General

  • Target

    JaffaCakes118_7af9483222993994df1885ebe57c8740

  • Size

    611KB

  • Sample

    250104-v925kazmax

  • MD5

    7af9483222993994df1885ebe57c8740

  • SHA1

    674ae56f9fee9c01b983b78d473aa1e2c4a4bbc4

  • SHA256

    f5377f544d5c05daff97e1dc9614700a6bc32c080c00e173b402fec9a3aad1b2

  • SHA512

    c697ad687463904b5cffc12e6ae94a16c7028bc473797335a6390389b73a6504015a1a93bba38a90fb1b1e0fc2fda22d6d3ef54700054844a0a028917584f04e

  • SSDEEP

    12288:KLh0jD9bLcbwrrAQ722Jyxb1aMs9zcuWvcwCvdFIqsYk3nVdW:T9sbwr0QycQqfwUjPvk3V

Malware Config

Targets

    • Target

      JaffaCakes118_7af9483222993994df1885ebe57c8740

    • Size

      611KB

    • MD5

      7af9483222993994df1885ebe57c8740

    • SHA1

      674ae56f9fee9c01b983b78d473aa1e2c4a4bbc4

    • SHA256

      f5377f544d5c05daff97e1dc9614700a6bc32c080c00e173b402fec9a3aad1b2

    • SHA512

      c697ad687463904b5cffc12e6ae94a16c7028bc473797335a6390389b73a6504015a1a93bba38a90fb1b1e0fc2fda22d6d3ef54700054844a0a028917584f04e

    • SSDEEP

      12288:KLh0jD9bLcbwrrAQ722Jyxb1aMs9zcuWvcwCvdFIqsYk3nVdW:T9sbwr0QycQqfwUjPvk3V

    • Expiro family

    • Expiro, m0yv

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

    • Expiro payload

    • Disables taskbar notifications via registry modification

    • 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