Overview

overview

10

Static

static

3

2026-08-28...er.exe

windows10-2004-x64

10

2026-08-28...er.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-28_5241d7903be0191f5c0add365f07b2d0_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat_play_smoke-loader
  • Size 413KB
  • Sample260830-c28chaxgld
  • SHA256 47e3cfa62a64adebfe9b56cf92f6429219bc3d86045219f9f95435b1a498bcab
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
expirobackdoordefense_evasiondiscovery

Malware Config

Targets

    • Target
      2026-08-28_5241d7903be0191f5c0add365f07b2d0_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat_play_smoke-loader
    • Size 413KB
    • SHA256 47e3cfa62a64adebfe9b56cf92f6429219bc3d86045219f9f95435b1a498bcab
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordefense_evasiondiscoveryexpiro

    • Expiro payload

      backdoor

    • Family: Expiro, m0yv

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

      backdoorexpiro

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • 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