Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 17:48

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

Malware Config

Signatures

  • Detects executables packed with VMProtect. 25 IoCs
  • Executes dropped EXE 8 IoCs
  • Modifies system executable filetype association 2 TTPs 8 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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
  • 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.

  • 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:4340
  • 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:4904
  • 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:5012
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:4792
  • \??\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:4572
  • C:\Windows\System32\OpenSSH\ssh-agent.exe
    C:\Windows\System32\OpenSSH\ssh-agent.exe
    1⤵
    • Executes dropped EXE
    PID:1812
  • C:\Windows\system32\AgentService.exe
    C:\Windows\system32\AgentService.exe
    1⤵
    • Executes dropped EXE
    PID:116
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Executes dropped EXE
    PID:456
  • C:\Windows\servicing\TrustedInstaller.exe
    C:\Windows\servicing\TrustedInstaller.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:1732

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 bb091c812a39da5d3b5def8d7ff84891de700201e42c2574898f3d745307eec0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        maintenanceservice.exe

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 768KB
        • SHA256 963b01e35085f9d62f9564253e3b7563d28be71e4a914eff6c5d5a3a7384e454
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OSE.EXE

        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 748KB
        • SHA256 6876f484ead4579e695932d13d99799b933dc8d2ea9251002c38b1531fe2f785
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.vir

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.vir
        • Size 6.5MB
        • SHA256 1c9bbf27f285e51340129b8348e974b819fca3660a5fd5830c9cc1d483f307ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevation_service.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        • Size 2.8MB
        • SHA256 106376b27b06fd6570fb41b293974f8ef6cdcec7f8297d3a8b2eb1755ef7e2e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        iexplore.exe

        • Path C:\Program Files\Internet Explorer\iexplore.exe
        • Size 1.3MB
        • SHA256 514ef9428cfd508b144a6fc03df610a7c18e14b7b440fe3c3475aff4e39554ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        powershell.exe

        • Path C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        • Size 931KB
        • SHA256 0deea977f7ff69cd0b4913b5c3e04e27b9ce459db4b68ddb9e02be72b30b3232
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AgentService.exe

        • Path C:\Windows\System32\AgentService.exe
        • Size 1.7MB
        • SHA256 1a2bf21255ac13354e98a360456b378c6bc2d7dff15e3b56a32d6ff5e9aa1ded
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Appvclient.vir

        • Path C:\Windows\System32\Appvclient.vir
        • Size 1.2MB
        • SHA256 e8c3cac4221acb02ac2ce3aef982b0a785a97dcf7b8280397d533eb30a500cbe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ssh-agent.exe

        • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
        • Size 882KB
        • SHA256 b8c1afdaf1f3a48a409b854d03bdbffb7579b618117841633731954f513d7b2e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wbengine.exe

        • Path C:\Windows\System32\wbengine.exe
        • Size 2.0MB
        • SHA256 ca83cef777e0bf174a252cd263fc443514fd6232816347ddf8424b6533c69083
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TrustedInstaller.exe

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

        memory/116-69-0x0000000140000000-0x00000001402F5000-memory.dmp

        memory/116-68-0x0000000140000000-0x00000001402F5000-memory.dmp

        memory/456-76-0x0000000140000000-0x000000014034B000-memory.dmp

        memory/456-75-0x0000000140000000-0x000000014034B000-memory.dmp

        memory/1812-62-0x0000000140000000-0x0000000140237000-memory.dmp

        memory/1812-61-0x0000000140000000-0x0000000140237000-memory.dmp

        memory/4340-0-0x0000000000400000-0x00000000008A6000-memory.dmp

        memory/4340-17-0x0000000000400000-0x00000000008A6000-memory.dmp

        memory/4572-50-0x0000000140000000-0x0000000140204000-memory.dmp

        memory/4572-49-0x0000000140000000-0x0000000140204000-memory.dmp

        memory/4792-31-0x0000000140000000-0x000000014020A000-memory.dmp

        memory/4792-30-0x0000000140000000-0x000000014020A000-memory.dmp

        memory/4904-18-0x0000000140000000-0x000000014041E000-memory.dmp

        memory/5012-24-0x0000000140000000-0x0000000140409000-memory.dmp