General

  • Target

    f31451821a8d438f9b9cd9263526a9c9dbcfd92e8dbfc19f7f1bf7c621525945

  • Size

    731KB

  • Sample

    230531-qxrqvafg3t

  • MD5

    4ad1c5f10763cc7967e74e628677fec8

  • SHA1

    8a45bae7ec056e954171158aba0a94b7397a3e71

  • SHA256

    f31451821a8d438f9b9cd9263526a9c9dbcfd92e8dbfc19f7f1bf7c621525945

  • SHA512

    6a552866d75a7cac6b2652bf54225245210bf0dc61aaf170091a3d637457e97465f0e901da3badb3e20dc8547db18fef7d63adf71ad32512d8abec72da261892

  • SSDEEP

    12288:sMrKy90phJarRQGVzXXYrZ2k+75QJNWWGlM2Lejb9a0/PujN/bYHt83of4CAxWT:OycJmR7zY9T9JNolM2SX80nczYHtwCue

Malware Config

Extracted

Family

redline

Botnet

dars

C2

83.97.73.127:19045

Attributes
  • auth_value

    7cd208e6b6c927262304d5d4d88647fd

Extracted

Family

redline

Botnet

nitro

C2

83.97.73.127:19045

Attributes
  • auth_value

    1b68cf84b9b046f28b71cb39e44aa0e4

Targets

    • Target

      f31451821a8d438f9b9cd9263526a9c9dbcfd92e8dbfc19f7f1bf7c621525945

    • Size

      731KB

    • MD5

      4ad1c5f10763cc7967e74e628677fec8

    • SHA1

      8a45bae7ec056e954171158aba0a94b7397a3e71

    • SHA256

      f31451821a8d438f9b9cd9263526a9c9dbcfd92e8dbfc19f7f1bf7c621525945

    • SHA512

      6a552866d75a7cac6b2652bf54225245210bf0dc61aaf170091a3d637457e97465f0e901da3badb3e20dc8547db18fef7d63adf71ad32512d8abec72da261892

    • SSDEEP

      12288:sMrKy90phJarRQGVzXXYrZ2k+75QJNWWGlM2Lejb9a0/PujN/bYHt83of4CAxWT:OycJmR7zY9T9JNolM2SX80nczYHtwCue

    • 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