General

  • Target

    f599ee5486eafdd2324bab9d66c175d4bfacfba7926747af78ef672691dfa38b

  • Size

    1.0MB

  • Sample

    230519-a4ef4aec83

  • MD5

    025436c747c741e938f851539038c449

  • SHA1

    33d9a55bd70722afc69e40047e467d8ee4cc62ac

  • SHA256

    f599ee5486eafdd2324bab9d66c175d4bfacfba7926747af78ef672691dfa38b

  • SHA512

    d6ea09582d72cea48cef50b08bef0309ae6cde99f5b65ef2ab38870c43787917842896e02c997b6cc90b2b1779a39453f3e3d1a46b3f5da65a0270078a340eaf

  • SSDEEP

    24576:0y0tl3UutaCevjheADl82SbiL1QYGfB4wmlg1Zlm6tTDEBi0:D0DUuJwe4C2CiL1EB6g1ZlvtTDE

Malware Config

Extracted

Family

redline

Botnet

dolz

C2

77.91.68.253:41783

Attributes
  • auth_value

    91a052e7685b96dcfc2defe95d9affb8

Targets

    • Target

      f599ee5486eafdd2324bab9d66c175d4bfacfba7926747af78ef672691dfa38b

    • Size

      1.0MB

    • MD5

      025436c747c741e938f851539038c449

    • SHA1

      33d9a55bd70722afc69e40047e467d8ee4cc62ac

    • SHA256

      f599ee5486eafdd2324bab9d66c175d4bfacfba7926747af78ef672691dfa38b

    • SHA512

      d6ea09582d72cea48cef50b08bef0309ae6cde99f5b65ef2ab38870c43787917842896e02c997b6cc90b2b1779a39453f3e3d1a46b3f5da65a0270078a340eaf

    • SSDEEP

      24576:0y0tl3UutaCevjheADl82SbiL1QYGfB4wmlg1Zlm6tTDEBi0:D0DUuJwe4C2CiL1EB6g1ZlvtTDE

    • 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