Analysis

  • max time kernel
    146s
  • max time network
    142s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/04/2024, 14:45

General

  • Target
    5bde20f9c027c8873930ad0807def570fdf3f81dea0f8de67fa1671aa938e6d7.exe
  • Size 1.8MB
  • Sample240403-r4tz8aee41
  • SHA256 5bde20f9c027c8873930ad0807def570fdf3f81dea0f8de67fa1671aa938e6d7
  • 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 4 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 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 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5bde20f9c027c8873930ad0807def570fdf3f81dea0f8de67fa1671aa938e6d7.exe
    "C:\Users\Admin\AppData\Local\Temp\5bde20f9c027c8873930ad0807def570fdf3f81dea0f8de67fa1671aa938e6d7.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4996
    • 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
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1792
      • 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:244
        • 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:1648
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:2484
            • 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\602636161432_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5100
        • 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:796
    • 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:4472
    • 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:828

    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 5bde20f9c027c8873930ad0807def570fdf3f81dea0f8de67fa1671aa938e6d7
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_3dnspr53.4ae.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3dnspr53.4ae.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/828-98-0x00000000057A0000-0x00000000057A1000-memory.dmp

          memory/828-96-0x0000000005770000-0x0000000005771000-memory.dmp

          memory/828-99-0x0000000005740000-0x0000000005741000-memory.dmp

          memory/828-97-0x0000000005760000-0x0000000005761000-memory.dmp

          memory/828-95-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/828-94-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/828-100-0x0000000005750000-0x0000000005751000-memory.dmp

          memory/828-101-0x0000000005780000-0x0000000005781000-memory.dmp

          memory/828-102-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-90-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-24-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-26-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

          memory/1792-25-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

          memory/1792-28-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

          memory/1792-27-0x0000000004E20000-0x0000000004E21000-memory.dmp

          memory/1792-29-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

          memory/1792-30-0x0000000004E40000-0x0000000004E41000-memory.dmp

          memory/1792-31-0x0000000004E30000-0x0000000004E31000-memory.dmp

          memory/1792-32-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-107-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-22-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-106-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-105-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-104-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-103-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-56-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-92-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-91-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-89-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-65-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-66-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-88-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-77-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/1792-87-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/4472-80-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/4472-81-0x00000000052A0000-0x00000000052A1000-memory.dmp

          memory/4472-82-0x0000000005290000-0x0000000005291000-memory.dmp

          memory/4472-83-0x00000000052D0000-0x00000000052D1000-memory.dmp

          memory/4472-84-0x0000000005270000-0x0000000005271000-memory.dmp

          memory/4472-85-0x0000000005280000-0x0000000005281000-memory.dmp

          memory/4472-86-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/4472-79-0x0000000000E40000-0x0000000001304000-memory.dmp

          memory/4996-9-0x0000000005720000-0x0000000005721000-memory.dmp

          memory/4996-3-0x00000000056C0000-0x00000000056C1000-memory.dmp

          memory/4996-0-0x0000000000B70000-0x0000000001034000-memory.dmp

          memory/4996-23-0x0000000000B70000-0x0000000001034000-memory.dmp

          memory/4996-1-0x0000000077C36000-0x0000000077C38000-memory.dmp

          memory/4996-10-0x0000000005710000-0x0000000005711000-memory.dmp

          memory/4996-8-0x00000000056D0000-0x00000000056D1000-memory.dmp

          memory/4996-6-0x0000000005690000-0x0000000005691000-memory.dmp

          memory/4996-7-0x00000000056A0000-0x00000000056A1000-memory.dmp

          memory/4996-2-0x0000000000B70000-0x0000000001034000-memory.dmp

          memory/4996-5-0x00000000056F0000-0x00000000056F1000-memory.dmp

          memory/4996-4-0x00000000056B0000-0x00000000056B1000-memory.dmp

          memory/5100-64-0x00007FF96F910000-0x00007FF9703D2000-memory.dmp

          memory/5100-57-0x000001FCEA870000-0x000001FCEA882000-memory.dmp

          memory/5100-54-0x000001FCEA760000-0x000001FCEA770000-memory.dmp

          memory/5100-55-0x000001FCEA760000-0x000001FCEA770000-memory.dmp

          memory/5100-53-0x00007FF96F910000-0x00007FF9703D2000-memory.dmp

          memory/5100-52-0x000001FCEA6C0000-0x000001FCEA6E2000-memory.dmp

          memory/5100-58-0x000001FCEA740000-0x000001FCEA74A000-memory.dmp