Overview

overview

10

Static

static

10

2026-05-24...op.exe

windows10-2004-x64

10

2026-05-24...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
    24/05/2026, 22:48

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General

  • Target
    2026-05-24_b584b12c27f8650e000516c4545fb131_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
  • Size 361KB
  • Sample260524-2rf8psgy2p
  • SHA256 48e141b3a122e6e99f3d2de1d562750fcf6cb4643d8d191d4a7db50ff0f52d04
  • 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\2026-05-24_b584b12c27f8650e000516c4545fb131_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-24_b584b12c27f8650e000516c4545fb131_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:4964
    • C:\Temp\mkecwupmhfzxrpjh.exe
      C:\Temp\mkecwupmhfzxrpjh.exe run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1720
    • 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:5100
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5100 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3532
  • C:\Temp\mkecwupmhfzxrpjh.sys
    C:\Temp\mkecwupmhfzxrpjh.sys
    1⤵
    • Executes dropped EXE
    PID:656

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        mkecwupmhfzxrpjh.exe
        • Path C:\Temp\mkecwupmhfzxrpjh.exe
        • Size 361KB
        • SHA256 cc1043a194f3203f3aec7acd6e357c40df271bebb391a1c0ee99a44bddcee45c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mkecwupmhfzxrpjh.sys
        • Path C:\Temp\mkecwupmhfzxrpjh.sys
        • Size 293KB
        • SHA256 37303e2ebf1303b9090d2da08ad2790d839b13341ca52188de576760260060c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 471B
        • SHA256 383b720c4f82f4c7bc07cbb54fbca48471dab0db90a0b2217bdbec0e597ef220
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 416B
        • SHA256 6c8bca29ddd14b1a314083cd63adbd80c28bcd95f57f839a219d1c21afd73561
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        suggestions[1].en-US
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Q21GBDYU\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 ecafa1e5407d353ab2f8600ecfc6e4d1153a7305c30f06a9184bb485b816c611
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/656-9-0x0000000000010000-0x00000000000AB000-memory.dmp
        Download