General

  • Target

    bff00e025f4b5bfe5d512e55768d96a6440d7f921af4e526475439f25ae4fde4

  • Size

    1.0MB

  • Sample

    230516-26rb8ada22

  • MD5

    dd143d27043a8f54ac27735fd26504d2

  • SHA1

    b5de1768a916fc4c3fd261a4a43cd212c4c8c789

  • SHA256

    bff00e025f4b5bfe5d512e55768d96a6440d7f921af4e526475439f25ae4fde4

  • SHA512

    57b538e8dd791678850a696df3a506a20fa3f897e3dcf61c21e2bdc1d6f6d1a4befb7776dabbbca9e201ac11079e04fca6a27d19d679a4a6e2105a43ef0fd46c

  • SSDEEP

    24576:vyxJ1c+m8HQzsPmc0/e0zNu3BoIzHmX08WbmkIlJl:61FmiyCdAe0Zux3zGXEbnIlJ

Malware Config

Extracted

Family

redline

Botnet

musor

C2

185.161.248.25:4132

Attributes
  • auth_value

    b044e31277d21cb0a56d9461e5e741d5

Targets

    • Target

      bff00e025f4b5bfe5d512e55768d96a6440d7f921af4e526475439f25ae4fde4

    • Size

      1.0MB

    • MD5

      dd143d27043a8f54ac27735fd26504d2

    • SHA1

      b5de1768a916fc4c3fd261a4a43cd212c4c8c789

    • SHA256

      bff00e025f4b5bfe5d512e55768d96a6440d7f921af4e526475439f25ae4fde4

    • SHA512

      57b538e8dd791678850a696df3a506a20fa3f897e3dcf61c21e2bdc1d6f6d1a4befb7776dabbbca9e201ac11079e04fca6a27d19d679a4a6e2105a43ef0fd46c

    • SSDEEP

      24576:vyxJ1c+m8HQzsPmc0/e0zNu3BoIzHmX08WbmkIlJl:61FmiyCdAe0Zux3zGXEbnIlJ

    • 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