Analysis

  • max time kernel
    170s
  • max time network
    163s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/03/2024, 00:42

General

  • Target
    e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe
  • Size 1.9MB
  • Sample240327-a2pt2sga82
  • SHA256 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a
  • 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\e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.exe
    "C:\Users\Admin\AppData\Local\Temp\e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a.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:1176
    • 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:2772
      • 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:956
        • 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:860
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:1012
            • 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\852399462405_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1504
        • 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:4132
    • 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:2684
    • 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:3824

    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 e1bf8c5f9fc8c88ccb13fb3e658e76d95a76e311d8c16bd6bf9ad15d565bc28a
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_4i4oovyt.qcu.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4i4oovyt.qcu.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/1176-8-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

          memory/1176-5-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

          memory/1176-6-0x0000000005020000-0x0000000005021000-memory.dmp

          memory/1176-7-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

          memory/1176-1-0x00000000778B6000-0x00000000778B8000-memory.dmp

          memory/1176-10-0x0000000005040000-0x0000000005041000-memory.dmp

          memory/1176-9-0x0000000005050000-0x0000000005051000-memory.dmp

          memory/1176-3-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

          memory/1176-22-0x0000000000C00000-0x00000000010D4000-memory.dmp

          memory/1176-2-0x0000000000C00000-0x00000000010D4000-memory.dmp

          memory/1176-4-0x0000000005000000-0x0000000005001000-memory.dmp

          memory/1176-0-0x0000000000C00000-0x00000000010D4000-memory.dmp

          memory/1504-58-0x0000015AA3680000-0x0000015AA3690000-memory.dmp

          memory/1504-59-0x0000015ABBE30000-0x0000015ABBE42000-memory.dmp

          memory/1504-57-0x0000015AA3680000-0x0000015AA3690000-memory.dmp

          memory/1504-56-0x00007FF9E5BD0000-0x00007FF9E6692000-memory.dmp

          memory/1504-60-0x0000015ABBE10000-0x0000015ABBE1A000-memory.dmp

          memory/1504-47-0x0000015AA3B60000-0x0000015AA3B82000-memory.dmp

          memory/1504-66-0x00007FF9E5BD0000-0x00007FF9E6692000-memory.dmp

          memory/2684-74-0x0000000004F50000-0x0000000004F51000-memory.dmp

          memory/2684-68-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2684-69-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2684-70-0x0000000004F80000-0x0000000004F81000-memory.dmp

          memory/2684-72-0x0000000004F70000-0x0000000004F71000-memory.dmp

          memory/2684-71-0x0000000004F90000-0x0000000004F91000-memory.dmp

          memory/2684-73-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

          memory/2684-75-0x0000000004F60000-0x0000000004F61000-memory.dmp

          memory/2684-76-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-28-0x0000000005130000-0x0000000005131000-memory.dmp

          memory/2772-90-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-34-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-33-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-31-0x0000000005150000-0x0000000005151000-memory.dmp

          memory/2772-32-0x0000000005140000-0x0000000005141000-memory.dmp

          memory/2772-30-0x00000000050E0000-0x00000000050E1000-memory.dmp

          memory/2772-29-0x00000000050D0000-0x00000000050D1000-memory.dmp

          memory/2772-26-0x0000000005100000-0x0000000005101000-memory.dmp

          memory/2772-27-0x00000000050F0000-0x00000000050F1000-memory.dmp

          memory/2772-25-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-24-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-86-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-88-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-89-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-46-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-91-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-92-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-107-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-106-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-105-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-104-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/2772-103-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/3824-99-0x00000000053C0000-0x00000000053C1000-memory.dmp

          memory/3824-100-0x00000000053D0000-0x00000000053D1000-memory.dmp

          memory/3824-101-0x0000000005420000-0x0000000005421000-memory.dmp

          memory/3824-102-0x00000000001E0000-0x00000000006B4000-memory.dmp

          memory/3824-98-0x0000000005430000-0x0000000005431000-memory.dmp

          memory/3824-97-0x00000000053E0000-0x00000000053E1000-memory.dmp

          memory/3824-96-0x0000000005400000-0x0000000005401000-memory.dmp

          memory/3824-95-0x00000000053F0000-0x00000000053F1000-memory.dmp

          memory/3824-94-0x00000000001E0000-0x00000000006B4000-memory.dmp