Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08/04/2024, 00:36

General

  • Target
    21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe
  • Size 1.9MB
  • Sample240408-ayd85sbd9v
  • SHA256 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f
  • 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\21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.exe
    "C:\Users\Admin\AppData\Local\Temp\21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f.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:2808
    • 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:4360
      • 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:2876
        • 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:1120
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:4028
            • 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:2448
        • 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:224
    • 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
    • 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:3808

    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 21dc2f6dea933cd618792fa5f6628c4620641a73f6380867be77385db7ef683f
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_ask0g132.qzs.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ask0g132.qzs.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/1336-87-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/1336-86-0x0000000005510000-0x0000000005511000-memory.dmp

          memory/1336-85-0x00000000054E0000-0x00000000054E1000-memory.dmp

          memory/1336-84-0x00000000054D0000-0x00000000054D1000-memory.dmp

          memory/1336-83-0x0000000005530000-0x0000000005531000-memory.dmp

          memory/1336-82-0x00000000054F0000-0x00000000054F1000-memory.dmp

          memory/1336-81-0x0000000005500000-0x0000000005501000-memory.dmp

          memory/1336-80-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/2448-57-0x000002477E1A0000-0x000002477E1B2000-memory.dmp

          memory/2448-58-0x000002477DFC0000-0x000002477DFCA000-memory.dmp

          memory/2448-64-0x00007FFB3E710000-0x00007FFB3F1D2000-memory.dmp

          memory/2448-56-0x000002477DFD0000-0x000002477DFE0000-memory.dmp

          memory/2448-54-0x000002477DFD0000-0x000002477DFE0000-memory.dmp

          memory/2448-52-0x000002477E110000-0x000002477E132000-memory.dmp

          memory/2448-53-0x00007FFB3E710000-0x00007FFB3F1D2000-memory.dmp

          memory/2808-8-0x0000000005800000-0x0000000005801000-memory.dmp

          memory/2808-7-0x00000000057D0000-0x00000000057D1000-memory.dmp

          memory/2808-6-0x00000000057C0000-0x00000000057C1000-memory.dmp

          memory/2808-1-0x00000000779A6000-0x00000000779A8000-memory.dmp

          memory/2808-2-0x0000000000D40000-0x0000000001214000-memory.dmp

          memory/2808-23-0x0000000000D40000-0x0000000001214000-memory.dmp

          memory/2808-4-0x00000000057E0000-0x00000000057E1000-memory.dmp

          memory/2808-9-0x0000000005850000-0x0000000005851000-memory.dmp

          memory/2808-10-0x0000000005840000-0x0000000005841000-memory.dmp

          memory/2808-5-0x0000000005820000-0x0000000005821000-memory.dmp

          memory/2808-3-0x00000000057F0000-0x00000000057F1000-memory.dmp

          memory/2808-0-0x0000000000D40000-0x0000000001214000-memory.dmp

          memory/3808-98-0x0000000005200000-0x0000000005201000-memory.dmp

          memory/3808-102-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/3808-101-0x00000000051E0000-0x00000000051E1000-memory.dmp

          memory/3808-100-0x00000000051B0000-0x00000000051B1000-memory.dmp

          memory/3808-99-0x00000000051A0000-0x00000000051A1000-memory.dmp

          memory/3808-97-0x00000000051C0000-0x00000000051C1000-memory.dmp

          memory/3808-95-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/3808-96-0x00000000051D0000-0x00000000051D1000-memory.dmp

          memory/4360-77-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-78-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-76-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-65-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-55-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-22-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-32-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-88-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-89-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-90-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-91-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-92-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-93-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-31-0x0000000004B50000-0x0000000004B51000-memory.dmp

          memory/4360-30-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

          memory/4360-29-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

          memory/4360-28-0x0000000004B30000-0x0000000004B31000-memory.dmp

          memory/4360-25-0x0000000004B00000-0x0000000004B01000-memory.dmp

          memory/4360-27-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

          memory/4360-26-0x0000000004B10000-0x0000000004B11000-memory.dmp

          memory/4360-24-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-103-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-104-0x0000000000DA0000-0x0000000001274000-memory.dmp

          memory/4360-105-0x0000000000DA0000-0x0000000001274000-memory.dmp