Overview

overview

6

Static

static

3

2026-05-04...ee.exe

windows10-2004-x64

6

2026-05-04...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
    04/05/2026, 15:59

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General

  • Target
    2026-05-04_3a61f6e01dba21cce7c2aeaa9439eef7_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.3MB
  • Sample260504-te14cae18v
  • SHA256 cd4331521b291799b5c43b94f0263e5d27b4ceee288d90108543236b6f71abf4
  • 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 42 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 58 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-04_3a61f6e01dba21cce7c2aeaa9439eef7_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-04_3a61f6e01dba21cce7c2aeaa9439eef7_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:6056
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6056 -s 1436
      2⤵
      • Program crash
      PID:1240
  • C:\Users\Admin\AppData\Local\Temp\2026-05-04_3a61f6e01dba21cce7c2aeaa9439eef7_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-05-04_3a61f6e01dba21cce7c2aeaa9439eef7_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:3604
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 1536
      2⤵
      • Program crash
      PID:3968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 6056 -ip 6056
    1⤵
      PID:2876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3604 -ip 3604
      1⤵
        PID:1384

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            RCX25B7.tmp
            • Path C:\Program Files (x86)\Common Files\System\ja-JP\RCX25B7.tmp
            • Size 1.3MB
            • SHA256 89b327634fbf28c5bfb9fb7c07b1128b43b9d85c5c863ed335f8bdee8b63d1ab
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Authenticationmsedge.exe
            • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Authenticationmsedge.exe
            • Size 1.3MB
            • SHA256 cd4331521b291799b5c43b94f0263e5d27b4ceee288d90108543236b6f71abf4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download