General

  • Target

    55bd092efb0089fb22690e7675825d98_JaffaCakes118

  • Size

    2.6MB

  • Sample

    241018-gaqetszfmc

  • MD5

    55bd092efb0089fb22690e7675825d98

  • SHA1

    7c297d1c19f512cb45bf4adfab9e17a40467546d

  • SHA256

    f3957f30e4ddd838456a66a1b3cf22927430b88c074acac18e427f2d2192d155

  • SHA512

    28d2b762e25adf3057575afa4974c700a9b74d4e22de86339ffd88a159f39dc19e866ff5c373b7d5399719dbb216f432f3bb815aeb0c193db2049eb9f726611d

  • SSDEEP

    12288:dMMpXKb0hNGh1kG0HWo+PMMpXKb0hNGh1kG0HWo+T0:dMMpXS0hN0V0HgMMpXS0hN0V0Hj

Malware Config

Targets

    • Target

      55bd092efb0089fb22690e7675825d98_JaffaCakes118

    • Size

      2.6MB

    • MD5

      55bd092efb0089fb22690e7675825d98

    • SHA1

      7c297d1c19f512cb45bf4adfab9e17a40467546d

    • SHA256

      f3957f30e4ddd838456a66a1b3cf22927430b88c074acac18e427f2d2192d155

    • SHA512

      28d2b762e25adf3057575afa4974c700a9b74d4e22de86339ffd88a159f39dc19e866ff5c373b7d5399719dbb216f432f3bb815aeb0c193db2049eb9f726611d

    • SSDEEP

      12288:dMMpXKb0hNGh1kG0HWo+PMMpXKb0hNGh1kG0HWo+T0:dMMpXS0hN0V0HgMMpXS0hN0V0Hj

    • 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