General

  • Target

    211ea35545389fab23d79e5e83b02a53d000971e6e4fc0a1346fc38bc97d72d1.exe

  • Size

    2.8MB

  • Sample

    241219-ajma7syjav

  • MD5

    eadab56cfbaef413b705dac5db36aa16

  • SHA1

    163fc1a47691e79e6bbffbab8be7f795bd55d99d

  • SHA256

    211ea35545389fab23d79e5e83b02a53d000971e6e4fc0a1346fc38bc97d72d1

  • SHA512

    461087bdc52f78dde32330aa2240216527be6586903071f63cff43b4d0d43089262265816fc6f5ac3072d67624255fae694476754a4cf2a43990155051e0e014

  • SSDEEP

    49152:GLNDk2Pu0hI2hcbYQc4Nv0PYax7Ia1uTZYsR:GFk2PuWIBeOv0P1WayZYsR

Malware Config

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

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

cryptbot

Extracted

Family

lumma

Targets

    • Target

      211ea35545389fab23d79e5e83b02a53d000971e6e4fc0a1346fc38bc97d72d1.exe

    • Size

      2.8MB

    • MD5

      eadab56cfbaef413b705dac5db36aa16

    • SHA1

      163fc1a47691e79e6bbffbab8be7f795bd55d99d

    • SHA256

      211ea35545389fab23d79e5e83b02a53d000971e6e4fc0a1346fc38bc97d72d1

    • SHA512

      461087bdc52f78dde32330aa2240216527be6586903071f63cff43b4d0d43089262265816fc6f5ac3072d67624255fae694476754a4cf2a43990155051e0e014

    • SSDEEP

      49152:GLNDk2Pu0hI2hcbYQc4Nv0PYax7Ia1uTZYsR:GFk2PuWIBeOv0P1WayZYsR

    • 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

    • 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)

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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

    • Modifies system executable filetype association

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks