General

  • Target

    863f6e719058feed00201f407e1b5a7d7d26e3d912670078583bb4e9d320bed3.exe

  • Size

    1.8MB

  • Sample

    241121-y59kma1ngp

  • MD5

    b647137c15b5964746d800f149c771ba

  • SHA1

    56cf6a851d0e4fdb5bba59365b7bb9ca7875e0ea

  • SHA256

    863f6e719058feed00201f407e1b5a7d7d26e3d912670078583bb4e9d320bed3

  • SHA512

    db9e3ba8d7f0468727edabd3b7ffd731c5c92ef5c6ad028c43b94475329b50d12b0c4f30ec0f46fb703543803b8c96d47150854888df11b43efa4d3c0f3a50ff

  • SSDEEP

    49152:oFBSXMHHF5rlTSZc4Zc5rPXnoCJImdAFqyAZ0U:oFBSXMFdlT1iwrPXnRImdKpW0U

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://176.113.115.178/FF/2.png

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://176.113.115.178/FF/3.png

Extracted

Language
hta
Source
URLs
hta.dropper

http://176.113.115.178/Windows-Update

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://176.113.115.178/FF/1.png

Targets

    • Target

      863f6e719058feed00201f407e1b5a7d7d26e3d912670078583bb4e9d320bed3.exe

    • Size

      1.8MB

    • MD5

      b647137c15b5964746d800f149c771ba

    • SHA1

      56cf6a851d0e4fdb5bba59365b7bb9ca7875e0ea

    • SHA256

      863f6e719058feed00201f407e1b5a7d7d26e3d912670078583bb4e9d320bed3

    • SHA512

      db9e3ba8d7f0468727edabd3b7ffd731c5c92ef5c6ad028c43b94475329b50d12b0c4f30ec0f46fb703543803b8c96d47150854888df11b43efa4d3c0f3a50ff

    • SSDEEP

      49152:oFBSXMHHF5rlTSZc4Zc5rPXnoCJImdAFqyAZ0U:oFBSXMFdlT1iwrPXnRImdKpW0U

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • UAC bypass

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks