Overview

overview

10

Static

static

10

2026-08-03...at.exe

windows10-2004-x64

9

2026-08-03...at.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 17:48

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General

  • Target
    2026-08-03_75034464ea4b0099166b910cf467e7e2_cryptbot_elex_luca-stealer_mespinoza_njrat.exe
  • Size 2.9MB
  • Sample260803-wdyypsvbpd
  • SHA256 6a6cab60ce66af8b585b8eae1e7e0d17d153e205560a5278a5d762c5523bbb36
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
credential_accessdiscoverypersistencespywarestealer

Malware Config

Signatures

  • Detects executables packed with VMProtect. 23 IoCs
  • Executes dropped EXE 7 IoCs
  • Modifies system executable filetype association 2 TTPs 8 IoCs
    persistence
  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_75034464ea4b0099166b910cf467e7e2_cryptbot_elex_luca-stealer_mespinoza_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_75034464ea4b0099166b910cf467e7e2_cryptbot_elex_luca-stealer_mespinoza_njrat.exe"
    1⤵
    • Modifies system executable filetype association
    • 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
    • Suspicious use of SetWindowsHookEx
    PID:3724
  • 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:980
  • 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:4256
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:460
  • \??\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:1672
  • C:\Windows\System32\OpenSSH\ssh-agent.exe
    C:\Windows\System32\OpenSSH\ssh-agent.exe
    1⤵
    • Executes dropped EXE
    PID:1308
  • C:\Windows\system32\AgentService.exe
    C:\Windows\system32\AgentService.exe
    1⤵
    • Executes dropped EXE
    PID:2652
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Executes dropped EXE
    PID:2332

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 1cf3bd5c3f0896e14174b5f348354922fdbb1cf30224641f420f72072af4e1ca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        maintenanceservice.exe
        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 768KB
        • SHA256 ffb8935b7329fe6de86a93c4b06552794bf7c6daca77cfb91ce0681cb0500783
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        OSE.EXE
        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 748KB
        • SHA256 63e5692c63c5d17be852331017fb840e4861553da74a718ee33446a7a5937701
        • 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 97371758b16e8bb869fa2adf92bddcb093c6d88ed61363834492515f272170f3
        • 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 9674f6efd9d44c236e55cedb5ac7146c23e49451edfd4ea64e53f00aed1d7c2b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AgentService.exe
        • Path C:\Windows\System32\AgentService.exe
        • Size 1.3MB
        • SHA256 37c64f32c293ccba8dece2c4d642f69505f848592fc4ab6429bbfb5a4e75a22c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ssh-agent.exe
        • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
        • Size 1.0MB
        • SHA256 aeeadd644a0768729ef1cfbf7f739f8c65e9a2372d72427441dbaf96e19c543d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wbengine.exe
        • Path C:\Windows\System32\wbengine.exe
        • Size 2.0MB
        • SHA256 1c1ff1df4b55d3a9b25f61f944cbcb19084d45d5a86bfb915d67b96e7b3d5a11
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/460-22-0x0000000140000000-0x000000014020A000-memory.dmp
        Download

        memory/460-23-0x0000000140000000-0x000000014020A000-memory.dmp
        Download

        memory/980-11-0x0000000140000000-0x000000014041E000-memory.dmp
        Download

        memory/1308-50-0x0000000140000000-0x0000000140273000-memory.dmp
        Download

        memory/1308-49-0x0000000140000000-0x0000000140273000-memory.dmp
        Download

        memory/1672-38-0x0000000140000000-0x0000000140204000-memory.dmp
        Download

        memory/1672-37-0x0000000140000000-0x0000000140204000-memory.dmp
        Download

        memory/2332-61-0x0000000140000000-0x000000014033E000-memory.dmp
        Download

        memory/2332-62-0x0000000140000000-0x000000014033E000-memory.dmp
        Download

        memory/2652-55-0x0000000140000000-0x000000014029C000-memory.dmp
        Download

        memory/2652-56-0x0000000140000000-0x000000014029C000-memory.dmp
        Download

        memory/3724-0-0x0000000000400000-0x00000000008A6000-memory.dmp
        Download

        memory/3724-10-0x0000000000400000-0x00000000008A6000-memory.dmp
        Download

        memory/4256-17-0x0000000140000000-0x0000000140409000-memory.dmp
        Download

        memory/4256-16-0x0000000140000000-0x0000000140409000-memory.dmp
        Download