General

  • Target

    file.exe

  • Size

    3.1MB

  • Sample

    241222-blm6ysxmfm

  • MD5

    cf6393e173fb6315d0c681bc78eb3528

  • SHA1

    26dc307ae4ea1866d40c9a34e38768733ec30b34

  • SHA256

    3dee7134cbeea75160519a338fc848a18af80c46ef475fcd3c69a463d449c35d

  • SHA512

    47e722c9f4736faf9612aff748cb4e1211e00ffe0fe56a65dc0dbec07f7b5e81908269d7c31066250866f3459727874d88c27fa88be08e540d0eb1e048ced61f

  • SSDEEP

    24576:O/Nvd7MjWuH7NZRmw3vb+VBi7cCgTUvRS6r0EexLRdno+gSMW7GQJKTJjmX0/4hH:kliWo533j+na3bJrGYnlCJMdPS/b

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

Family

lumma

Extracted

Family

cryptbot

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      3.1MB

    • MD5

      cf6393e173fb6315d0c681bc78eb3528

    • SHA1

      26dc307ae4ea1866d40c9a34e38768733ec30b34

    • SHA256

      3dee7134cbeea75160519a338fc848a18af80c46ef475fcd3c69a463d449c35d

    • SHA512

      47e722c9f4736faf9612aff748cb4e1211e00ffe0fe56a65dc0dbec07f7b5e81908269d7c31066250866f3459727874d88c27fa88be08e540d0eb1e048ced61f

    • SSDEEP

      24576:O/Nvd7MjWuH7NZRmw3vb+VBi7cCgTUvRS6r0EexLRdno+gSMW7GQJKTJjmX0/4hH:kliWo533j+na3bJrGYnlCJMdPS/b

    • 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

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Enumerates VirtualBox registry keys

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

    • XMRig Miner payload

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks