Analysis

  • max time kernel
    142s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2024, 08:30

General

  • Target
    file.exe
  • Size 1.9MB
  • Sample240809-kd6g1ayclq
  • SHA256 5b5bf668ffd5c6c115b5246fdbfca8028a5e829131badd1fa3202422afe8c73e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.41

Botnet
  • 0657d1

C2
  • http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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:4540
    • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:2420
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=1044 /prefetch:8
    1⤵
      PID:3912
    • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
      C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:4416
    • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
      C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:4668

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          explorti.exe

          • Path C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
          • Size 1.9MB
          • SHA256 5b5bf668ffd5c6c115b5246fdbfca8028a5e829131badd1fa3202422afe8c73e
          • MD5 SHA1 SHA512 SSDEEP

          memory/2420-27-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-39-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-48-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-47-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-46-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-45-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-18-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-19-0x0000000000F51000-0x0000000000F7F000-memory.dmp

          memory/2420-20-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-21-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-22-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-23-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-24-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-25-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-26-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-40-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-38-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-37-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-28-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-36-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/2420-35-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/4416-34-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/4416-32-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/4416-30-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/4416-31-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/4540-2-0x0000000000411000-0x000000000043F000-memory.dmp

          memory/4540-0-0x0000000000410000-0x00000000008E1000-memory.dmp

          memory/4540-17-0x0000000000410000-0x00000000008E1000-memory.dmp

          memory/4540-1-0x00000000770F4000-0x00000000770F6000-memory.dmp

          memory/4540-4-0x0000000000410000-0x00000000008E1000-memory.dmp

          memory/4540-3-0x0000000000410000-0x00000000008E1000-memory.dmp

          memory/4668-42-0x0000000000F50000-0x0000000001421000-memory.dmp

          memory/4668-44-0x0000000000F50000-0x0000000001421000-memory.dmp