General

  • Target

    25a9fa38ecef745b7437783c5d2d92d6.exe

  • Size

    1020KB

  • Sample

    230523-h122zsfb3s

  • MD5

    25a9fa38ecef745b7437783c5d2d92d6

  • SHA1

    730fa6f1fdaea9a3820d61efa558e5546ff9aad7

  • SHA256

    e6e6dd786fa32e98eb482e69d34794abd69f5e185f11d48eece5b18497eaa11a

  • SHA512

    0e9cddf3fe1e04e7c27a339bd88a730008372d9b13fabd2824796e48fa1c5313f209916509e75fb83e9dfefe1abcc926ee43828604b0a67c1c7c744358682d84

  • SSDEEP

    24576:3yx/2j4XrBmLx84bvBbfazM3SrTgXfBfXL1gEv7e:Cx/2uFsOzqSrTkF1

Malware Config

Extracted

Family

redline

Botnet

luxa

C2

77.91.68.157:19065

Attributes
  • auth_value

    2dda654f9abf47e50c7446be3ecc1806

Targets

    • Target

      25a9fa38ecef745b7437783c5d2d92d6.exe

    • Size

      1020KB

    • MD5

      25a9fa38ecef745b7437783c5d2d92d6

    • SHA1

      730fa6f1fdaea9a3820d61efa558e5546ff9aad7

    • SHA256

      e6e6dd786fa32e98eb482e69d34794abd69f5e185f11d48eece5b18497eaa11a

    • SHA512

      0e9cddf3fe1e04e7c27a339bd88a730008372d9b13fabd2824796e48fa1c5313f209916509e75fb83e9dfefe1abcc926ee43828604b0a67c1c7c744358682d84

    • SSDEEP

      24576:3yx/2j4XrBmLx84bvBbfazM3SrTgXfBfXL1gEv7e:Cx/2uFsOzqSrTkF1

    • 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