Overview

overview

10

Static

static

10

a75b332d67...eb.exe

windows10-2004-x64

10

a75b332d67...eb.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    60s
  • max time network
    59s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/06/2026, 19:09

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General

  • Target
    a75b332d676a6d092f1e70b60226b95af3f50f814e10d586e72b47dd661543eb.exe
  • Size 45KB
  • Sample260619-xt8nhsb18v
  • SHA256 a75b332d676a6d092f1e70b60226b95af3f50f814e10d586e72b47dd661543eb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexvietnamhd.net:80

  • sexvietnamhd.net:22

  • sexvietnamhd.net:8080

  • sexvietnamhd.net:8880

  • sexvietnamhd.net:2052

  • sexvietnamhd.net:2082

  • sexvietnamhd.net:2086

  • sexvietnamhd.net:2095

  • sexvietnamhd.net:443

  • sexvietnamhd.net:2053

  • sexvietnamhd.net:2083

  • sexvietnamhd.net:2087

  • sexvietnamhd.net:2096

  • sexvietnamhd.net:8443

  • www.sexvietnamhd.net:80

  • www.sexvietnamhd.net:22

  • www.sexvietnamhd.net:8080

  • www.sexvietnamhd.net:8880

  • www.sexvietnamhd.net:2052

  • www.sexvietnamhd.net:2082

Mutex

  • LeI7CDsQGVAd

Attributes
  • delay

    0

  • install

    true

  • install_file

    ms318x.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a75b332d676a6d092f1e70b60226b95af3f50f814e10d586e72b47dd661543eb.exe
    "C:\Users\Admin\AppData\Local\Temp\a75b332d676a6d092f1e70b60226b95af3f50f814e10d586e72b47dd661543eb.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ms318x" /tr '"C:\Users\Admin\AppData\Roaming\ms318x.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3956
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "ms318x" /tr '"C:\Users\Admin\AppData\Roaming\ms318x.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2720
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2B3C.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1420
      • C:\Users\Admin\AppData\Roaming\ms318x.exe
        "C:\Users\Admin\AppData\Roaming\ms318x.exe"
        3⤵
          PID:5752
    • C:\Users\Admin\AppData\Roaming\ms318x.exe
      "C:\Users\Admin\AppData\Roaming\ms318x.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5972

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp2B3C.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp2B3C.tmp.bat
          • Size 150B
          • SHA256 3aff0cb1a3e2915eb13fb1d8bd6a4e058fe9bb488b6ecbe88a1c4d030f41c5b1
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ms318x.exe
          • Path C:\Users\Admin\AppData\Roaming\ms318x.exe
          • Size 45KB
          • SHA256 a75b332d676a6d092f1e70b60226b95af3f50f814e10d586e72b47dd661543eb
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/728-0-0x00000000747A2000-0x00000000747A3000-memory.dmp
          Download

          memory/728-1-0x0000000000B60000-0x0000000000B72000-memory.dmp
          Download

          memory/728-2-0x0000000074790000-0x0000000074F4C000-memory.dmp
          Download

          memory/728-3-0x0000000005690000-0x000000000572C000-memory.dmp
          Download

          memory/728-8-0x0000000074790000-0x0000000074F4C000-memory.dmp
          Download

          memory/5972-12-0x0000000073FD2000-0x0000000073FD3000-memory.dmp
          Download