General

  • Target

    JaffaCakes118_6eac0c2f52faa502f81dc57a054bb460

  • Size

    628KB

  • Sample

    250103-w8jghaxlev

  • MD5

    6eac0c2f52faa502f81dc57a054bb460

  • SHA1

    7df9b2a9b86a77e805c47d74ccb9aed6a800ba7a

  • SHA256

    5919b3301c691a4f85cd72e1bff979c6bff321e3b3a34ef960ec732ad13c5492

  • SHA512

    db04a7d36ae782e78e45b57da7c8167bd08962ddb1b7a69c410cf8d62a73d78716f14dfeccc0f4c66cc363cfd6a23120a4e87eb91027f2ab3facab815a7271f9

  • SSDEEP

    12288:HWph2x7BblnwG8zSv+9v/+4+/4900eLuRalXMj2QGSSNwROFVfciggimlhrkhml:HWX29bnwGoH/+4MD0eLuYlZQGSS2ROF7

Malware Config

Targets

    • Target

      JaffaCakes118_6eac0c2f52faa502f81dc57a054bb460

    • Size

      628KB

    • MD5

      6eac0c2f52faa502f81dc57a054bb460

    • SHA1

      7df9b2a9b86a77e805c47d74ccb9aed6a800ba7a

    • SHA256

      5919b3301c691a4f85cd72e1bff979c6bff321e3b3a34ef960ec732ad13c5492

    • SHA512

      db04a7d36ae782e78e45b57da7c8167bd08962ddb1b7a69c410cf8d62a73d78716f14dfeccc0f4c66cc363cfd6a23120a4e87eb91027f2ab3facab815a7271f9

    • SSDEEP

      12288:HWph2x7BblnwG8zSv+9v/+4+/4900eLuRalXMj2QGSSNwROFVfciggimlhrkhml:HWX29bnwGoH/+4MD0eLuYlZQGSS2ROF7

    • 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