Analysis

  • max time kernel
    144s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2024, 01:41

General

  • Target
    ebb310f5714c3d699d2d5d526855695b24960415b28cc562075e6983a9ab686d.exe
  • Size 1.9MB
  • Sample240504-b4d11aaa6s
  • SHA256 ebb310f5714c3d699d2d5d526855695b24960415b28cc562075e6983a9ab686d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.18

C2
  • http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 10 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 3 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebb310f5714c3d699d2d5d526855695b24960415b28cc562075e6983a9ab686d.exe
    "C:\Users\Admin\AppData\Local\Temp\ebb310f5714c3d699d2d5d526855695b24960415b28cc562075e6983a9ab686d.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks computer location settings
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3216
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3208
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2540
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:1860
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\726321484195_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2772
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          PID:1784
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:3084
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:2988
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:2588

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          explorha.exe

          • Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
          • Size 1.9MB
          • SHA256 ebb310f5714c3d699d2d5d526855695b24960415b28cc562075e6983a9ab686d
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_ugld1t1k.df3.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ugld1t1k.df3.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          clip64.dll

          • Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll
          • Size 109KB
          • SHA256 12fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
          • MD5 SHA1 SHA512 SSDEEP

          cred64.dll

          • Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
          • Size 1.2MB
          • SHA256 3c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
          • MD5 SHA1 SHA512 SSDEEP

          memory/2588-84-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/2588-83-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/2772-45-0x000002BF42B80000-0x000002BF42B8A000-memory.dmp

          memory/2772-39-0x000002BF5B170000-0x000002BF5B192000-memory.dmp

          memory/2772-44-0x000002BF5B640000-0x000002BF5B652000-memory.dmp

          memory/2988-74-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/2988-75-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3084-55-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3084-54-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-53-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-70-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-21-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-20-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-52-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-82-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-19-0x0000000000781000-0x00000000007B0000-memory.dmp

          memory/3216-18-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-80-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-66-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-67-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-68-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-69-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-22-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-71-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-73-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-79-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-78-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-76-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/3216-77-0x0000000000780000-0x0000000000C49000-memory.dmp

          memory/4296-3-0x00000000004D0000-0x0000000000999000-memory.dmp

          memory/4296-5-0x00000000004D0000-0x0000000000999000-memory.dmp

          memory/4296-17-0x00000000004D0000-0x0000000000999000-memory.dmp

          memory/4296-0-0x00000000004D0000-0x0000000000999000-memory.dmp

          memory/4296-2-0x00000000004D1000-0x0000000000500000-memory.dmp

          memory/4296-1-0x0000000077444000-0x0000000077446000-memory.dmp