Overview

overview

6

Static

static

3

2026-04-23...ee.exe

windows10-2004-x64

6

2026-04-23...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
    23/04/2026, 13:59

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General

  • Target
    2026-04-23_3907dc1c32175853fb07a6c22b6bf33e_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.3MB
  • Sample260423-raryrses9k
  • SHA256 360caa79ec0fabfb39e57fa5bf27b57b48e0075f80e2c6ca88b3af14fedee728
  • 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 37 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_3907dc1c32175853fb07a6c22b6bf33e_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_3907dc1c32175853fb07a6c22b6bf33e_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:3400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 1336
      2⤵
      • Program crash
      PID:3480
  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_3907dc1c32175853fb07a6c22b6bf33e_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-23_3907dc1c32175853fb07a6c22b6bf33e_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:3292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1320
      2⤵
      • Program crash
      PID:5568
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3400 -ip 3400
    1⤵
      PID:3192
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3292 -ip 3292
      1⤵
        PID:5576

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            RCX598B.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\RCX598B.tmp
            • Size 1.3MB
            • SHA256 857ed18201280a4e0c97063d1746d7c731af045c31561e7a10d5a3f8c345410e
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCX512B.tmp
            • Path C:\Program Files (x86)\Common Files\Microsoft Shared\Filters\RCX512B.tmp
            • Size 1.3MB
            • SHA256 63bc853c80a06a4d252298f255002c419a8aa06df50cdf2f182482df4303f17d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            vstoeevstoee.exe
            • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\vstoeevstoee.exe
            • Size 1.3MB
            • SHA256 360caa79ec0fabfb39e57fa5bf27b57b48e0075f80e2c6ca88b3af14fedee728
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download