General

  • Target

    f5a99332936a1b9c48cc61c8ee4adfd4_JaffaCakes118

  • Size

    512KB

  • Sample

    240417-nkffyaeg91

  • MD5

    f5a99332936a1b9c48cc61c8ee4adfd4

  • SHA1

    8f74a03fc98d39a53177ee3719ae5f7c91a27596

  • SHA256

    f82dbda4b6d9a452ab74cb33bd27da5ab0f384940cd1179bd455d40c40e2537f

  • SHA512

    6f06357be554e040560837573022e1f704547f17714ff7004040c0143753807fa03abe5a29bb68d4689457b86fabfaeb2b457f128687b8f729da6bb1b67be0b8

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6q:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5t

Malware Config

Targets

    • Target

      f5a99332936a1b9c48cc61c8ee4adfd4_JaffaCakes118

    • Size

      512KB

    • MD5

      f5a99332936a1b9c48cc61c8ee4adfd4

    • SHA1

      8f74a03fc98d39a53177ee3719ae5f7c91a27596

    • SHA256

      f82dbda4b6d9a452ab74cb33bd27da5ab0f384940cd1179bd455d40c40e2537f

    • SHA512

      6f06357be554e040560837573022e1f704547f17714ff7004040c0143753807fa03abe5a29bb68d4689457b86fabfaeb2b457f128687b8f729da6bb1b67be0b8

    • SSDEEP

      6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6q:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5t

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks