Overview

overview

10

Static

static

10

0f65831c2c...f3.exe

windows10-2004-x64

10

0f65831c2c...f3.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 13:32

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General

  • Target
    0f65831c2ce9207125ef08551a81dac46566de8848375d73d659be1e7dbc1bf3.exe
  • Size 45KB
  • Sample260707-qs3mjsf15j
  • SHA256 0f65831c2ce9207125ef08551a81dac46566de8848375d73d659be1e7dbc1bf3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexviet74.com:80

  • sexviet74.com:22

  • sexviet74.com:8080

  • sexviet74.com:8880

  • sexviet74.com:2052

  • sexviet74.com:2082

  • sexviet74.com:2086

  • sexviet74.com:2095

  • sexviet74.com:443

  • sexviet74.com:2053

  • sexviet74.com:2083

  • sexviet74.com:2087

  • sexviet74.com:2096

  • sexviet74.com:8443

  • www.sexviet74.com:80

  • www.sexviet74.com:22

  • www.sexviet74.com:8080

  • www.sexviet74.com:8880

  • www.sexviet74.com:2052

  • www.sexviet74.com:2082

Mutex

  • J2g861kdunW0

Attributes
  • delay

    0

  • install

    true

  • install_file

    s4mn5.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 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.

    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 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f65831c2ce9207125ef08551a81dac46566de8848375d73d659be1e7dbc1bf3.exe
    "C:\Users\Admin\AppData\Local\Temp\0f65831c2ce9207125ef08551a81dac46566de8848375d73d659be1e7dbc1bf3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "s4mn5" /tr '"C:\Users\Admin\AppData\Roaming\s4mn5.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1340
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "s4mn5" /tr '"C:\Users\Admin\AppData\Roaming\s4mn5.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3596
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFE50.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6108
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:6028
      • C:\Users\Admin\AppData\Roaming\s4mn5.exe
        "C:\Users\Admin\AppData\Roaming\s4mn5.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1436
  • C:\Users\Admin\AppData\Roaming\s4mn5.exe
    "C:\Users\Admin\AppData\Roaming\s4mn5.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2116
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:4160
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:1332
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:2472
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:984

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                prep_Activatable Class_Hermes_perf.cache
                • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                • Size 607B
                • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                tmpFE50.tmp.bat
                • Path C:\Users\Admin\AppData\Local\Temp\tmpFE50.tmp.bat
                • Size 149B
                • SHA256 df3a3acf4145d01f36ff7db426cf73e9823333fd1033b86678a84cacad09f96c
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                s4mn5.exe
                • Path C:\Users\Admin\AppData\Roaming\s4mn5.exe
                • Size 45KB
                • SHA256 0f65831c2ce9207125ef08551a81dac46566de8848375d73d659be1e7dbc1bf3
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/2116-12-0x00000000751B0000-0x000000007596C000-memory.dmp
                Download

                memory/2116-14-0x00000000751B0000-0x000000007596C000-memory.dmp
                Download

                memory/2472-40-0x000002B604C70000-0x000002B604C90000-memory.dmp
                Download

                memory/2472-55-0x000002B6051C0000-0x000002B6051E0000-memory.dmp
                Download

                memory/2472-41-0x000002B604E70000-0x000002B604F70000-memory.dmp
                Download

                memory/2472-43-0x000002B604DF0000-0x000002B604E10000-memory.dmp
                Download

                memory/2472-29-0x000002B6001E0000-0x000002B6002E0000-memory.dmp
                Download

                memory/4936-3-0x0000000005900000-0x000000000599C000-memory.dmp
                Download

                memory/4936-2-0x00000000751C0000-0x000000007597C000-memory.dmp
                Download

                memory/4936-9-0x00000000751C0000-0x000000007597C000-memory.dmp
                Download

                memory/4936-0-0x00000000751D2000-0x00000000751D3000-memory.dmp
                Download

                memory/4936-1-0x0000000000D00000-0x0000000000D12000-memory.dmp
                Download