General

  • Target

    a79eb926818968e5ecad9b4b68d1c291.exe

  • Size

    1019KB

  • Sample

    230523-jb6vbaec42

  • MD5

    a79eb926818968e5ecad9b4b68d1c291

  • SHA1

    83f7cbea5c3018461eaa2eba57b5e8feb8f3eb7e

  • SHA256

    9f24ac1d22db943bfa6394486340ac0a8f56e655b85308b1317e5423489a7ced

  • SHA512

    0733ee7b310f35efa7dc9c1b10eb075b430cc5b55214b9d004276012567d0bf46d47dc048bd3f08313f491dd5fd94ac83ea665fed3d141e60ae9128c566f4858

  • SSDEEP

    12288:CMrRy90kwdVN56cGat38bXrBv6qN85D0Z9rLMwZupAfU+mvuPhf6jTBy/nWErQq9:byme08L9vL3Z9cwsGmvZpy30AaW8IAq

Malware Config

Extracted

Family

redline

Botnet

luxa

C2

77.91.68.157:19065

Attributes
  • auth_value

    2dda654f9abf47e50c7446be3ecc1806

Targets

    • Target

      a79eb926818968e5ecad9b4b68d1c291.exe

    • Size

      1019KB

    • MD5

      a79eb926818968e5ecad9b4b68d1c291

    • SHA1

      83f7cbea5c3018461eaa2eba57b5e8feb8f3eb7e

    • SHA256

      9f24ac1d22db943bfa6394486340ac0a8f56e655b85308b1317e5423489a7ced

    • SHA512

      0733ee7b310f35efa7dc9c1b10eb075b430cc5b55214b9d004276012567d0bf46d47dc048bd3f08313f491dd5fd94ac83ea665fed3d141e60ae9128c566f4858

    • SSDEEP

      12288:CMrRy90kwdVN56cGat38bXrBv6qN85D0Z9rLMwZupAfU+mvuPhf6jTBy/nWErQq9:byme08L9vL3Z9cwsGmvZpy30AaW8IAq

    • LoaderBot

      LoaderBot is a loader written in .NET downloading and executing miners.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • xmrig

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

    • LoaderBot executable

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks