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Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2024, 15:25

General

  • Target

    9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe

  • Size

    1.8MB

  • MD5

    fa6419e8f5a6bee481357f2a1f40efeb

  • SHA1

    666ca974b3918ca19323fe9813a14cb4790f028f

  • SHA256

    9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421

  • SHA512

    862feebede8863728cc3d34b48c0d3acea31279e96c39957a8b4e84f7d771ce65c7620a6fbeb80dd2e8c0bc9d6117e8d6ac63afeac3d0d0b89e28a48e1dc5dfa

  • SSDEEP

    49152:3/1G+rnmxTDSNCpLm3AThjsWq4YYFreG:Po+rnmxTDSYpLhj9ZeG

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 5 IoCs
  • Checks BIOS information in registry 2 TTPs 10 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 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
    "C:\Users\Admin\AppData\Local\Temp\9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4244
    • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:1432
  • 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:5088
  • 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:3100
  • 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:2148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

    Filesize

    1.8MB

    MD5

    fa6419e8f5a6bee481357f2a1f40efeb

    SHA1

    666ca974b3918ca19323fe9813a14cb4790f028f

    SHA256

    9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421

    SHA512

    862feebede8863728cc3d34b48c0d3acea31279e96c39957a8b4e84f7d771ce65c7620a6fbeb80dd2e8c0bc9d6117e8d6ac63afeac3d0d0b89e28a48e1dc5dfa

  • memory/1432-21-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-23-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-44-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-43-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-34-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-16-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-42-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-19-0x0000000000A41000-0x0000000000A6F000-memory.dmp

    Filesize

    184KB

  • memory/1432-20-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-24-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-33-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-22-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-35-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-41-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-27-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-40-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-39-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-30-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-31-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/1432-32-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/2148-46-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/2148-48-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/3100-37-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/3100-38-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/4244-0-0x00000000000A0000-0x0000000000558000-memory.dmp

    Filesize

    4.7MB

  • memory/4244-18-0x00000000000A0000-0x0000000000558000-memory.dmp

    Filesize

    4.7MB

  • memory/4244-5-0x00000000000A0000-0x0000000000558000-memory.dmp

    Filesize

    4.7MB

  • memory/4244-3-0x00000000000A0000-0x0000000000558000-memory.dmp

    Filesize

    4.7MB

  • memory/4244-2-0x00000000000A1000-0x00000000000CF000-memory.dmp

    Filesize

    184KB

  • memory/4244-1-0x0000000077BA4000-0x0000000077BA6000-memory.dmp

    Filesize

    8KB

  • memory/5088-29-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/5088-28-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB

  • memory/5088-26-0x0000000000A40000-0x0000000000EF8000-memory.dmp

    Filesize

    4.7MB