Overview

overview

10

Static

static

3

df9623834c...18.exe

windows7-x64

10

df9623834c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    df9623834c4b66446eeafe6daa381921_JaffaCakes118
  • Size 60KB
  • Sample241211-c8rnbsxjdn
  • SHA256 e0842d5a6de5e1a5c8924e338598468d2de7d976d636c9ebf04bc8001b5c9faf
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
expirobackdoordiscoverypersistence

Malware Config

Targets

    • Target
      df9623834c4b66446eeafe6daa381921_JaffaCakes118
    • Size 60KB
    • SHA256 e0842d5a6de5e1a5c8924e338598468d2de7d976d636c9ebf04bc8001b5c9faf
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    expirobackdoordiscoverypersistence

    • Expiro family

      expiro

    • Expiro, m0yv

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

      backdoorexpiro

    • Expiro payload

      backdoor

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Modifies WinLogon

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks