5 SHA1 SHA512 TLSH

        m3swxc.exe

        • Path C:\Users\Admin\AppData\Roaming\m3swxc.exe
        • Size 45KB
        • SHA256 f9fc2452935e68adfe844dba8f3e6de889e6172119b687d90c462c5709e8f703
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1496-0-0x0000000074472000-0x0000000074473000-memory.dmp

        memory/1496-1-0x0000000000380000-0x0000000000392000-memory.dmp

        memory/1496-2-0x0000000074460000-0x0000000074C1C000-memory.dmp

        memory/1496-3-0x0000000004EA0000-0x0000000004F3C000-memory.dmp

        memory/1496-8-0x0000000074460000-0x0000000074C1C000-memory.dmp

        memory/4980-12-0x00000000742F0000-0x0000000074AAC000-memory.dmp

        memory/4980-14-0x00000000742F0000-0x0000000074AAC000-memory.dmp