General

  • Target

    05f5f3f71824d9e1d03b319fa6a8c16ad9b911408dfe08edf3bd296160b33718

  • Size

    3.1MB

  • Sample

    241113-wfanwswkby

  • MD5

    b942d7a084b06328e13513475def938d

  • SHA1

    14671419aa87f1b4e36c86976d815167ae137743

  • SHA256

    05f5f3f71824d9e1d03b319fa6a8c16ad9b911408dfe08edf3bd296160b33718

  • SHA512

    0945c0c260234a80dbdb8791f84b6df337f324fc49c43d0eb173590322d31e0f0fd314da338a664541a5ddc00e9c3f88755ae150ccdfbd34b56c6999005bebf0

  • SSDEEP

    24576:mRbfrZCU8UOmMt2KlHENHGNpXCavued5h1pl70dA30KtKb/m4UPXRSq/rrmhNcC:mRg/JqN5LONp+/HeK1+W+rGpbLtYC

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

Targets

    • Target

      05f5f3f71824d9e1d03b319fa6a8c16ad9b911408dfe08edf3bd296160b33718

    • Size

      3.1MB

    • MD5

      b942d7a084b06328e13513475def938d

    • SHA1

      14671419aa87f1b4e36c86976d815167ae137743

    • SHA256

      05f5f3f71824d9e1d03b319fa6a8c16ad9b911408dfe08edf3bd296160b33718

    • SHA512

      0945c0c260234a80dbdb8791f84b6df337f324fc49c43d0eb173590322d31e0f0fd314da338a664541a5ddc00e9c3f88755ae150ccdfbd34b56c6999005bebf0

    • SSDEEP

      24576:mRbfrZCU8UOmMt2KlHENHGNpXCavued5h1pl70dA30KtKb/m4UPXRSq/rrmhNcC:mRg/JqN5LONp+/HeK1+W+rGpbLtYC

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks