General

  • Target

    a1896f95c677b23cc63bd8e603b172f0_JaffaCakes118

  • Size

    1.1MB

  • Sample

    240612-v6whlstbpb

  • MD5

    a1896f95c677b23cc63bd8e603b172f0

  • SHA1

    80a0a125c861187c335d05c8e9f5bf075634d3a8

  • SHA256

    4c27a7374299a2fedf2796e0ef642c44ba038d60f878735700e53c43ef4158c1

  • SHA512

    7896dc6ba6b1680c395103c10d8333615b0ac774984005eb4a4d04e51bf84b598ce4e4130811c49e0a35a30d4169d7f9974a4ef8f06440fa33a997c1921389f2

  • SSDEEP

    24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvr:oEs1hN

Score
10/10

Malware Config

Targets

    • Target

      a1896f95c677b23cc63bd8e603b172f0_JaffaCakes118

    • Size

      1.1MB

    • MD5

      a1896f95c677b23cc63bd8e603b172f0

    • SHA1

      80a0a125c861187c335d05c8e9f5bf075634d3a8

    • SHA256

      4c27a7374299a2fedf2796e0ef642c44ba038d60f878735700e53c43ef4158c1

    • SHA512

      7896dc6ba6b1680c395103c10d8333615b0ac774984005eb4a4d04e51bf84b598ce4e4130811c49e0a35a30d4169d7f9974a4ef8f06440fa33a997c1921389f2

    • SSDEEP

      24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvr:oEs1hN

    Score
    10/10
    • 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