Overview

overview

6

Static

static

3

2026-04-18...ee.exe

windows10-2004-x64

6

2026-04-18...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/04/2026, 03:47

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General

  • Target
    2026-04-18_41c2bf7a64ef5dfe3e23b3a48bddf1d2_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.3MB
  • Sample260418-ecafaafz5x
  • SHA256 06468fa929c31d77350d7d19161ab9e308f45150a043f6f156f79c0ef0120235
  • 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 38 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 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_41c2bf7a64ef5dfe3e23b3a48bddf1d2_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-18_41c2bf7a64ef5dfe3e23b3a48bddf1d2_elex_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:3644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 1472
      2⤵
      • Program crash
      PID:564
  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_41c2bf7a64ef5dfe3e23b3a48bddf1d2_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-18_41c2bf7a64ef5dfe3e23b3a48bddf1d2_elex_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:2896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 1424
      2⤵
      • Program crash
      PID:1632
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3644 -ip 3644
    1⤵
      PID:1840
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2896 -ip 2896
      1⤵
        PID:868

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            RCX3CC8.tmp
            • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\ja\RCX3CC8.tmp
            • Size 1.3MB
            • SHA256 c8656d86c01d0902ae741ae406e502344b48cf1e06c78f6d169f928247220641
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            mpasdescWindows4.18.1907.16384.exe
            • Path C:\Program Files (x86)\Windows Defender\ja-JP\mpasdescWindows4.18.1907.16384.exe
            • Size 1.3MB
            • SHA256 06468fa929c31d77350d7d19161ab9e308f45150a043f6f156f79c0ef0120235
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download