Overview

overview

6

Static

static

3

2026-04-22...ee.exe

windows10-2004-x64

6

2026-04-22...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/04/2026, 04:35

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General

  • Target
    2026-04-22_ff911d3bb14924d3ac78abd566079e50_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 918KB
  • Sample260422-e7y25acz4v
  • SHA256 0218a99e2eb0226141c76e9bdfb33b9e927710fa56f5875fce4006b0c2e1e2cd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discoverypersistence

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 4 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 2 IoCs
  • Drops file in Program Files directory 17 IoCs
  • Program crash 2 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-22_ff911d3bb14924d3ac78abd566079e50_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-22_ff911d3bb14924d3ac78abd566079e50_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
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2128
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1872
      2⤵
      • Program crash
      PID:792
  • C:\Users\Admin\AppData\Local\Temp\2026-04-22_ff911d3bb14924d3ac78abd566079e50_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-22_ff911d3bb14924d3ac78abd566079e50_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 1464
      2⤵
      • Program crash
      PID:896
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 2128
    1⤵
      PID:4516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 796 -ip 796
      1⤵
        PID:3728

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            AdobeAcrobat.exe
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\AdobeAcrobat.exe
            • Size 918KB
            • SHA256 0218a99e2eb0226141c76e9bdfb33b9e927710fa56f5875fce4006b0c2e1e2cd
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCX6270.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\RCX6270.tmp
            • Size 959KB
            • SHA256 3c196502451c41a3ee64e86ad64834148834c49456d4a7fdf926a9dd69e4b2f3
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download