Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 10:14

General

  • Target

    43a7959fc9d12d7622363b2637e2526a6ccca3cfcaed62b5e6371055ca3ed9a4.exe

  • Size

    1.8MB

  • MD5

    d66773a4b1da6f1730b509ec52f83cc5

  • SHA1

    569a457997984885f24a9a42430d3305af01032f

  • SHA256

    43a7959fc9d12d7622363b2637e2526a6ccca3cfcaed62b5e6371055ca3ed9a4

  • SHA512

    df4d2190b703edd7c7668e060be299ed9e7fda48378b33a1028dca9c7d08fa3e2b2a062314bc557f9037ca5f99f944b0fed4e053ade455e2c03ea5f9c40d9ede

  • SSDEEP

    49152:bgwZCajvWZ4q8GhAjz6xcry5E6fWKwVOeGcc6foS:swZCLSq8GhAScry5EsWRVBuCoS

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

C2

http://147.45.47.155

Attributes
  • install_dir

    9217037dc9

  • install_file

    explortu.exe

  • strings_key

    8e894a8a4a3d0da8924003a561cfb244

  • url_paths

    /ku4Nor9/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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43a7959fc9d12d7622363b2637e2526a6ccca3cfcaed62b5e6371055ca3ed9a4.exe
    "C:\Users\Admin\AppData\Local\Temp\43a7959fc9d12d7622363b2637e2526a6ccca3cfcaed62b5e6371055ca3ed9a4.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 WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
      "C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:3644
  • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
    C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:3696
  • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
    C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:3376
  • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
    C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4004

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
    Filesize

    1.8MB

    MD5

    d66773a4b1da6f1730b509ec52f83cc5

    SHA1

    569a457997984885f24a9a42430d3305af01032f

    SHA256

    43a7959fc9d12d7622363b2637e2526a6ccca3cfcaed62b5e6371055ca3ed9a4

    SHA512

    df4d2190b703edd7c7668e060be299ed9e7fda48378b33a1028dca9c7d08fa3e2b2a062314bc557f9037ca5f99f944b0fed4e053ade455e2c03ea5f9c40d9ede

  • memory/1388-1-0x0000000077A24000-0x0000000077A26000-memory.dmp
    Filesize

    8KB

  • memory/1388-2-0x0000000000831000-0x000000000085F000-memory.dmp
    Filesize

    184KB

  • memory/1388-3-0x0000000000830000-0x0000000000CF2000-memory.dmp
    Filesize

    4.8MB

  • memory/1388-5-0x0000000000830000-0x0000000000CF2000-memory.dmp
    Filesize

    4.8MB

  • memory/1388-17-0x0000000000830000-0x0000000000CF2000-memory.dmp
    Filesize

    4.8MB

  • memory/1388-0-0x0000000000830000-0x0000000000CF2000-memory.dmp
    Filesize

    4.8MB

  • memory/3376-37-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3376-38-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-19-0x0000000000161000-0x000000000018F000-memory.dmp
    Filesize

    184KB

  • memory/3644-34-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-22-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-23-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-47-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-26-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-44-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-28-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-43-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-30-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-31-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-32-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-33-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-21-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-35-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-20-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-18-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-39-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-40-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-41-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3644-42-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3696-29-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3696-27-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/3696-25-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB

  • memory/4004-46-0x0000000000160000-0x0000000000622000-memory.dmp
    Filesize

    4.8MB