Overview

overview

10

Static

static

3

561a099e88...18.exe

windows7-x64

10

561a099e88...18.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    561a099e88ab448c35548fe60f5305b2_JaffaCakes118
  • Size 60KB
  • Sample240718-eterbsvclq
  • SHA256 1cfbb05a5fd1642e93be994783e5979e5e2bd3a61448accf7e0a572b708aaa1b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
expirobackdoorpersistence

Malware Config

Targets

    • Target
      561a099e88ab448c35548fe60f5305b2_JaffaCakes118
    • Size 60KB
    • SHA256 1cfbb05a5fd1642e93be994783e5979e5e2bd3a61448accf7e0a572b708aaa1b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    expirobackdoorpersistence

    • 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