Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2024, 11:26

General

  • Target
    f07d8c5c4636d4f681d037ac4c88212a364d805b67378b1a6a01853c660d60d1.exe
  • Size 1.8MB
  • Sample240504-nj3vvafd49
  • SHA256 f07d8c5c4636d4f681d037ac4c88212a364d805b67378b1a6a01853c660d60d1
  • 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\f07d8c5c4636d4f681d037ac4c88212a364d805b67378b1a6a01853c660d60d1.exe
    "C:\Users\Admin\AppData\Local\Temp\f07d8c5c4636d4f681d037ac4c88212a364d805b67378b1a6a01853c660d60d1.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:2424
    • 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:1576
      • 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:3008
        • 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:3120
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:4912
            • 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\162180587977_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2468
        • 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:3656
    • 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:3248
    • 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:1528
    • 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:1336

    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 1.8MB
          • SHA256 f07d8c5c4636d4f681d037ac4c88212a364d805b67378b1a6a01853c660d60d1
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_pb1eoshr.1ky.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pb1eoshr.1ky.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/1336-84-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1336-83-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1528-75-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1528-74-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-52-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-51-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-21-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-22-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-19-0x0000000000E91000-0x0000000000EC0000-memory.dmp

          memory/1576-81-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-18-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-80-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-79-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-72-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-78-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-77-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-64-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-76-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-20-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-67-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-68-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-69-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-70-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/1576-71-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/2424-3-0x0000000000D50000-0x0000000001202000-memory.dmp

          memory/2424-5-0x0000000000D50000-0x0000000001202000-memory.dmp

          memory/2424-17-0x0000000000D50000-0x0000000001202000-memory.dmp

          memory/2424-0-0x0000000000D50000-0x0000000001202000-memory.dmp

          memory/2424-2-0x0000000000D51000-0x0000000000D80000-memory.dmp

          memory/2424-1-0x00000000779F4000-0x00000000779F6000-memory.dmp

          memory/2468-45-0x000001C5FC030000-0x000001C5FC03A000-memory.dmp

          memory/2468-44-0x000001C5FC050000-0x000001C5FC062000-memory.dmp

          memory/2468-39-0x000001C5E3070000-0x000001C5E3092000-memory.dmp

          memory/3248-66-0x0000000000E90000-0x0000000001342000-memory.dmp

          memory/3248-65-0x0000000000E90000-0x0000000001342000-memory.dmp