Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/04/2026, 13:09

General

  • Target
    conhost206.exe
  • Size 45KB
  • Sample260423-qdzmcaev2s
  • SHA256 150e1a0e761d5c5ab5acbe4cda3735b4f860a05709efd5bb4e2c44f7a3b51ce0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • chetnguoi.net:6606

  • chetnguoi.net:7707

  • chetnguoi.net:8808

  • www.chetnguoi.net:6606

  • www.chetnguoi.net:7707

  • www.chetnguoi.net:8808

  • malware.chetnguoi.net:6606

  • malware.chetnguoi.net:7707

  • malware.chetnguoi.net:8808

Mutex
  • 1vGqgmOuGGDA

Attributes
  • delay

    3

  • install

    true

  • install_file

    Spotify1.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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\conhost206.exe
    "C:\Users\Admin\AppData\Local\Temp\conhost206.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Spotify1" /tr '"C:\Users\Admin\AppData\Roaming\Spotify1.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5956
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Spotify1" /tr '"C:\Users\Admin\AppData\Roaming\Spotify1.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3440
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp36CA.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3908
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:6112
      • C:\Users\Admin\AppData\Roaming\Spotify1.exe
        "C:\Users\Admin\AppData\Roaming\Spotify1.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:6004
  • C:\Users\Admin\AppData\Roaming\Spotify1.exe
    "C:\Users\Admin\AppData\Roaming\Spotify1.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5344

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp36CA.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp36CA.tmp.bat
        • Size 152B
        • SHA256 0f400e27a4557833706dd59a1c9cb1ad154c87d01fb0310a7ef07fc6fe34ae33
        • MD5 SHA1 SHA512 TLSH

        Spotify1.exe

        • Path C:\Users\Admin\AppData\Roaming\Spotify1.exe
        • Size 45KB
        • SHA256 150e1a0e761d5c5ab5acbe4cda3735b4f860a05709efd5bb4e2c44f7a3b51ce0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5344-19-0x0000000005260000-0x0000000005266000-memory.dmp

        memory/5344-18-0x00000000014B0000-0x00000000014BA000-memory.dmp

        memory/5344-17-0x0000000005180000-0x0000000005216000-memory.dmp

        memory/6004-15-0x0000000004AD0000-0x0000000004B66000-memory.dmp

        memory/6004-16-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

        memory/6068-7-0x0000000005180000-0x0000000005216000-memory.dmp

        memory/6068-9-0x0000000005760000-0x000000000579B000-memory.dmp

        memory/6068-0-0x00000000008A0000-0x00000000008B2000-memory.dmp

        memory/6068-8-0x0000000002C80000-0x0000000002C86000-memory.dmp

        memory/6068-2-0x0000000005340000-0x00000000053DC000-memory.dmp

        memory/6068-1-0x0000000005290000-0x00000000052A0000-memory.dmp