Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240319-en
  • resource tags

    arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/03/2024, 19:54

General

  • Target
    21c97b7886d56372292bf660056ce0ab83a6229afb23eb166caeb09f1927d5a3.exe
  • Size 1.9MB
  • Sample240327-ymjaqaaf99
  • SHA256 21c97b7886d56372292bf660056ce0ab83a6229afb23eb166caeb09f1927d5a3
  • 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.

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • 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 4 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21c97b7886d56372292bf660056ce0ab83a6229afb23eb166caeb09f1927d5a3.exe
    "C:\Users\Admin\AppData\Local\Temp\21c97b7886d56372292bf660056ce0ab83a6229afb23eb166caeb09f1927d5a3.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:1584
    • 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
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5072
      • C:\Users\Admin\AppData\Local\Temp\1000022001\b3d947c218.exe
        "C:\Users\Admin\AppData\Local\Temp\1000022001\b3d947c218.exe"
        3⤵
        • Executes dropped EXE
        PID:5108
      • 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:1060
        • 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:752
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:4564
            • 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\233663403127_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2496
        • 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:2032
    • 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:5116
    • 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:3672

    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 1.3MB
          • SHA256 80892d9e5ac65c8cf4ee54387bc11b811656760891e21f74065cac21d7846b34
          • MD5 SHA1 SHA512 SSDEEP

          explorha.exe

          • Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
          • Size 1.9MB
          • SHA256 21c97b7886d56372292bf660056ce0ab83a6229afb23eb166caeb09f1927d5a3
          • MD5 SHA1 SHA512 SSDEEP

          b3d947c218.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1000022001\b3d947c218.exe
          • Size 823KB
          • SHA256 a418e06af747884788a7797b82f523306c450f4082f078ac52dfb245e27dfe74
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_uc2ndraz.mfv.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uc2ndraz.mfv.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/1584-4-0x0000000004D80000-0x0000000004D81000-memory.dmp

          memory/1584-8-0x0000000004D50000-0x0000000004D51000-memory.dmp

          memory/1584-10-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

          memory/1584-9-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

          memory/1584-7-0x0000000004D40000-0x0000000004D41000-memory.dmp

          memory/1584-6-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

          memory/1584-5-0x0000000004D60000-0x0000000004D61000-memory.dmp

          memory/1584-22-0x00000000002C0000-0x0000000000795000-memory.dmp

          memory/1584-3-0x0000000004D70000-0x0000000004D71000-memory.dmp

          memory/1584-2-0x00000000002C0000-0x0000000000795000-memory.dmp

          memory/1584-1-0x00000000776D6000-0x00000000776D8000-memory.dmp

          memory/1584-0-0x00000000002C0000-0x0000000000795000-memory.dmp

          memory/2496-93-0x00000124C7C80000-0x00000124C7C8A000-memory.dmp

          memory/2496-88-0x00007FFCE4AA0000-0x00007FFCE5562000-memory.dmp

          memory/2496-87-0x00000124C7C90000-0x00000124C7CB2000-memory.dmp

          memory/2496-89-0x00000124C7C50000-0x00000124C7C60000-memory.dmp

          memory/2496-91-0x00000124C7C50000-0x00000124C7C60000-memory.dmp

          memory/2496-90-0x00000124C7C50000-0x00000124C7C60000-memory.dmp

          memory/2496-92-0x00000124C7D20000-0x00000124C7D32000-memory.dmp

          memory/2496-99-0x00007FFCE4AA0000-0x00007FFCE5562000-memory.dmp

          memory/3672-124-0x00000000057C0000-0x00000000057C1000-memory.dmp

          memory/3672-126-0x00000000057F0000-0x00000000057F1000-memory.dmp

          memory/3672-120-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/3672-129-0x00000000057E0000-0x00000000057E1000-memory.dmp

          memory/3672-128-0x0000000005790000-0x0000000005791000-memory.dmp

          memory/3672-125-0x00000000057A0000-0x00000000057A1000-memory.dmp

          memory/3672-127-0x0000000005780000-0x0000000005781000-memory.dmp

          memory/3672-123-0x00000000057B0000-0x00000000057B1000-memory.dmp

          memory/3672-122-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/3672-130-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-46-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-28-0x0000000005600000-0x0000000005601000-memory.dmp

          memory/5072-140-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-138-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-136-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-66-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-134-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-132-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-23-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-24-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-26-0x00000000055E0000-0x00000000055E1000-memory.dmp

          memory/5072-27-0x00000000055C0000-0x00000000055C1000-memory.dmp

          memory/5072-25-0x00000000055D0000-0x00000000055D1000-memory.dmp

          memory/5072-29-0x00000000055A0000-0x00000000055A1000-memory.dmp

          memory/5072-30-0x00000000055B0000-0x00000000055B1000-memory.dmp

          memory/5072-35-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-34-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-100-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-31-0x0000000005630000-0x0000000005631000-memory.dmp

          memory/5072-33-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-113-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-115-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-117-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5072-32-0x0000000005620000-0x0000000005621000-memory.dmp

          memory/5072-121-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5108-78-0x0000000000400000-0x00000000005D2000-memory.dmp

          memory/5108-63-0x0000000002310000-0x00000000023BB000-memory.dmp

          memory/5108-65-0x0000000000400000-0x00000000005D2000-memory.dmp

          memory/5108-101-0x0000000002310000-0x00000000023BB000-memory.dmp

          memory/5108-64-0x0000000002410000-0x000000000254B000-memory.dmp

          memory/5116-45-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5116-41-0x0000000005300000-0x0000000005301000-memory.dmp

          memory/5116-40-0x00000000052C0000-0x00000000052C1000-memory.dmp

          memory/5116-39-0x00000000052D0000-0x00000000052D1000-memory.dmp

          memory/5116-42-0x00000000052A0000-0x00000000052A1000-memory.dmp

          memory/5116-38-0x0000000000D00000-0x00000000011D5000-memory.dmp

          memory/5116-43-0x00000000052B0000-0x00000000052B1000-memory.dmp

          memory/5116-44-0x00000000052E0000-0x00000000052E1000-memory.dmp

          memory/5116-37-0x0000000000D00000-0x00000000011D5000-memory.dmp