Overview

overview

6

Static

static

3

2026-04-20...ee.exe

windows10-2004-x64

6

2026-04-20...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
    20/04/2026, 14:04

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General

  • Target
    2026-04-20_b242ea46ecbc9fbca9d3ade41e95bb37_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260420-rdc9sacw2q
  • SHA256 412b3ca63caee71c4b4cde39ef9a7883c3d0ea62aa4a63a703ed5699950e4946
  • 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\2026-04-20_b242ea46ecbc9fbca9d3ade41e95bb37_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-20_b242ea46ecbc9fbca9d3ade41e95bb37_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:1456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 1652
      2⤵
      • Program crash
      PID:3708
  • C:\Users\Admin\AppData\Local\Temp\2026-04-20_b242ea46ecbc9fbca9d3ade41e95bb37_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-20_b242ea46ecbc9fbca9d3ade41e95bb37_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:4520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 1396
      2⤵
      • Program crash
      PID:3744
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1456 -ip 1456
    1⤵
      PID:4588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4520 -ip 4520
      1⤵
        PID:3752

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            RCX1A67.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\RCX1A67.tmp
            • Size 1.1MB
            • SHA256 252945fde2e878296c3fd04c7f4fc44a6ae148ba3ea991667a36739b3f0645ab
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCX5C.tmp
            • Path C:\Program Files (x86)\Common Files\System\it-IT\RCX5C.tmp
            • Size 1.1MB
            • SHA256 7612d4e11951f07febe7a0ecc13e2b5fa303022b4eeeeca2824cce3f4fdb1206
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            msdaprsrSystem.exe
            • Path C:\Program Files (x86)\Common Files\System\msadc\en-US\msdaprsrSystem.exe
            • Size 1.1MB
            • SHA256 412b3ca63caee71c4b4cde39ef9a7883c3d0ea62aa4a63a703ed5699950e4946
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download