General

  • Target

    476c96f2c3b7810f96b535ae053b2daf1cc1c1154e81959afa01e0fb2a9aed72.exe

  • Size

    2.8MB

  • Sample

    241219-c8q2sstnev

  • MD5

    1c41e3fbe310b66b46388397ab268de2

  • SHA1

    a257cb6f67f28c502bb7c72dbdf2a8de61fa6dd5

  • SHA256

    476c96f2c3b7810f96b535ae053b2daf1cc1c1154e81959afa01e0fb2a9aed72

  • SHA512

    e3c305183d374448857b866c4e922228ae82db416923b5f7db0e9eec4308589e95bd1df3f43183473f164b3c8956a2b2940b19ee7ca7de5a29851123d3dadb9f

  • SSDEEP

    49152:XSImQRoMJL43aSsaeKHLSihay2L3y0/ckFZVCV4OEZZi:XSkoMh43FsaeKrSihaykf/pfCV4O

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

cryptbot

C2

http://home.fivetk5vt.top/hLfzXsaqNtoEGyaUtOMJ1734

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

Targets

    • Target

      476c96f2c3b7810f96b535ae053b2daf1cc1c1154e81959afa01e0fb2a9aed72.exe

    • Size

      2.8MB

    • MD5

      1c41e3fbe310b66b46388397ab268de2

    • SHA1

      a257cb6f67f28c502bb7c72dbdf2a8de61fa6dd5

    • SHA256

      476c96f2c3b7810f96b535ae053b2daf1cc1c1154e81959afa01e0fb2a9aed72

    • SHA512

      e3c305183d374448857b866c4e922228ae82db416923b5f7db0e9eec4308589e95bd1df3f43183473f164b3c8956a2b2940b19ee7ca7de5a29851123d3dadb9f

    • SSDEEP

      49152:XSImQRoMJL43aSsaeKHLSihay2L3y0/ckFZVCV4OEZZi:XSkoMh43FsaeKrSihaykf/pfCV4O

    • 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

    • 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

    • 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 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.

    • 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.

    • 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