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General

  • Target

    369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118

  • Size

    878KB

  • Sample

    240511-z8y4qshg8t

  • MD5

    369cf1eef95bfc2c400be90a1288b2f4

  • SHA1

    c51c5cf9205c7a0203dd212d8fe409d3cc622c64

  • SHA256

    04457ffd43e4c864a0320e24b216d5ac2c1d6d854af4ef86f5094437b09a084b

  • SHA512

    ed994a202d3b0c2765b9c4c7744949e4ad3d890c875baed019a4e71f2aaa89d59b51e7e405c30feaf0a337c790f8978ab3196f6edfdc06064afdc8b98dd53808

  • SSDEEP

    24576:ZMMpXS0hN0V0HoSMMMpXS0hN0V0H0SGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHD9:Kwi0L0qlFwi0L0qp8

Malware Config

Targets

    • Target

      369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118

    • Size

      878KB

    • MD5

      369cf1eef95bfc2c400be90a1288b2f4

    • SHA1

      c51c5cf9205c7a0203dd212d8fe409d3cc622c64

    • SHA256

      04457ffd43e4c864a0320e24b216d5ac2c1d6d854af4ef86f5094437b09a084b

    • SHA512

      ed994a202d3b0c2765b9c4c7744949e4ad3d890c875baed019a4e71f2aaa89d59b51e7e405c30feaf0a337c790f8978ab3196f6edfdc06064afdc8b98dd53808

    • SSDEEP

      24576:ZMMpXS0hN0V0HoSMMMpXS0hN0V0H0SGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHD9:Kwi0L0qlFwi0L0qp8

    • 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