Overview

overview

10

Static

static

10

2026-08-16...op.exe

windows10-2004-x64

10

2026-08-16...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/08/2026, 04:32

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General

  • Target
    2026-08-16_582856dbb61fdea96f79941a37a0fbf5_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
  • Size 376KB
  • Sample260816-e56desdj51
  • SHA256 f69a0cc73d56c4da244cbc2947e28b22c0ef1cefcd8b541da85324a675a6dc6b
  • 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 35 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\2026-08-16_582856dbb61fdea96f79941a37a0fbf5_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_582856dbb61fdea96f79941a37a0fbf5_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:3140
    • C:\Temp\usnkfdxvpnhfaxsq.exe
      C:\Temp\usnkfdxvpnhfaxsq.exe run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4068
    • 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:3324
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3324 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4116
  • C:\Temp\usnkfdxvpnhfaxsq.sys
    C:\Temp\usnkfdxvpnhfaxsq.sys
    1⤵
    • Executes dropped EXE
    PID:2928

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        usnkfdxvpnhfaxsq.exe
        • Path C:\Temp\usnkfdxvpnhfaxsq.exe
        • Size 376KB
        • SHA256 f3b64934ecde30da89b65b16bdf1eee2f353297816ad91f4bb1c050e460f6cd3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        usnkfdxvpnhfaxsq.sys
        • Path C:\Temp\usnkfdxvpnhfaxsq.sys
        • Size 293KB
        • SHA256 5ac03e3ae7678e36275d2615ff1d0b1efa638f3803d9f54a349d603ccc522471
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 471B
        • SHA256 2dc01be8638c6e3286bcca5d915cbe6c98e128df2470913fcbeda9044602fe17
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 416B
        • SHA256 bd8a515abd2302d3742a582ed836d330c7b363570e364683fc1cfe8cf98d2f10
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        suggestions[1].en-US
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FVK2FCOF\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 4e061808420586dad197f4d0f877dd2746da63bcbec516485ffe3180152e0536
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/2928-9-0x0000000000010000-0x00000000000AB000-memory.dmp
        Download