General

  • Target
    a939990e53457e2ef115dab976c792a4_JaffaCakes118
  • Size 802KB
  • Sample240614-mnj3vsxamf
  • SHA256 30ec0a2627483513522c778e824dbc92801b74e01376cc78b56a3df0705347d7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      a939990e53457e2ef115dab976c792a4_JaffaCakes118
    • Size 802KB
    • SHA256 30ec0a2627483513522c778e824dbc92801b74e01376cc78b56a3df0705347d7
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies WinLogon for persistence

    • Renames multiple (91) files with added filename extension

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

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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