Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 14:16

General

  • Target

    2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe

  • Size

    140KB

  • MD5

    a4ddde2d6e9370b5cc5572f97eb2071d

  • SHA1

    ee88603b9e64f3af4de73a3a5f6f2676a84dafd8

  • SHA256

    2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b

  • SHA512

    5174a7bbe499db1e0a2ba944d11e6c70c308265962376a0577f1816f9b88afe185b55fa3a649e722ad753c05d4ccd0a26c3d0dc0a9142a57e5ae850d7912b247

  • SSDEEP

    3072:FiGpa7x6bEGuXYEzNfRWtA2zvigEyapFS/b6JQ9LaeMR:FiKa7kbwoEZqji9i/6QnQ

Malware Config

Extracted

Family

asyncrat

Version

| nelsontriana980

Botnet

Asegurar-Casa

C2

subdominiodesub.duckdns.org:1111

Mutex

AsyncMutex_GNhcP0aLwKV1

Attributes
  • delay

    3

  • install

    false

  • install_file

    WD.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe
    "C:\Users\Admin\AppData\Local\Temp\2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4120
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppDATE"
      2⤵
        PID:2324
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppDATE\AppDATE.exe'" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppDATE\AppDATE.exe'" /f
          3⤵
          • Creates scheduled task(s)
          PID:4024
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe" "C:\Users\Admin\AppData\Roaming\AppDATE\AppDATE.exe"
        2⤵
          PID:3960

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1348-0-0x00000000009F0000-0x0000000000A18000-memory.dmp

        Filesize

        160KB

      • memory/1348-1-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/1348-2-0x0000000005480000-0x0000000005490000-memory.dmp

        Filesize

        64KB

      • memory/1348-3-0x0000000005A40000-0x0000000005FE4000-memory.dmp

        Filesize

        5.6MB

      • memory/1348-10-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/4120-5-0x0000000000710000-0x0000000000726000-memory.dmp

        Filesize

        88KB

      • memory/4120-6-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/4120-11-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

        Filesize

        64KB

      • memory/4120-12-0x00000000052F0000-0x0000000005382000-memory.dmp

        Filesize

        584KB

      • memory/4120-13-0x00000000052E0000-0x00000000052EA000-memory.dmp

        Filesize

        40KB

      • memory/4120-14-0x0000000074BB0000-0x0000000075360000-memory.dmp

        Filesize

        7.7MB

      • memory/4120-15-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

        Filesize

        64KB