Overview

overview

10

Static

static

10

2026-09-01...er.exe

windows10-2004-x64

10

2026-09-01...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/09/2026, 10:15

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General

  • Target
    2026-09-01_8485f8f0dd47aa3479f2a05711c58a59_amadey_elex_luca-stealer_njrat_smoke-loader.exe
  • Size 2.0MB
  • Sample260902-mapq7avscx
  • SHA256 9cef49215fc2d4daa2c420fffb46b6f9c057253a7258ab8760d50ae8ccaedc03
  • 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\2026-09-01_8485f8f0dd47aa3479f2a05711c58a59_amadey_elex_luca-stealer_njrat_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-01_8485f8f0dd47aa3479f2a05711c58a59_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:4920
  • 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:1140
  • 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:4588
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:3952
  • \??\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:3988
  • C:\Windows\System32\OpenSSH\ssh-agent.exe
    C:\Windows\System32\OpenSSH\ssh-agent.exe
    1⤵
    • Executes dropped EXE
    PID:3696
  • C:\Windows\system32\AgentService.exe
    C:\Windows\system32\AgentService.exe
    1⤵
    • Executes dropped EXE
    PID:1964
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Executes dropped EXE
    PID:2428
  • C:\Windows\servicing\TrustedInstaller.exe
    C:\Windows\servicing\TrustedInstaller.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:4660

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        elevation_service.exe
        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
        • Size 2.7MB
        • SHA256 89e912de3443e0179c242035aabb288c55068a8703b121b11163aef28aaf65b2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        maintenanceservice.exe
        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 768KB
        • SHA256 2a159a0e141d2ef214c4b6f30a7f6ae7fd03f1d096140bb38fdd33ed1f1b8c11
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        OSE.EXE
        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 748KB
        • SHA256 0d173f7f38103e8a3c3007c277864400009202c133f1f3d90032c5f13112ab2b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setup.vir
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.vir
        • Size 6.5MB
        • SHA256 8b9b2d412126c092ae6f5ca2cb6005a8333d50c7fbb34fd08d3c426ebb3d046e
        • 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 db8d68033c3288091ee94d023380598c2100bf69e6fa999aa5bcc3bbdafd380d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        iexplore.exe
        • Path C:\Program Files\Internet Explorer\iexplore.exe
        • Size 1.3MB
        • SHA256 c8a1dd931b8ddd8d169bf84a7ce69592af4bd85432efad267ba2028afbaa047c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        powershell.exe
        • Path C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        • Size 931KB
        • SHA256 81d2c9623896f7e9eb4341d91537d20ec38bcb0b8c34d3eaa412857631cf2e04
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AgentService.exe
        • Path C:\Windows\System32\AgentService.exe
        • Size 1.7MB
        • SHA256 a6dece13009b4b2ab0e670f99b58b3e198e5032686bdd22b187fa4a72fe19bdf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Appvclient.vir
        • Path C:\Windows\System32\Appvclient.vir
        • Size 1.2MB
        • SHA256 fe037738d4561c2766d5160209b327a898c76f6eeb726e6be901d4208201296b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ssh-agent.exe
        • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
        • Size 882KB
        • SHA256 7f816a43168e878d93a954bdd41ff3ef4ae276b90f7f60051e650cdd0b2834b9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wbengine.exe
        • Path C:\Windows\System32\wbengine.exe
        • Size 2.0MB
        • SHA256 fddb5a0fb9178ee9d3dcba48bc3470ea71e29fe2968b5e41667c40b7ba0c58df
        • 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/1140-17-0x0000000140000000-0x000000014041D000-memory.dmp
        Download

        memory/1140-16-0x0000000140000000-0x000000014041D000-memory.dmp
        Download

        memory/1964-67-0x0000000140000000-0x00000001402F4000-memory.dmp
        Download

        memory/1964-68-0x0000000140000000-0x00000001402F4000-memory.dmp
        Download

        memory/2428-74-0x0000000140000000-0x000000014034A000-memory.dmp
        Download

        memory/2428-75-0x0000000140000000-0x000000014034A000-memory.dmp
        Download

        memory/3696-60-0x0000000140000000-0x0000000140236000-memory.dmp
        Download

        memory/3696-61-0x0000000140000000-0x0000000140236000-memory.dmp
        Download

        memory/3952-30-0x0000000140000000-0x0000000140209000-memory.dmp
        Download

        memory/3952-29-0x0000000140000000-0x0000000140209000-memory.dmp
        Download

        memory/3988-49-0x0000000140000000-0x0000000140203000-memory.dmp
        Download

        memory/3988-48-0x0000000140000000-0x0000000140203000-memory.dmp
        Download

        memory/4588-23-0x0000000140000000-0x0000000140408000-memory.dmp
        Download

        memory/4920-0-0x0000000000400000-0x00000000007A0000-memory.dmp
        Download

        memory/4920-1-0x0000000000400000-0x00000000007A0000-memory.dmp
        Download