Overview

overview

10

Static

static

10

2026-08-02...ry.exe

windows10-2004-x64

10

2026-08-02...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    117s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 17:48

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General

  • Target
    2026-08-02_8871ea1b91952f437b1c0a8378774351_elex_wannacry.exe
  • Size 991KB
  • Sample260802-wdgdnadn2w
  • SHA256 c4e968d37439e698fb756151ecdeae8836565a1ca8bc9c61d7b0578986c55ed7
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-02_8871ea1b91952f437b1c0a8378774351_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_8871ea1b91952f437b1c0a8378774351_elex_wannacry.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
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:1312
  • 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:4088
  • 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:4268
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:4348
  • \??\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:3284
  • C:\Windows\System32\OpenSSH\ssh-agent.exe
    C:\Windows\System32\OpenSSH\ssh-agent.exe
    1⤵
    • Executes dropped EXE
    PID:120
  • C:\Windows\system32\AgentService.exe
    C:\Windows\system32\AgentService.exe
    1⤵
    • Executes dropped EXE
    PID:2148
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Executes dropped EXE
    PID:472

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 636affba6708a6198f02174908bbbc67edb5a33f31ce87512341c106328dc73a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        maintenanceservice.exe
        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 768KB
        • SHA256 27f450d7d65fb34e000608cd32f0915c9dd3995f227c8f6002b986ef8e7e50e8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        OSE.EXE
        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 748KB
        • SHA256 74f5da3d4a74cf409ae2ed1fb045c63f13849379c4338b6fc358ab5165e29d75
        • 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 46c3650fd6e11666729890bf3cfe35c3d0320357e48e0ce478304a6632a4f605
        • 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 051828c9e306c82c7d6742d9402df209d7d6f940b8384063bfd0f49985b21eec
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AgentService.exe
        • Path C:\Windows\System32\AgentService.exe
        • Size 1.3MB
        • SHA256 e46673d44dea20b25d6a13aedcd49a60cee030257f29aa9b7c7f2b98bfb4c8fa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ssh-agent.exe
        • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
        • Size 1.0MB
        • SHA256 e5156813aa9f6679965f8f750eb131c5bbab6646d9b2c9799e6c088470785ccc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wbengine.exe
        • Path C:\Windows\System32\wbengine.exe
        • Size 2.0MB
        • SHA256 0ce28a5146bce0ddf009030115362bb0656c21c0f6a95cefa59cdc142b8d0889
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/120-48-0x0000000140000000-0x0000000140272000-memory.dmp
        Download

        memory/120-49-0x0000000140000000-0x0000000140272000-memory.dmp
        Download

        memory/472-61-0x0000000140000000-0x000000014033D000-memory.dmp
        Download

        memory/472-60-0x0000000140000000-0x000000014033D000-memory.dmp
        Download

        memory/1312-0-0x0000000000400000-0x0000000000615000-memory.dmp
        Download

        memory/1312-7-0x0000000000400000-0x0000000000615000-memory.dmp
        Download

        memory/2148-54-0x0000000140000000-0x000000014029B000-memory.dmp
        Download

        memory/2148-55-0x0000000140000000-0x000000014029B000-memory.dmp
        Download

        memory/3284-36-0x0000000140000000-0x0000000140203000-memory.dmp
        Download

        memory/3284-37-0x0000000140000000-0x0000000140203000-memory.dmp
        Download

        memory/4088-10-0x0000000140000000-0x000000014041D000-memory.dmp
        Download

        memory/4088-9-0x0000000140000000-0x000000014041D000-memory.dmp
        Download

        memory/4268-16-0x0000000140000000-0x0000000140408000-memory.dmp
        Download

        memory/4268-15-0x0000000140000000-0x0000000140408000-memory.dmp
        Download

        memory/4348-22-0x0000000140000000-0x0000000140209000-memory.dmp
        Download

        memory/4348-21-0x0000000140000000-0x0000000140209000-memory.dmp
        Download