General

  • Target

    Unlock.exe

  • Size

    1021KB

  • Sample

    230521-keqsyabf2z

  • MD5

    3ddd00a3c40cb88598985acd84168611

  • SHA1

    1eb886d9df022f87d400dc30da2a91cee6242e23

  • SHA256

    2080521277cf0b8082ff6fd1378bdb2316e46501ecf7fa6e951aa7843cacf62b

  • SHA512

    4538a8c02878a99b1f5d9470c7cb553d7eb6de514a2ab1cfa6a6137d00497f1d6767f29f3b19b2d38dad49559f4e2be113e0b410688245ad200e3fcf8770ed5d

  • SSDEEP

    24576:4y3aJ1MQOlgHh48qZudr6xJ+QAG6d1863DZMklo8C9R:/SMQBHh48q4doUd1VD3loB

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Targets

    • Target

      Unlock.exe

    • Size

      1021KB

    • MD5

      3ddd00a3c40cb88598985acd84168611

    • SHA1

      1eb886d9df022f87d400dc30da2a91cee6242e23

    • SHA256

      2080521277cf0b8082ff6fd1378bdb2316e46501ecf7fa6e951aa7843cacf62b

    • SHA512

      4538a8c02878a99b1f5d9470c7cb553d7eb6de514a2ab1cfa6a6137d00497f1d6767f29f3b19b2d38dad49559f4e2be113e0b410688245ad200e3fcf8770ed5d

    • SSDEEP

      24576:4y3aJ1MQOlgHh48qZudr6xJ+QAG6d1863DZMklo8C9R:/SMQBHh48q4doUd1VD3loB

    • 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