Overview

overview

10

Static

static

10

8112b9525f...f2.exe

windows10-2004-x64

10

8112b9525f...f2.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 16:43

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General

  • Target
    8112b9525f854861990ff41a73ba404565dc3af8340b9646c896ce86435928f2.exe
  • Size 45KB
  • Sample260804-t8np4svfpb
  • SHA256 8112b9525f854861990ff41a73ba404565dc3af8340b9646c896ce86435928f2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexviet3x.pro:80

  • sexviet3x.pro:22

  • sexviet3x.pro:8080

  • sexviet3x.pro:8880

  • sexviet3x.pro:2052

  • sexviet3x.pro:2082

  • sexviet3x.pro:2086

  • sexviet3x.pro:2095

  • sexviet3x.pro:443

  • sexviet3x.pro:2053

  • sexviet3x.pro:2083

  • sexviet3x.pro:2087

  • sexviet3x.pro:2096

  • sexviet3x.pro:8443

  • www.sexviet3x.pro:80

  • www.sexviet3x.pro:22

  • www.sexviet3x.pro:8080

  • www.sexviet3x.pro:8880

  • www.sexviet3x.pro:2052

  • www.sexviet3x.pro:2082

Mutex

  • booTqfvklVjT

Attributes
  • delay

    0

  • install

    true

  • install_file

    99sny.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).

  • 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.

    execution
  • 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8112b9525f854861990ff41a73ba404565dc3af8340b9646c896ce86435928f2.exe
    "C:\Users\Admin\AppData\Local\Temp\8112b9525f854861990ff41a73ba404565dc3af8340b9646c896ce86435928f2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "99sny" /tr '"C:\Users\Admin\AppData\Roaming\99sny.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5360
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "99sny" /tr '"C:\Users\Admin\AppData\Roaming\99sny.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1872
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF6BF.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3568
      • C:\Users\Admin\AppData\Roaming\99sny.exe
        "C:\Users\Admin\AppData\Roaming\99sny.exe"
        3⤵
          PID:800
    • C:\Users\Admin\AppData\Roaming\99sny.exe
      "C:\Users\Admin\AppData\Roaming\99sny.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4540

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpF6BF.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpF6BF.tmp.bat
          • Size 149B
          • SHA256 fa0c9243a1d7ca2e0743dc6e81dceac3766b776142dc858f81ce4db49cdd4fba
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          99sny.exe
          • Path C:\Users\Admin\AppData\Roaming\99sny.exe
          • Size 45KB
          • SHA256 8112b9525f854861990ff41a73ba404565dc3af8340b9646c896ce86435928f2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3564-0-0x0000000074702000-0x0000000074703000-memory.dmp
          Download

          memory/3564-1-0x0000000000EF0000-0x0000000000F02000-memory.dmp
          Download

          memory/3564-2-0x00000000746F0000-0x0000000074EAC000-memory.dmp
          Download

          memory/3564-3-0x0000000005A00000-0x0000000005A9C000-memory.dmp
          Download

          memory/3564-8-0x00000000746F0000-0x0000000074EAC000-memory.dmp
          Download

          memory/4540-12-0x00000000746F0000-0x0000000074EAC000-memory.dmp
          Download

          memory/4540-14-0x00000000746F0000-0x0000000074EAC000-memory.dmp
          Download