General

  • Target

    6449052bd836cabffc205ebc81a021f5c55e0290d9fb2a39ccf7751346557f4f

  • Size

    1.0MB

  • Sample

    230519-af5y5sdb3x

  • MD5

    74d5a7c002fd36a71818c01db6ab5b6e

  • SHA1

    7c29b10ea11460753a9ded2dc13cb23c71842d4f

  • SHA256

    6449052bd836cabffc205ebc81a021f5c55e0290d9fb2a39ccf7751346557f4f

  • SHA512

    5ff9fec1c4be715eaacbc759bb508f8b5d006f7fd3b21a9872467709f8b7104f3eb573dcb4ee6df9cb5a5f49aea53fd6c505f04837d4019d05badbca37a34843

  • SSDEEP

    24576:TyT/k2EgrurhwALee3ovu4o3FvoX+tZ4TyZCvHKU:mQ2Egru9wUe/dKt+TyZC/

Malware Config

Extracted

Family

redline

Botnet

dolz

C2

77.91.68.253:41783

Attributes
  • auth_value

    91a052e7685b96dcfc2defe95d9affb8

Targets

    • Target

      6449052bd836cabffc205ebc81a021f5c55e0290d9fb2a39ccf7751346557f4f

    • Size

      1.0MB

    • MD5

      74d5a7c002fd36a71818c01db6ab5b6e

    • SHA1

      7c29b10ea11460753a9ded2dc13cb23c71842d4f

    • SHA256

      6449052bd836cabffc205ebc81a021f5c55e0290d9fb2a39ccf7751346557f4f

    • SHA512

      5ff9fec1c4be715eaacbc759bb508f8b5d006f7fd3b21a9872467709f8b7104f3eb573dcb4ee6df9cb5a5f49aea53fd6c505f04837d4019d05badbca37a34843

    • SSDEEP

      24576:TyT/k2EgrurhwALee3ovu4o3FvoX+tZ4TyZCvHKU:mQ2Egru9wUe/dKt+TyZC/

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • 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