General

  • Target

    a6dadc69a39cb9764e698b642c25d1bd5574e0abb716fdc505a324d9a9ee1044

  • Size

    1.0MB

  • Sample

    230525-pq9gmsae9x

  • MD5

    526c4ea338e9fa8a04f26d8f24bba7b7

  • SHA1

    2f08ad67e3767882c10f5441d1f247582826969d

  • SHA256

    a6dadc69a39cb9764e698b642c25d1bd5574e0abb716fdc505a324d9a9ee1044

  • SHA512

    4a8bbd1bd472d90f8431f6a4963f93679e0eee7cc5859af47ae9f7fc3f37f017df31e5a6f0854715eebdac886647424ed382c7005224565d9fe88a8f55168a4b

  • SSDEEP

    24576:8yYPgVz2XovigwwzNQsAEH50TfqtR31ay9UQy0jht:rYPgVz5viJaasAEHDtRFay9UK

Malware Config

Extracted

Family

redline

Botnet

lina

C2

83.97.73.122:19062

Attributes
  • auth_value

    13523aee5d194d7716b22eeab7de10ad

Extracted

Family

redline

Botnet

fash

C2

83.97.73.122:19062

Attributes
  • auth_value

    dd7165bcd22b0ed3df426d944e12f136

Extracted

Family

gurcu

C2

https://api.telegram.org/bot6237712604:AAESgAGfaQ0EUC8eWgMd7kpAW_FEGRDRfDs/sendMessage?chat_id=880824160

Targets

    • Target

      a6dadc69a39cb9764e698b642c25d1bd5574e0abb716fdc505a324d9a9ee1044

    • Size

      1.0MB

    • MD5

      526c4ea338e9fa8a04f26d8f24bba7b7

    • SHA1

      2f08ad67e3767882c10f5441d1f247582826969d

    • SHA256

      a6dadc69a39cb9764e698b642c25d1bd5574e0abb716fdc505a324d9a9ee1044

    • SHA512

      4a8bbd1bd472d90f8431f6a4963f93679e0eee7cc5859af47ae9f7fc3f37f017df31e5a6f0854715eebdac886647424ed382c7005224565d9fe88a8f55168a4b

    • SSDEEP

      24576:8yYPgVz2XovigwwzNQsAEH50TfqtR31ay9UQy0jht:rYPgVz5viJaasAEHDtRFay9UK

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks