Analysis

  • max time kernel
    113s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 22:23

General

  • Target
    1f92795b00fc3b7291b9440c2eb696c0N.exe
  • Size 1.8MB
  • Sample240724-2az99a1aql
  • SHA256 067ff229884c58ebf87d7519a5cc37ba5d23a14ac02edd77465399f3b98a39e2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.30

Botnet
  • 4dd39d

C2
  • http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/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
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f92795b00fc3b7291b9440c2eb696c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\1f92795b00fc3b7291b9440c2eb696c0N.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4204
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1208
  • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
    C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:3704
  • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
    C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:2352

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        explorti.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
        • Size 1.8MB
        • SHA256 067ff229884c58ebf87d7519a5cc37ba5d23a14ac02edd77465399f3b98a39e2
        • MD5 SHA1 SHA512 SSDEEP

        memory/1208-32-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-31-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-40-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-39-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-26-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-38-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-17-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-18-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-19-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-20-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-21-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-22-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-34-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-33-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-23-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-30-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/1208-29-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/2352-36-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/2352-37-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/3704-28-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/3704-27-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/3704-25-0x00000000005E0000-0x0000000000A93000-memory.dmp

        memory/4204-1-0x00000000776F4000-0x00000000776F6000-memory.dmp

        memory/4204-0-0x00000000009B0000-0x0000000000E63000-memory.dmp

        memory/4204-2-0x00000000009B1000-0x00000000009DF000-memory.dmp

        memory/4204-16-0x00000000009B0000-0x0000000000E63000-memory.dmp

        memory/4204-5-0x00000000009B0000-0x0000000000E63000-memory.dmp

        memory/4204-3-0x00000000009B0000-0x0000000000E63000-memory.dmp