General

  • Target

    d154b465ff49e669d7c342fc96e7171ace0e8e60474396c2a95d9b7c0e2796cd

  • Size

    600KB

  • Sample

    230505-yhcblsad37

  • MD5

    a131d912aa23dbca0550b79c14fc4c02

  • SHA1

    13ac473d01488beb961a08dee11234f6d32789f1

  • SHA256

    d154b465ff49e669d7c342fc96e7171ace0e8e60474396c2a95d9b7c0e2796cd

  • SHA512

    a3559eee7b1d4872432efbd99c04f604262ed18c66bb770435d49f89acde82156dc40886839e219d72753552825d265cac5a5d176893184de76d0d7702b8518e

  • SSDEEP

    12288:xMrDy90bKKbISpcfLNYWu1LzhzZ3G3i7eD:CyebISpcjMLzh8SSD

Malware Config

Targets

    • Target

      d154b465ff49e669d7c342fc96e7171ace0e8e60474396c2a95d9b7c0e2796cd

    • Size

      600KB

    • MD5

      a131d912aa23dbca0550b79c14fc4c02

    • SHA1

      13ac473d01488beb961a08dee11234f6d32789f1

    • SHA256

      d154b465ff49e669d7c342fc96e7171ace0e8e60474396c2a95d9b7c0e2796cd

    • SHA512

      a3559eee7b1d4872432efbd99c04f604262ed18c66bb770435d49f89acde82156dc40886839e219d72753552825d265cac5a5d176893184de76d0d7702b8518e

    • SSDEEP

      12288:xMrDy90bKKbISpcfLNYWu1LzhzZ3G3i7eD:CyebISpcjMLzh8SSD

    • Detects Redline Stealer samples

      This rule detects the presence of Redline Stealer samples based on their unique strings.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks