General

  • Target

    541ab389d05230818b87d537585980af_JaffaCakes118

  • Size

    955KB

  • Sample

    241017-2mtcga1crf

  • MD5

    541ab389d05230818b87d537585980af

  • SHA1

    d66b0b6a8d7e92c6c5bd5913eaa955f07a49727a

  • SHA256

    1eb8c3c0ae21d2df81f5775aed6b35bf289d3ce7a5367161220687ec74b662fc

  • SHA512

    1d3e483985245607ae56793a963d66a3db25aed04d629597309f79a2b6b0daeecd59228abcec5f8010f7d1c91425c31954ec25bd7b5867d90eaf42284bf351c7

  • SSDEEP

    12288:Pp4pNfz3ymJnJ8QCFkxCaQTOl2KCsltHk:xEtl9mRda1MIHk

Malware Config

Targets

    • Target

      541ab389d05230818b87d537585980af_JaffaCakes118

    • Size

      955KB

    • MD5

      541ab389d05230818b87d537585980af

    • SHA1

      d66b0b6a8d7e92c6c5bd5913eaa955f07a49727a

    • SHA256

      1eb8c3c0ae21d2df81f5775aed6b35bf289d3ce7a5367161220687ec74b662fc

    • SHA512

      1d3e483985245607ae56793a963d66a3db25aed04d629597309f79a2b6b0daeecd59228abcec5f8010f7d1c91425c31954ec25bd7b5867d90eaf42284bf351c7

    • SSDEEP

      12288:Pp4pNfz3ymJnJ8QCFkxCaQTOl2KCsltHk:xEtl9mRda1MIHk

    • Modifies WinLogon for persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks