Analysis

  • max time kernel
    39s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 08:25

General

  • Target

    Report.ps1

  • Size

    151KB

  • MD5

    054618073752ea5823c98130114a3241

  • SHA1

    fa0b6774ce03cd7d58d8ae6e35c3af7ab5a31e0a

  • SHA256

    bb3f2ff46e9dae66cf62c6e7606a66d02b65abc8dac96e96acd554ebf6fd40ad

  • SHA512

    a4f8c512f1a453a0ee106076111ca085d1d584c7cbae9343c253297f637d40114a2c412ead91761be9f8dbbd3f6c092ca47bb3aa7837fe0e5e34d0a959a4ab79

  • SSDEEP

    1536:seS5tcblb19Uctb+Kl0yhfes/bapbXEX2SgDQHWGjKdAqNvRKIPQryxWB9C7Dsi+:PSTI9UcZ3n39C7Dsi3br3ApuL4QzC

Malware Config

Extracted

Family

asyncrat

Version

A9

Botnet

Default

C2

services-line2.freeddns.org:5500

Mutex

AsyncMutex_6SI8OkSKO

Attributes
  • delay

    3

  • install

    false

  • install_file

    ShellExperienceHost.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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Report.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
        PID:4268
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        2⤵
          PID:4844
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3556

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yserrry2.05j.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2680-17-0x00007FFBF81B0000-0x00007FFBF8C71000-memory.dmp

        Filesize

        10.8MB

      • memory/2680-6-0x000001E841E20000-0x000001E841E42000-memory.dmp

        Filesize

        136KB

      • memory/2680-11-0x00007FFBF81B0000-0x00007FFBF8C71000-memory.dmp

        Filesize

        10.8MB

      • memory/2680-12-0x00007FFBF81B0000-0x00007FFBF8C71000-memory.dmp

        Filesize

        10.8MB

      • memory/2680-13-0x000001E841E50000-0x000001E841E5A000-memory.dmp

        Filesize

        40KB

      • memory/2680-0-0x00007FFBF81B3000-0x00007FFBF81B5000-memory.dmp

        Filesize

        8KB

      • memory/3556-18-0x000000007515E000-0x000000007515F000-memory.dmp

        Filesize

        4KB

      • memory/3556-14-0x0000000000400000-0x0000000000416000-memory.dmp

        Filesize

        88KB

      • memory/3556-19-0x0000000075150000-0x0000000075900000-memory.dmp

        Filesize

        7.7MB

      • memory/3556-20-0x0000000005600000-0x0000000005BA4000-memory.dmp

        Filesize

        5.6MB

      • memory/3556-21-0x0000000005230000-0x00000000052C2000-memory.dmp

        Filesize

        584KB

      • memory/3556-22-0x0000000005220000-0x000000000522A000-memory.dmp

        Filesize

        40KB

      • memory/3556-25-0x0000000006440000-0x00000000064DC000-memory.dmp

        Filesize

        624KB

      • memory/3556-26-0x0000000005F20000-0x0000000005F86000-memory.dmp

        Filesize

        408KB

      • memory/3556-27-0x000000007515E000-0x000000007515F000-memory.dmp

        Filesize

        4KB

      • memory/3556-28-0x0000000075150000-0x0000000075900000-memory.dmp

        Filesize

        7.7MB