Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 11:30

General

  • Target
    914a46a822e3ab38face2b5ba4b39b1f3df6a9d808ed4772e68f673a72aa0c8b.exe
  • Size 45KB
  • Sample260710-nmemesav7j
  • SHA256 914a46a822e3ab38face2b5ba4b39b1f3df6a9d808ed4772e68f673a72aa0c8b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • lophimsexviet.com:80

  • lophimsexviet.com:22

  • lophimsexviet.com:8080

  • lophimsexviet.com:8880

  • lophimsexviet.com:2052

  • lophimsexviet.com:2082

  • lophimsexviet.com:2086

  • lophimsexviet.com:2095

  • lophimsexviet.com:443

  • lophimsexviet.com:2053

  • lophimsexviet.com:2083

  • lophimsexviet.com:2087

  • lophimsexviet.com:2096

  • lophimsexviet.com:8443

  • www.lophimsexviet.com:80

  • www.lophimsexviet.com:22

  • www.lophimsexviet.com:8080

  • www.lophimsexviet.com:8880

  • www.lophimsexviet.com:2052

  • www.lophimsexviet.com:2082

Mutex
  • YWmxbiVAd5nW

Attributes
  • delay

    0

  • install

    true

  • install_file

    kf3tvlm9.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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\914a46a822e3ab38face2b5ba4b39b1f3df6a9d808ed4772e68f673a72aa0c8b.exe
    "C:\Users\Admin\AppData\Local\Temp\914a46a822e3ab38face2b5ba4b39b1f3df6a9d808ed4772e68f673a72aa0c8b.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "kf3tvlm9" /tr '"C:\Users\Admin\AppData\Roaming\kf3tvlm9.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4292
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "kf3tvlm9" /tr '"C:\Users\Admin\AppData\Roaming\kf3tvlm9.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3164
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEF3D.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4192
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4472
      • C:\Users\Admin\AppData\Roaming\kf3tvlm9.exe
        "C:\Users\Admin\AppData\Roaming\kf3tvlm9.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5936
  • C:\Users\Admin\AppData\Roaming\kf3tvlm9.exe
    "C:\Users\Admin\AppData\Roaming\kf3tvlm9.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2428

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpEF3D.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpEF3D.tmp.bat
        • Size 152B
        • SHA256 e8de8b2134a454275861f81613184906cfce36e9a09d565be212b30e0f1751b0
        • MD5 SHA1 SHA512 TLSH

        kf3tvlm9.exe

        • Path C:\Users\Admin\AppData\Roaming\kf3tvlm9.exe
        • Size 45KB
        • SHA256 914a46a822e3ab38face2b5ba4b39b1f3df6a9d808ed4772e68f673a72aa0c8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2428-12-0x00000000741B0000-0x000000007496C000-memory.dmp

        memory/2428-14-0x00000000741B0000-0x000000007496C000-memory.dmp

        memory/2816-0-0x0000000074332000-0x0000000074333000-memory.dmp

        memory/2816-1-0x00000000003D0000-0x00000000003E2000-memory.dmp

        memory/2816-2-0x0000000074320000-0x0000000074ADC000-memory.dmp

        memory/2816-3-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

        memory/2816-8-0x0000000074320000-0x0000000074ADC000-memory.dmp