General

  • Target

    9ee9fc91594ff0d745d83ae3ede6c725.bin

  • Size

    1.8MB

  • Sample

    241203-bx56xaypej

  • MD5

    0224955ad432aa91ff9ce787e1b85ac1

  • SHA1

    eb820a273701f9ca62d71f3d6392b75500fb0953

  • SHA256

    eac6415514e57d0fd71154226cf6d5934a93424d8a93e8d0f407d5b2e4533f70

  • SHA512

    babfe347914a832484a36bd6e1329d417c40db8956b789813b544bc04944679d2cb0afd71501368ff002820e6380086a988362ec8d2c17cc498db32582aa2431

  • SSDEEP

    49152:d5lnSXN2GmxgS5jlYj4+kvwOBHsvPh6zc:d5lITcMj6BKX4Q

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

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

Targets

    • Target

      5aad15bf881eac2533ceb43ab4a3e65c90ab5cb42412677ad1f0f393a4d2efa7.exe

    • Size

      1.8MB

    • MD5

      9ee9fc91594ff0d745d83ae3ede6c725

    • SHA1

      27ca7f96db3ed74658fc89ca6d33db35c59d8a77

    • SHA256

      5aad15bf881eac2533ceb43ab4a3e65c90ab5cb42412677ad1f0f393a4d2efa7

    • SHA512

      bf7d5e625fbe7adb3d1bbdc60d9263a8bb3cc000f6053033ae1ea786f7a657e5012f0f0946835b18622313e6b0f298b0e1e7aa29329f89a9f45ad440220fccef

    • SSDEEP

      49152:lkk2FX4poT387IR/vpA82dUSZ3nVZdUuHKSMuj:qk7ow7IRpd2djlV8Amu

    • Amadey

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

    • Amadey 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks