General

  • Target

    4376d697616c6ed684572a0b3e680977_JaffaCakes118

  • Size

    705KB

  • Sample

    240514-215mnacg9z

  • MD5

    4376d697616c6ed684572a0b3e680977

  • SHA1

    e572175e1800d80f6507c04df946deb991dab1a5

  • SHA256

    824b2d75b51c428ee133ed5deec1bdd1f6c910943dbcc2f42bb0b42511bf3873

  • SHA512

    4c8d52ba04f79f29265149f977960b29ebe08a35f94159be7c78e25f562ed7e7fd2601c8ebb4452e61e1e004ced8c975d5ec917d2bef317de4a64706a9d2687b

  • SSDEEP

    12288:ZMMpXKb0hNGh1kG0HWnAlU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlZ:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW2

Malware Config

Targets

    • Target

      4376d697616c6ed684572a0b3e680977_JaffaCakes118

    • Size

      705KB

    • MD5

      4376d697616c6ed684572a0b3e680977

    • SHA1

      e572175e1800d80f6507c04df946deb991dab1a5

    • SHA256

      824b2d75b51c428ee133ed5deec1bdd1f6c910943dbcc2f42bb0b42511bf3873

    • SHA512

      4c8d52ba04f79f29265149f977960b29ebe08a35f94159be7c78e25f562ed7e7fd2601c8ebb4452e61e1e004ced8c975d5ec917d2bef317de4a64706a9d2687b

    • SSDEEP

      12288:ZMMpXKb0hNGh1kG0HWnAlU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlZ:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW2

    • 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