Analysis

  • max time kernel
    89s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 07:50

General

  • Target
    2026-09-24_6af7f215bae20da062e3e094d7011c56_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.0MB
  • Sample260925-jpf6tacb24
  • SHA256 23547664ff0e820d0fd17de025f156aee48b4bff4244a042e36188b8a70fb158
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 32 IoCs
  • Drops file in Windows directory 37 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-24_6af7f215bae20da062e3e094d7011c56_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-24_6af7f215bae20da062e3e094d7011c56_elex_remcos_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1900
  • C:\Users\Admin\AppData\Local\Temp\2026-09-24_6af7f215bae20da062e3e094d7011c56_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-24_6af7f215bae20da062e3e094d7011c56_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:5880

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        libGLESv2Microsoft.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\libGLESv2Microsoft.exe
        • Size 1.1MB
        • SHA256 9343c44493b4f95e62d80a1ddd9d388231f008f1366f91948af3691beb932794
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcrobatNPPDF32.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\AcrobatNPPDF32.exe
        • Size 1.0MB
        • SHA256 efd58dcb8581b8182aee965b129d630c8f010db30c043e9bd022f14ba1126b8a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeCreate.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeCreate.exe
        • Size 1.1MB
        • SHA256 438a089914b29ac9cd7a6f7a8f6975ae7e1e16517e78a997a8c0cf2bca673756
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HandlerJP2KLib91.603136.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\HandlerJP2KLib91.603136.exe
        • Size 1.0MB
        • SHA256 2dbd909a0801a16efef77d291bc31335b5602362979678ca762dd255f8cfa579
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nonPDFLink.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\nonPDFLink.exe
        • Size 1.6MB
        • SHA256 5d6d5734f4a5fac72a0907f3cdd7b2d01085f0de49e8d9a0a9b5f59f5770e49e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsSystem.exe

        • Path C:\Program Files (x86)\Common Files\System\WindowsSystem.exe
        • Size 1.0MB
        • SHA256 23547664ff0e820d0fd17de025f156aee48b4bff4244a042e36188b8a70fb158
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WAB32resoperativo.exe

        • Path C:\Program Files (x86)\Common Files\System\it-IT\WAB32resoperativo.exe
        • Size 1.0MB
        • SHA256 aff89dfa96eb56062feabb7c2f5c5df99adc5d3140a10837a396975249d425b7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        resourcesMicrosoft.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\it\resourcesMicrosoft.exe
        • Size 1.1MB
        • SHA256 efdc456779735a1338960972d68470830fcf1a82d2dbc426599a51110181eb34
        • MD5 SHA1 SHA512 SSDEEP TLSH