Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 08:25

General

  • Target
    KD202411130055-1.js
  • Size 453KB
  • Sample260930-kbg2masbre
  • SHA256 49308c3534268b0f2b44bcd7d11938f2df9457f1fab60cab3fe1c7ce826cac47
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • lg.sonqhong.com:80

  • lg.sonqhong.com:443

  • lg.sonqhong.com:8080

Mutex
  • 8KlUBhFQHvym

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound 2 IoCs

    Network activity triggered a Suricata alert

  • Async RAT payload 1 IoCs
  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\KD202411130055-1.js
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\ProgramData\3phffxwi\3phffxwi.ps1"
      2⤵
      • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5776
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3164

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          3phffxwi.ps1

          • Path C:\ProgramData\3phffxwi\3phffxwi.ps1
          • Size 100KB
          • SHA256 73187f90e95a16f2f002a522d5ebbc0a36beda32fd85abd6ebb3ef63e118d17e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5776-23-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-1-0x00007FFE276FF000-0x00007FFE27700000-memory.dmp

          memory/5776-3-0x000001D6DF580000-0x000001D6DF5A2000-memory.dmp

          memory/5776-5-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-6-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-2-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-9-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-11-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-12-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-13-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-14-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-15-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-19-0x000001D6F7AF0000-0x000001D6F7BA2000-memory.dmp

          memory/5776-20-0x000001D6F7850000-0x000001D6F785A000-memory.dmp

          memory/5776-18-0x000001D6F7860000-0x000001D6F787E000-memory.dmp

          memory/5776-21-0x000001D6F78A0000-0x000001D6F78BE000-memory.dmp

          memory/5776-4-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-22-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-24-0x000001D6F7880000-0x000001D6F788A000-memory.dmp

          memory/5776-25-0x000001D6F7E00000-0x000001D6F7E1C000-memory.dmp

          memory/5776-26-0x000001D6F7890000-0x000001D6F7898000-memory.dmp

          memory/5776-27-0x000001D6F78C0000-0x000001D6F78C6000-memory.dmp

          memory/5776-28-0x000001D6F78D0000-0x000001D6F78DA000-memory.dmp

          memory/5776-29-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-30-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-31-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-32-0x000001D6F7810000-0x000001D6F7822000-memory.dmp

          memory/5776-36-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-37-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-38-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-39-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-40-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-41-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-42-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp

          memory/5776-43-0x00007FFE27570000-0x00007FFE27F14000-memory.dmp