Overview

overview

10

Static

static

3

2026-07-31...ay.exe

windows10-2004-x64

10

2026-07-31...ay.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-31_7bef4439bd3026039fc4fe444418499c_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat_play
  • Size 562KB
  • Sample260731-wdmknsec44
  • SHA256 90f559f590f85f13d124f97b7643adf095a8f463c7ccdd6a3168b3b16f95be4f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
expirobackdoordefense_evasiondiscoverytrojan

Malware Config

Targets

    • Target
      2026-07-31_7bef4439bd3026039fc4fe444418499c_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat_play
    • Size 562KB
    • SHA256 90f559f590f85f13d124f97b7643adf095a8f463c7ccdd6a3168b3b16f95be4f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordefense_evasiondiscoveryexpirotrojan

    • Expiro payload

      backdoor

    • Family: Expiro, m0yv

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

      backdoorexpiro

    • Disables taskbar notifications via registry modification

      defense_evasion

    • Executes dropped EXE

    • Windows security modification

      defense_evasiontrojan

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks