Overview

overview

6

Static

static

3

2026-04-19...ee.exe

windows10-2004-x64

6

2026-04-19...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/04/2026, 03:48

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General

  • Target
    2026-04-19_882f356438cc65586fceda9c4dbeec2e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 780KB
  • Sample260419-ecslvsht21
  • SHA256 970eb0f6f1c089dcff006987adc4ca75676c0e6ff392db8146db2e6c543fd633
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discoverypersistence

Malware Config

Signatures

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

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

    discovery
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 22 IoCs
  • Drops file in Windows directory 64 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.

    discovery
  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-19_882f356438cc65586fceda9c4dbeec2e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-19_882f356438cc65586fceda9c4dbeec2e_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:4100
  • C:\Users\Admin\AppData\Local\Temp\2026-04-19_882f356438cc65586fceda9c4dbeec2e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-19_882f356438cc65586fceda9c4dbeec2e_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:1976

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX51B9.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCX51B9.tmp
        • Size 782KB
        • SHA256 1aafd7b65c2e32c379c32af14791610c636f31a420ca2e16c6c48fdea581dbb8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Edgemsedgeproxy139.0.3405.125.exe
        • Path C:\Program Files (x86)\Microsoft\Edge\Application\Edgemsedgeproxy139.0.3405.125.exe
        • Size 1.3MB
        • SHA256 c7d505e29b077694623fbebf2bb5da698a11379bf86e05945c03e708f094ae96
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mpasdescoperativo.exe
        • Path C:\Program Files (x86)\Windows Defender\it-IT\mpasdescoperativo.exe
        • Size 780KB
        • SHA256 970eb0f6f1c089dcff006987adc4ca75676c0e6ff392db8146db2e6c543fd633
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXF870.tmp
        • Path C:\Windows\assembly\GAC_MSIL\Policy.14.0.Microsoft.Office.Interop.PowerPoint\15.0.0.0__71e9bce111e9429c\RCXF870.tmp
        • Size 782KB
        • SHA256 26aa2124a16be5b18dbcfc868bc4816e5acdb9c959ccb5ab2b979989cff49a37
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download