Overview

overview

6

Static

static

3

2026-05-03...ee.exe

windows10-2004-x64

6

2026-05-03...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    150s
  • 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
    03/05/2026, 16:14

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General

  • Target
    2026-05-03_214ba31689352324d11136b971d99830_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.2MB
  • Sample260503-tp3d6ads5w
  • SHA256 400b55147103f01c34af21d8dedef4a845b613fbefb97f7152017b434d0aaeae
  • 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 53 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-03_214ba31689352324d11136b971d99830_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-03_214ba31689352324d11136b971d99830_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:5020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 1604
      2⤵
      • Program crash
      PID:3256
  • C:\Users\Admin\AppData\Local\Temp\2026-05-03_214ba31689352324d11136b971d99830_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-05-03_214ba31689352324d11136b971d99830_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:4780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 1304
      2⤵
      • Program crash
      PID:4192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5020 -ip 5020
    1⤵
      PID:420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4780 -ip 4780
      1⤵
        PID:2184

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            AdobeAcrobat.exe
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\AdobeAcrobat.exe
            • Size 2.2MB
            • SHA256 0c65b3f8a28a2e5ab74c491d6859688271e5e02799575c249046c0b4405b616f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCX7F1E.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\RCX7F1E.tmp
            • Size 2.2MB
            • SHA256 3c40ec95b7c39fd04032805996fd067bac6d9d2f07d56bacccd2029f02f39434
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            QuickTimeFlash.exe
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\QuickTimeFlash.exe
            • Size 2.2MB
            • SHA256 afb69ecedaf630a250fa41233562d5cdd15a39fcac31704e7fea4f3741527d4b
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCX65A2.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\RCX65A2.tmp
            • Size 2.2MB
            • SHA256 25de8276067d29af8b0e2b67ee8d51ccdd7a4d528ae2a73405c2177140ff712d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            maintenanceserviceinstallerFirefox135.0.exe
            • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceserviceinstallerFirefox135.0.exe
            • Size 2.2MB
            • SHA256 400b55147103f01c34af21d8dedef4a845b613fbefb97f7152017b434d0aaeae
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/4780-202-0x0000000000BD0000-0x0000000000C34000-memory.dmp
            Download

            memory/5020-175-0x00000000024D0000-0x0000000002534000-memory.dmp
            Download