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
    154s
  • 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, 17:18

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General

  • Target
    2026-05-19_6a0c94fb4bbfa805ad93a2a5e1777c76_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
  • Size 376KB
  • Sample260519-vvlt2act3k
  • SHA256 9052b52921842016405f033a27b4992c7500a4c4844986ae28ad20ada81eb598
  • 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\2026-05-19_6a0c94fb4bbfa805ad93a2a5e1777c76_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_6a0c94fb4bbfa805ad93a2a5e1777c76_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:4984
    • C:\Temp\zwrojhbztrmjebwu.exe
      C:\Temp\zwrojhbztrmjebwu.exe run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:944
    • 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:4620
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4620 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1524
  • C:\Temp\zwrojhbztrmjebwu.sys
    C:\Temp\zwrojhbztrmjebwu.sys
    1⤵
    • Executes dropped EXE
    PID:4352

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        zwrojhbztrmjebwu.exe
        • Path C:\Temp\zwrojhbztrmjebwu.exe
        • Size 376KB
        • SHA256 3335f6e684971203d51c33f279f3d2c52ad9f93ae512feb04d22fbac14fc1d8b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        zwrojhbztrmjebwu.sys
        • Path C:\Temp\zwrojhbztrmjebwu.sys
        • Size 293KB
        • SHA256 331f08fb67b7073a50068c647a6d27631ab9208bcec8ede19f884256c3f6e765
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 471B
        • SHA256 edafe1efe1e8113eb6f8e7f72ec3d7ecd54f6728158fcc0ff9f3eb97487bdc55
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 416B
        • SHA256 54a70466d5abb25475458484a1fe91c446480be6b22fabd9d5367e004798a6de
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        suggestions[1].en-US
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BDAHZAG5\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 ce1411eb107c32a289ca42ccc05352561c21ddaf06172c196486ef96abb60bd5
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/4352-9-0x0000000000010000-0x00000000000AB000-memory.dmp
        Download