General

  • Target

    20161205_3030a6970348cbb57d00e985c8437e9b.js

  • Size

    13KB

  • Sample

    211118-ra2g7sgdf7

  • MD5

    5c7c2fb5b45e4534e3a777fa8c7d2b45

  • SHA1

    69172e14243d51c1ee3509a4b2dcbd585ac1a235

  • SHA256

    44fec9388c02bdfb1773aa095b8c3a084526c38d012c7650a5796cd3fca9687e

  • SHA512

    4d074cd7c859aa4b299b14834e938ed63aaea0f5680f2956587949df7eb64df97d3f249334df79bd23a0a7a83247b54b26294a270106cce75c949500be44b543

Malware Config

Targets

    • Target

      20161205_3030a6970348cbb57d00e985c8437e9b.js

    • Size

      13KB

    • MD5

      5c7c2fb5b45e4534e3a777fa8c7d2b45

    • SHA1

      69172e14243d51c1ee3509a4b2dcbd585ac1a235

    • SHA256

      44fec9388c02bdfb1773aa095b8c3a084526c38d012c7650a5796cd3fca9687e

    • SHA512

      4d074cd7c859aa4b299b14834e938ed63aaea0f5680f2956587949df7eb64df97d3f249334df79bd23a0a7a83247b54b26294a270106cce75c949500be44b543

    • Locky

      Ransomware strain released in 2016, with advanced features like anti-analysis.

    • Locky (Osiris variant)

      Variant of the Locky ransomware seen in the wild since early 2017.

    • Blocklisted process makes network request

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks