General

  • Target

    file.exe

  • Size

    2.8MB

  • Sample

    241218-11mamstmht

  • MD5

    8487b3f80d4a1d6db6d0268b17b66b8b

  • SHA1

    16ebd2a072305b3432b0f1348c94e90899225e71

  • SHA256

    b2f8caea1c0425e7cf69d729262dfeede6df2a415803a7b497359f0124db3ad4

  • SHA512

    fa961e40f5c40dffbfc0eeec88eef0622acc0103191ec16c3b5a679464c0cb54f16d762918cec20db36b603752d563ad438305ccdf317e1fd4e1d18f085da451

  • SSDEEP

    49152:vjiYy8ijVHr78ghs32AITsqe52cGs2UFv3lwhCcmy:Le8ijVHv8ghs3z0bgFGsB1whC/y

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

C2

http://home.fivetk5vt.top/hLfzXsaqNtoEGyaUtOMJ1734

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      2.8MB

    • MD5

      8487b3f80d4a1d6db6d0268b17b66b8b

    • SHA1

      16ebd2a072305b3432b0f1348c94e90899225e71

    • SHA256

      b2f8caea1c0425e7cf69d729262dfeede6df2a415803a7b497359f0124db3ad4

    • SHA512

      fa961e40f5c40dffbfc0eeec88eef0622acc0103191ec16c3b5a679464c0cb54f16d762918cec20db36b603752d563ad438305ccdf317e1fd4e1d18f085da451

    • SSDEEP

      49152:vjiYy8ijVHr78ghs32AITsqe52cGs2UFv3lwhCcmy:Le8ijVHv8ghs3z0bgFGsB1whC/y

    • 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

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • Netsupport family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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

    • 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

    • 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 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • 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