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
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 13:21

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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. 24 IoCs
  • Executes dropped EXE 7 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 58 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 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:828
  • 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:3836
  • 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:1768
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:1828
  • \??\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:4368
  • C:\Windows\System32\OpenSSH\ssh-agent.exe
    C:\Windows\System32\OpenSSH\ssh-agent.exe
    1⤵
    • Executes dropped EXE
    PID:3668
  • C:\Windows\system32\AgentService.exe
    C:\Windows\system32\AgentService.exe
    1⤵
    • Executes dropped EXE
    PID:1084
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Executes dropped EXE
    PID:2864

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 1ed30a5574bec4cbcdbb37a9013b4d6cbe6f7abb6303116e05d8f34209d484f7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        maintenanceservice.exe
        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 820KB
        • SHA256 46fe1986d929758705029f67be63b7e38a45e58107e754445e6cddf6f249eb58
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        OSE.EXE
        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 800KB
        • SHA256 8d17af80fcc22c4e8f61c92c8de8308399f49fc00775dc05afab8f4c008380b6
        • 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 d697524e97b6809945b710c68c48d3982b62afc38d4d9d72dfb4388e8453bf67
        • 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 c80a1060d0f644efc568e6e6ead85c815a33132188b66997f1388d947bd08e31
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AgentService.exe
        • Path C:\Windows\System32\AgentService.exe
        • Size 1.4MB
        • SHA256 64ee1016c24cf672fa42af7bd8d2617d58b8cd686832cbc116c0517e9f96b422
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ssh-agent.exe
        • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
        • Size 1.1MB
        • SHA256 6020033199ce674f4889fd5ed101a9e47779636bc53911dd69604bb33aa21139
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wbengine.exe
        • Path C:\Windows\System32\wbengine.exe
        • Size 2.0MB
        • SHA256 2a4aaea934ec758259b2b5edcaf7c8bc09dc06d1c7f99f4b7fb5b27b8d571e9f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/828-1-0x0000000000400000-0x00000000007B6000-memory.dmp
        Download

        memory/828-0-0x0000000000400000-0x00000000007B6000-memory.dmp
        Download

        memory/1084-55-0x0000000140000000-0x00000001402B2000-memory.dmp
        Download

        memory/1084-54-0x0000000140000000-0x00000001402B2000-memory.dmp
        Download

        memory/1768-15-0x0000000140000000-0x000000014041F000-memory.dmp
        Download

        memory/1768-16-0x0000000140000000-0x000000014041F000-memory.dmp
        Download

        memory/1828-22-0x0000000140000000-0x0000000140220000-memory.dmp
        Download

        memory/1828-21-0x0000000140000000-0x0000000140220000-memory.dmp
        Download

        memory/2864-60-0x0000000140000000-0x0000000140354000-memory.dmp
        Download

        memory/2864-61-0x0000000140000000-0x0000000140354000-memory.dmp
        Download

        memory/3668-48-0x0000000140000000-0x0000000140289000-memory.dmp
        Download

        memory/3668-49-0x0000000140000000-0x0000000140289000-memory.dmp
        Download

        memory/3836-10-0x0000000140000000-0x0000000140434000-memory.dmp
        Download

        memory/3836-9-0x0000000140000000-0x0000000140434000-memory.dmp
        Download

        memory/4368-37-0x0000000140000000-0x000000014021A000-memory.dmp
        Download

        memory/4368-36-0x0000000140000000-0x000000014021A000-memory.dmp
        Download