General

  • Target

    JaffaCakes118_6c2dff90879c1f9661ac72c6baaf7260

  • Size

    672KB

  • Sample

    250103-m7kthaznbw

  • MD5

    6c2dff90879c1f9661ac72c6baaf7260

  • SHA1

    9347c2e4805a0e66c76ea84703e9eb72630bd3b7

  • SHA256

    2e410d578b4089e73944da93e75cc6d1ce59fc68cf9212113f0395740c135701

  • SHA512

    e817d71a6d2360e8a56faa1bb19e1a15b62d7048257c002de7e575e1ccc1c71c065598b7587211bef4cf827196e81b7e437e01301ccaa95f92c652eabfb6053d

  • SSDEEP

    12288:tU7xC9VRB2R52TpvLult4TxPex0VXecPbJye8zd1DZuxppyr:tUSV2RoTlucmx0VXBJyeYlZypm

Malware Config

Targets

    • Target

      JaffaCakes118_6c2dff90879c1f9661ac72c6baaf7260

    • Size

      672KB

    • MD5

      6c2dff90879c1f9661ac72c6baaf7260

    • SHA1

      9347c2e4805a0e66c76ea84703e9eb72630bd3b7

    • SHA256

      2e410d578b4089e73944da93e75cc6d1ce59fc68cf9212113f0395740c135701

    • SHA512

      e817d71a6d2360e8a56faa1bb19e1a15b62d7048257c002de7e575e1ccc1c71c065598b7587211bef4cf827196e81b7e437e01301ccaa95f92c652eabfb6053d

    • SSDEEP

      12288:tU7xC9VRB2R52TpvLult4TxPex0VXecPbJye8zd1DZuxppyr:tUSV2RoTlucmx0VXBJyeYlZypm

    • Expiro family

    • Expiro, m0yv

      Expiro aka m0yv is a multi-functional backdoor written in C++.

    • Expiro payload

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks