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
    03/08/2026, 07:01

General

  • Target
    e65d605266c898b3efb47d34f4caadf60daa58bd3bbcc67702a70c055cdda3fb.exe
  • Size 45KB
  • Sample260803-htq15s1bme
  • SHA256 e65d605266c898b3efb47d34f4caadf60daa58bd3bbcc67702a70c055cdda3fb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • viet69i.com:80

  • viet69i.com:22

  • viet69i.com:8080

  • viet69i.com:8880

  • viet69i.com:2052

  • viet69i.com:2082

  • viet69i.com:2086

  • viet69i.com:2095

  • viet69i.com:443

  • viet69i.com:2053

  • viet69i.com:2083

  • viet69i.com:2087

  • viet69i.com:2096

  • viet69i.com:8443

  • www.viet69i.com:80

  • www.viet69i.com:22

  • www.viet69i.com:8080

  • www.viet69i.com:8880

  • www.viet69i.com:2052

  • www.viet69i.com:2082

Mutex
  • 5BkwDswL83as

Attributes
  • delay

    0

  • install

    true

  • install_file

    lbhx.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).

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e65d605266c898b3efb47d34f4caadf60daa58bd3bbcc67702a70c055cdda3fb.exe
    "C:\Users\Admin\AppData\Local\Temp\e65d605266c898b3efb47d34f4caadf60daa58bd3bbcc67702a70c055cdda3fb.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "lbhx" /tr '"C:\Users\Admin\AppData\Roaming\lbhx.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "lbhx" /tr '"C:\Users\Admin\AppData\Roaming\lbhx.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4444
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp28EB.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3920
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4616
      • C:\Users\Admin\AppData\Roaming\lbhx.exe
        "C:\Users\Admin\AppData\Roaming\lbhx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3284
  • C:\Users\Admin\AppData\Roaming\lbhx.exe
    "C:\Users\Admin\AppData\Roaming\lbhx.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2680

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp28EB.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp28EB.tmp.bat
        • Size 148B
        • SHA256 41ea5b015eebceec5db4ced39b902a8b8ecb31c9d012638f4aec054903e5ddd0
        • MD5 SHA1 SHA512 TLSH

        lbhx.exe

        • Path C:\Users\Admin\AppData\Roaming\lbhx.exe
        • Size 45KB
        • SHA256 e65d605266c898b3efb47d34f4caadf60daa58bd3bbcc67702a70c055cdda3fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2132-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp

        memory/2132-1-0x0000000000E60000-0x0000000000E72000-memory.dmp

        memory/2132-2-0x0000000074DE0000-0x000000007559C000-memory.dmp

        memory/2132-3-0x0000000005A30000-0x0000000005ACC000-memory.dmp

        memory/2132-9-0x0000000074DE0000-0x000000007559C000-memory.dmp

        memory/2680-12-0x0000000074DE0000-0x000000007559C000-memory.dmp

        memory/2680-14-0x0000000074DE0000-0x000000007559C000-memory.dmp