General

  • Target

    a4ab4024897280799ffdde3ee0a64db239b76c6c45921a07d48cab961792240c

  • Size

    1.0MB

  • Sample

    230519-r29b5aec79

  • MD5

    19c70eecdbec32466731d7c0e8a862bb

  • SHA1

    44c0249fdf5fbcf41e29089cfae2f921adcdd0ea

  • SHA256

    a4ab4024897280799ffdde3ee0a64db239b76c6c45921a07d48cab961792240c

  • SHA512

    aa947a776479e6c24dbfc2ca12bc55c7437d9fa7b32884b60b32d6cc6c21896b52d42a6541eedc8c711d5655a6f15ba449de95cde7b28e55fad1c53e16a2dd50

  • SSDEEP

    24576:8yGkLJCn4OBKZqw6AjGxqFNgNk9RlxGB+JVBT3ZrZuLK:rVFCoZqwZHNga9RTGmVBT3ZrQ

Malware Config

Extracted

Family

redline

Botnet

duper

C2

77.91.68.253:19065

Attributes
  • auth_value

    57e17ebbdb18f4882b95fe05402ef1c8

Targets

    • Target

      a4ab4024897280799ffdde3ee0a64db239b76c6c45921a07d48cab961792240c

    • Size

      1.0MB

    • MD5

      19c70eecdbec32466731d7c0e8a862bb

    • SHA1

      44c0249fdf5fbcf41e29089cfae2f921adcdd0ea

    • SHA256

      a4ab4024897280799ffdde3ee0a64db239b76c6c45921a07d48cab961792240c

    • SHA512

      aa947a776479e6c24dbfc2ca12bc55c7437d9fa7b32884b60b32d6cc6c21896b52d42a6541eedc8c711d5655a6f15ba449de95cde7b28e55fad1c53e16a2dd50

    • SSDEEP

      24576:8yGkLJCn4OBKZqw6AjGxqFNgNk9RlxGB+JVBT3ZrZuLK:rVFCoZqwZHNga9RTGmVBT3ZrQ

    • 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