Overview

overview

10

Static

static

10

2026-05-19...op.exe

windows10-2004-x64

10

2026-05-19...op.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • 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
    19/05/2026, 14:23

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General

  • Target
    2026-05-19_7f211b8e3e58a80ad55c41dbb53d8bcf_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
  • Size 376KB
  • Sample260519-rql3fsey6y
  • SHA256 dde343527abc2bac2dbe0603ebfc2b613eb33b20fb30c499950a5667a6902cbe
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverysystexspywaretrojan

Malware Config

Extracted

Family

  • systex

C2

  • http://xytets.com:2345/t.asp?os=wangba

  • http://xytets.com:2345/t.asp?os=home

  • http://xytets.com:2345/t.asp?ver=xxx&mac=0-0-0-0&os=vm

Signatures

  • Family: Systex

    Systex is a trojan loader written in C++.

    trojansystex
  • Executes dropped EXE 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-19_7f211b8e3e58a80ad55c41dbb53d8bcf_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_7f211b8e3e58a80ad55c41dbb53d8bcf_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Temp\bztrlgbytolgeywq.exe
      C:\Temp\bztrlgbytolgeywq.exe run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:976
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://xytets.com:2345/t.asp?os=home
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4700
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4700 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2800
  • C:\Temp\bztrlgbytolgeywq.sys
    C:\Temp\bztrlgbytolgeywq.sys
    1⤵
    • Executes dropped EXE
    PID:4420

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        bztrlgbytolgeywq.exe
        • Path C:\Temp\bztrlgbytolgeywq.exe
        • Size 376KB
        • SHA256 56af916812b519aa628c2ab852ace19d92082142cad1f2a3f95a8ea0c47a5597
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bztrlgbytolgeywq.sys
        • Path C:\Temp\bztrlgbytolgeywq.sys
        • Size 293KB
        • SHA256 f3e3eb60940e0290a892f33110a5027363eee34b50fd7ff5e3828ebf80eeadc5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        suggestions[1].en-US
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MZB3MSV9\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CreateProcess.exe
        • Path C:\temp\CreateProcess.exe
        • Size 3KB
        • SHA256 975d7425fe38c5e898214cfeac7a88a9743be9dea31a81457f4820825d6746cd
        • MD5 SHA1 SHA512
        Submit Download

        memory/4420-9-0x0000000000010000-0x00000000000AB000-memory.dmp
        Download