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General

  • Target

    2344173388c184cacf3a3c3e50e404a1_JaffaCakes118

  • Size

    596KB

  • Sample

    240508-fgkmgsec64

  • MD5

    2344173388c184cacf3a3c3e50e404a1

  • SHA1

    1b1fbd2b6fc12837aa734dc1e33260ae2cf12e49

  • SHA256

    e19b3516876c48cc9c9fe995eca5324c3e4e960fb4986d2907725c39f440ffc0

  • SHA512

    842bf59f1e35fd3966985b6c719de9c2496a8d77924bf7630d9a7e2ca0b84a48cc9e85ac852aa4c2bbc34888bfca6965d8941264e67406177816171e60441d9f

  • SSDEEP

    12288:ZMMpXKb0hNGh1kG0HWnAuU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlp:ZMMpXS0hN0V0H6SGB2uJ2s4otqFCJrWI

Malware Config

Targets

    • Target

      2344173388c184cacf3a3c3e50e404a1_JaffaCakes118

    • Size

      596KB

    • MD5

      2344173388c184cacf3a3c3e50e404a1

    • SHA1

      1b1fbd2b6fc12837aa734dc1e33260ae2cf12e49

    • SHA256

      e19b3516876c48cc9c9fe995eca5324c3e4e960fb4986d2907725c39f440ffc0

    • SHA512

      842bf59f1e35fd3966985b6c719de9c2496a8d77924bf7630d9a7e2ca0b84a48cc9e85ac852aa4c2bbc34888bfca6965d8941264e67406177816171e60441d9f

    • SSDEEP

      12288:ZMMpXKb0hNGh1kG0HWnAuU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlp:ZMMpXS0hN0V0H6SGB2uJ2s4otqFCJrWI

    • 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