Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/09/2026, 12:30

General

  • Target
    d7fdf7a1f29c513e213bcfc6e860f0b2511d2e328c0ed4dd3ed5fd92b5478531.exe
  • Size 45KB
  • Sample260919-ppkf5afd54
  • SHA256 d7fdf7a1f29c513e213bcfc6e860f0b2511d2e328c0ed4dd3ed5fd92b5478531
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • viet69no1.net:80

  • viet69no1.net:22

  • viet69no1.net:8080

  • viet69no1.net:8880

  • viet69no1.net:2052

  • viet69no1.net:2082

  • viet69no1.net:2086

  • viet69no1.net:2095

  • viet69no1.net:443

  • viet69no1.net:2053

  • viet69no1.net:2083

  • viet69no1.net:2087

  • viet69no1.net:2096

  • viet69no1.net:8443

  • www.viet69no1.net:80

  • www.viet69no1.net:22

  • www.viet69no1.net:8080

  • www.viet69no1.net:8880

  • www.viet69no1.net:2052

  • www.viet69no1.net:2082

Mutex
  • 9aqzWGBKKGrg

Attributes
  • delay

    0

  • install

    true

  • install_file

    lhnafurt.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 3 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\d7fdf7a1f29c513e213bcfc6e860f0b2511d2e328c0ed4dd3ed5fd92b5478531.exe
    "C:\Users\Admin\AppData\Local\Temp\d7fdf7a1f29c513e213bcfc6e860f0b2511d2e328c0ed4dd3ed5fd92b5478531.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5284
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "lhnafurt" /tr '"C:\Users\Admin\AppData\Roaming\lhnafurt.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5988
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "lhnafurt" /tr '"C:\Users\Admin\AppData\Roaming\lhnafurt.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1696
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFF4.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4520
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:644
      • C:\Users\Admin\AppData\Roaming\lhnafurt.exe
        "C:\Users\Admin\AppData\Roaming\lhnafurt.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3000
  • C:\Users\Admin\AppData\Roaming\lhnafurt.exe
    "C:\Users\Admin\AppData\Roaming\lhnafurt.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1736

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpFF4.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpFF4.tmp.bat
        • Size 151B
        • SHA256 dac5d6acd8e3dc55292416202b3c4651a682baaae391af267156714f01cb4cab
        • MD5 SHA1 SHA512 TLSH

        lhnafurt.exe

        • Path C:\Users\Admin\AppData\Roaming\lhnafurt.exe
        • Size 45KB
        • SHA256 d7fdf7a1f29c513e213bcfc6e860f0b2511d2e328c0ed4dd3ed5fd92b5478531
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1736-12-0x00000000743C0000-0x0000000074B7C000-memory.dmp

        memory/1736-14-0x00000000743C0000-0x0000000074B7C000-memory.dmp

        memory/5284-0-0x00000000743D2000-0x00000000743D3000-memory.dmp

        memory/5284-1-0x0000000000230000-0x0000000000242000-memory.dmp

        memory/5284-2-0x00000000743C0000-0x0000000074B7C000-memory.dmp

        memory/5284-3-0x0000000004D50000-0x0000000004DEC000-memory.dmp

        memory/5284-9-0x00000000743C0000-0x0000000074B7C000-memory.dmp