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General

  • Target

    3c129117296a56976bcd73a8dd0f7674_JaffaCakes118

  • Size

    1.1MB

  • Sample

    240512-zzg4vsba26

  • MD5

    3c129117296a56976bcd73a8dd0f7674

  • SHA1

    ce14bae42e0063c032e33c4ffd56c8d7b71d23ba

  • SHA256

    f50222f85e3622c4417e8d2c487e6515d1ec20dfd5ba5a5a659ae506641ad806

  • SHA512

    07fb0fde8718fc19985a45b0c53e696c0464e2be3a540d55348d864c0db121c1723d6ef6b71b4b7b8e08cfb55ab01a1875f9f21e0f331e47a7fa3e23be7ae364

  • SSDEEP

    24576:KEtl9mRda1lSMMMpXS0hN0V0HoSTSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAj:BEs14Fwi0L0qlGX

Score
10/10

Malware Config

Targets

    • Target

      3c129117296a56976bcd73a8dd0f7674_JaffaCakes118

    • Size

      1.1MB

    • MD5

      3c129117296a56976bcd73a8dd0f7674

    • SHA1

      ce14bae42e0063c032e33c4ffd56c8d7b71d23ba

    • SHA256

      f50222f85e3622c4417e8d2c487e6515d1ec20dfd5ba5a5a659ae506641ad806

    • SHA512

      07fb0fde8718fc19985a45b0c53e696c0464e2be3a540d55348d864c0db121c1723d6ef6b71b4b7b8e08cfb55ab01a1875f9f21e0f331e47a7fa3e23be7ae364

    • SSDEEP

      24576:KEtl9mRda1lSMMMpXS0hN0V0HoSTSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAj:BEs14Fwi0L0qlGX

    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