Overview

overview

10

Static

static

10

2026-06-12...er.exe

windows10-2004-x64

10

2026-06-12...er.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-06-12_7e6b68b6e3349527556d5df05777040f_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat_smoke-loader
  • Size 666KB
  • Sample260612-rs4qaaf18l
  • SHA256 3de5c7721e696f7ad8c1ab5f9d1ca309306bb2a7862869eab6870547f476cbe6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
expirobackdoorcredential_accessdiscoveryspywarestealer

Malware Config

Targets

    • Target
      2026-06-12_7e6b68b6e3349527556d5df05777040f_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat_smoke-loader
    • Size 666KB
    • SHA256 3de5c7721e696f7ad8c1ab5f9d1ca309306bb2a7862869eab6870547f476cbe6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorcredential_accessdiscoveryexpirospywarestealer

    • Expiro payload

      backdoor

    • Family: Expiro, m0yv

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

      backdoorexpiro
    • Custom signature

      Detects executables packed with VMProtect.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks