General

  • Target

    1b92d1d27be26128b8680082270af9f1b5ca21d91dc4ad4508dbf632f3a9436f

  • Size

    731KB

  • Sample

    230531-azx3mscf2t

  • MD5

    db1fb900c9b2bbbe9032428431ae4498

  • SHA1

    f204d3f2c6ce65f76452408d69a52acb8a1bae52

  • SHA256

    1b92d1d27be26128b8680082270af9f1b5ca21d91dc4ad4508dbf632f3a9436f

  • SHA512

    136b1aa77f71ae2d22599b8060331d2fe7fec4bdfb8c3d411a8dab70d980269a9e3de3e155de0ea38f68d5070bd8cbe9e30b2eb25e9a4a996106e06aeb2b0bb7

  • SSDEEP

    12288:cMrey90TOrqh2v6vUcSZiiN8Rc0iHBiJW1SPwwXCvf0BkfXJuYf/pS9QC1I/:SypQ2Dc88uhiJSXw4sBkxg1w

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.127:19045

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

tinda

C2

83.97.73.127:19045

Attributes
  • auth_value

    88da3924455f4ba3a1b76cd03af918bb

Targets

    • Target

      1b92d1d27be26128b8680082270af9f1b5ca21d91dc4ad4508dbf632f3a9436f

    • Size

      731KB

    • MD5

      db1fb900c9b2bbbe9032428431ae4498

    • SHA1

      f204d3f2c6ce65f76452408d69a52acb8a1bae52

    • SHA256

      1b92d1d27be26128b8680082270af9f1b5ca21d91dc4ad4508dbf632f3a9436f

    • SHA512

      136b1aa77f71ae2d22599b8060331d2fe7fec4bdfb8c3d411a8dab70d980269a9e3de3e155de0ea38f68d5070bd8cbe9e30b2eb25e9a4a996106e06aeb2b0bb7

    • SSDEEP

      12288:cMrey90TOrqh2v6vUcSZiiN8Rc0iHBiJW1SPwwXCvf0BkfXJuYf/pS9QC1I/:SypQ2Dc88uhiJSXw4sBkxg1w

    • 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.

    • 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