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General

  • Target

    1a2dced8f6d1043519958a49faf5ef5afb5ec61a70e77fa53ac3f220bbeb195d

  • Size

    599KB

  • Sample

    230505-ws9nraca99

  • MD5

    5c929b99c543804f2bbd89e67b9cf901

  • SHA1

    dfc97966cabaedb0b1c7eb07550bddf739a648ca

  • SHA256

    1a2dced8f6d1043519958a49faf5ef5afb5ec61a70e77fa53ac3f220bbeb195d

  • SHA512

    583f451f87bc95a5ff471c68162fa2722db2730b92387b509e0a38e87fd78986b705e5fc619fa7eccc2354787a1a7efe3db554bfe15e82d6b2b99f3c436e8438

  • SSDEEP

    12288:SMr5y90bhRh4ZJOaIV84oukFD7bw2wEGA+ggP6UzHJU:fyQ6caIV7oukB7bw2w/ANCzHK

Malware Config

Targets

    • Target

      1a2dced8f6d1043519958a49faf5ef5afb5ec61a70e77fa53ac3f220bbeb195d

    • Size

      599KB

    • MD5

      5c929b99c543804f2bbd89e67b9cf901

    • SHA1

      dfc97966cabaedb0b1c7eb07550bddf739a648ca

    • SHA256

      1a2dced8f6d1043519958a49faf5ef5afb5ec61a70e77fa53ac3f220bbeb195d

    • SHA512

      583f451f87bc95a5ff471c68162fa2722db2730b92387b509e0a38e87fd78986b705e5fc619fa7eccc2354787a1a7efe3db554bfe15e82d6b2b99f3c436e8438

    • SSDEEP

      12288:SMr5y90bhRh4ZJOaIV84oukFD7bw2wEGA+ggP6UzHJU:fyQ6caIV7oukB7bw2w/ANCzHK

    • Detects Redline Stealer samples

      This rule detects the presence of Redline Stealer samples based on their unique strings.

    • 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.

    • Windows security modification

    • 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