General

  • Target

    611a6e537009d9e01962afbc7bd5703a_JaffaCakes118

  • Size

    369KB

  • Sample

    241020-jkdvwswhph

  • MD5

    611a6e537009d9e01962afbc7bd5703a

  • SHA1

    5010bd4ce9e38a8ef0820cc60d2d1340396a0b42

  • SHA256

    ba1bf6af198a3e73a1fcb8b318f04874e2b707b2a558b0534a143ff98618b9b3

  • SHA512

    3475c98dc011c1df682f91534d3d093de26ba2c53275d11f3ce6bebbcf70931ba1a201cfc2741d52b9966d9c507e102dfe3ae379055dcb3605348dec7a308896

  • SSDEEP

    6144:niMmXRH6pXfSb0ceR/VFAHh1kgcs0HW4ky+4uf0whtgoSl+GrhsxLdkLfE:dMMpXKb0hNGh1kG0HWo+HD

Malware Config

Targets

    • Target

      611a6e537009d9e01962afbc7bd5703a_JaffaCakes118

    • Size

      369KB

    • MD5

      611a6e537009d9e01962afbc7bd5703a

    • SHA1

      5010bd4ce9e38a8ef0820cc60d2d1340396a0b42

    • SHA256

      ba1bf6af198a3e73a1fcb8b318f04874e2b707b2a558b0534a143ff98618b9b3

    • SHA512

      3475c98dc011c1df682f91534d3d093de26ba2c53275d11f3ce6bebbcf70931ba1a201cfc2741d52b9966d9c507e102dfe3ae379055dcb3605348dec7a308896

    • SSDEEP

      6144:niMmXRH6pXfSb0ceR/VFAHh1kgcs0HW4ky+4uf0whtgoSl+GrhsxLdkLfE:dMMpXKb0hNGh1kG0HWo+HD

    • 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