General

  • Target

    f0bba7503d51470720b6f60c8d61ab75a0f61f2025e5399b852ab88f534b0aa1

  • Size

    1.0MB

  • Sample

    230517-e3q6qadg36

  • MD5

    39f9f8ea440ea121fffe59fbc91b184a

  • SHA1

    75f956b3c741818f3de8b9e3a04c5519590823e3

  • SHA256

    f0bba7503d51470720b6f60c8d61ab75a0f61f2025e5399b852ab88f534b0aa1

  • SHA512

    b7fe804ce990b8b203f652abca96c87ffb18e768ef586b440cccaa9b64aee034d382098c30cf2383893261086d898ad738d0b8286ef48eeba7f429c9dc229624

  • SSDEEP

    24576:nyl4cjzGZvipHx4lWq6uzlLphkKDU7hJvdT2fTV:yljjz+AHKwKDU7DlTo

Malware Config

Extracted

Family

redline

Botnet

dusor

C2

185.161.248.25:4132

Attributes
  • auth_value

    b81217cf5a516122d407aeaf79d22948

Targets

    • Target

      f0bba7503d51470720b6f60c8d61ab75a0f61f2025e5399b852ab88f534b0aa1

    • Size

      1.0MB

    • MD5

      39f9f8ea440ea121fffe59fbc91b184a

    • SHA1

      75f956b3c741818f3de8b9e3a04c5519590823e3

    • SHA256

      f0bba7503d51470720b6f60c8d61ab75a0f61f2025e5399b852ab88f534b0aa1

    • SHA512

      b7fe804ce990b8b203f652abca96c87ffb18e768ef586b440cccaa9b64aee034d382098c30cf2383893261086d898ad738d0b8286ef48eeba7f429c9dc229624

    • SSDEEP

      24576:nyl4cjzGZvipHx4lWq6uzlLphkKDU7hJvdT2fTV:yljjz+AHKwKDU7DlTo

    • 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