Overview

overview

10

Static

static

10

2026-08-08...er.exe

windows10-2004-x64

10

2026-08-08...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/08/2026, 13:21

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-08-08_e8c5b2cb31b0532656bae38434f016d2_amadey_elex_luca-stealer_njrat_smoke-loader.exe
  • Size 2.0MB
  • Sample260808-qlrayafp91
  • SHA256 205562b423941b96abedd34d370104a931f26ffbcbe8f8b6503fd19e1cd3d420
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorcredential_accessdiscoveryexpirospywarestealer

Malware Config

Signatures

  • Family: Expiro, m0yv

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

    backdoorexpiro
  • Expiro payload 1 IoCs
    backdoor
  • Detects executables packed with VMProtect. 26 IoCs
  • Executes dropped EXE 8 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Drops Chrome extension 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in System32 directory 61 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-08_e8c5b2cb31b0532656bae38434f016d2_amadey_elex_luca-stealer_njrat_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_e8c5b2cb31b0532656bae38434f016d2_amadey_elex_luca-stealer_njrat_smoke-loader.exe"
    1⤵
    • Drops Chrome extension
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3996
  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:4332
  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:1096
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:2900
  • \??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE
    "c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"
    1⤵
    • Executes dropped EXE
    PID:1576
  • C:\Windows\System32\OpenSSH\ssh-agent.exe
    C:\Windows\System32\OpenSSH\ssh-agent.exe
    1⤵
    • Executes dropped EXE
    PID:3884
  • C:\Windows\system32\AgentService.exe
    C:\Windows\system32\AgentService.exe
    1⤵
    • Executes dropped EXE
    PID:4848
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Executes dropped EXE
    PID:1252
  • C:\Windows\servicing\TrustedInstaller.exe
    C:\Windows\servicing\TrustedInstaller.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:4720

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        elevation_service.exe
        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
        • Size 2.7MB
        • SHA256 1e792a21b52651cfc8c3a6edd7b44a918a5bb3b946109bb1ee047ae9d65c71ed
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        maintenanceservice.exe
        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 820KB
        • SHA256 93d70f041d6bd2d8afe0aa1b799b08d5b7a563bcc4ffe41197200a309926b5a9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        OSE.EXE
        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 800KB
        • SHA256 d91b408672be497577da64e7eb68661530ad621e169a44e40237298afe4e0205
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setup.vir
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.vir
        • Size 6.6MB
        • SHA256 c5ddcba64d58446ce6a2ee312d7b83e089569e21171b963d4cfd542c8fd1bc2d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        elevation_service.exe
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        • Size 2.8MB
        • SHA256 1a8b191d40d5b7fbbe14e579c612cc349fc3a655360004ec8b2496e933e7b9d2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        iexplore.exe
        • Path C:\Program Files\Internet Explorer\iexplore.exe
        • Size 1.3MB
        • SHA256 3a72b51398094a4631ebe641451b6dc174bac5e3c68a7419387ff0894bcfda00
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        powershell.exe
        • Path C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        • Size 983KB
        • SHA256 8c527ce3f0cf21e4da87b1818a2efbd4515cf69c571952b64a4fb0359b09a5f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AgentService.exe
        • Path C:\Windows\System32\AgentService.exe
        • Size 1.7MB
        • SHA256 a12cda82d39cea719c54367d3d5f552b20675d5be0f7d21aba480b97e369cd0d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Appvclient.vir
        • Path C:\Windows\System32\Appvclient.vir
        • Size 1.3MB
        • SHA256 a0b277a67d583263aea28a396c1096e66c33aa1fa674ba99ece51729650e16b1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ssh-agent.exe
        • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
        • Size 934KB
        • SHA256 9a426d15074e7c676ee9f9b0ca00bd617dc581ee10643f886f08101bc656bfa4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wbengine.exe
        • Path C:\Windows\System32\wbengine.exe
        • Size 2.1MB
        • SHA256 5936e66610181fa52a2ce501f493fe5e3eff21d5899bb4d935e8fe16c5d8f881
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        TrustedInstaller.exe
        • Path C:\Windows\servicing\TrustedInstaller.exe
        • Size 193KB
        • SHA256 73684e31ad4afe3fdc525b51ccaacc14d402c92db9c42e3fcbfe1e65524b1c01
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1096-23-0x0000000140000000-0x000000014041F000-memory.dmp
        Download

        memory/1252-75-0x0000000140000000-0x0000000140361000-memory.dmp
        Download

        memory/1252-74-0x0000000140000000-0x0000000140361000-memory.dmp
        Download

        memory/1576-48-0x0000000140000000-0x000000014021A000-memory.dmp
        Download

        memory/1576-49-0x0000000140000000-0x000000014021A000-memory.dmp
        Download

        memory/2900-30-0x0000000140000000-0x0000000140220000-memory.dmp
        Download

        memory/2900-29-0x0000000140000000-0x0000000140220000-memory.dmp
        Download

        memory/3884-61-0x0000000140000000-0x000000014024D000-memory.dmp
        Download

        memory/3884-60-0x0000000140000000-0x000000014024D000-memory.dmp
        Download

        memory/3996-0-0x0000000000400000-0x00000000007B6000-memory.dmp
        Download

        memory/3996-1-0x0000000000400000-0x00000000007B6000-memory.dmp
        Download

        memory/4332-17-0x0000000140000000-0x0000000140434000-memory.dmp
        Download

        memory/4332-16-0x0000000140000000-0x0000000140434000-memory.dmp
        Download

        memory/4848-67-0x0000000140000000-0x000000014030B000-memory.dmp
        Download

        memory/4848-68-0x0000000140000000-0x000000014030B000-memory.dmp
        Download