Overview

overview

6

Static

static

3

2026-08-13...ee.exe

windows10-2004-x64

6

2026-08-13...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    135s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/08/2026, 20:06

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General

  • Target
    2026-08-13_bc527b5318089995394d2a1c102df0bf_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample260813-yvhddseq8x
  • SHA256 c29fbb0c240a19d5ff840b4a09b696ae1c4c3c8e56f34ffbed00583223790be4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discoverypersistence

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 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 7 IoCs
  • Drops file in Program Files directory 47 IoCs
  • Drops file in Windows directory 64 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\2026-08-13_bc527b5318089995394d2a1c102df0bf_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-13_bc527b5318089995394d2a1c102df0bf_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:896
  • C:\Users\Admin\AppData\Local\Temp\2026-08-13_bc527b5318089995394d2a1c102df0bf_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-13_bc527b5318089995394d2a1c102df0bf_elex_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1652

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX497A.tmp
        • Path C:\Program Files (x86)\Common Files\System\msadc\ja-JP\RCX497A.tmp
        • Size 2.0MB
        • SHA256 1e376d432008e414e9e82086d98a0410ab3ec0abc201eafbda9a34b60048ff1f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsFormsIntegrationMicrosoftR283.exe
        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\ja\WindowsFormsIntegrationMicrosoftR283.exe
        • Size 2.0MB
        • SHA256 c29fbb0c240a19d5ff840b4a09b696ae1c4c3c8e56f34ffbed00583223790be4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX8C61.tmp
        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Threading\v4.0_4.0.0.0__b03f5f7f11d50a3a\RCX8C61.tmp
        • Size 2.0MB
        • SHA256 69f13bdf57f746f887d08985bf0d173610da6cea775cdba0efa0bcad8d8820f2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download