Overview

overview

10

Static

static

10

2026-04-16...op.exe

windows10-2004-x64

10

2026-04-16...op.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/04/2026, 03:51

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General

  • Target
    2026-04-16_2cbb84558f1a209748d7a2023544dd47_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
  • Size 376KB
  • Sample260416-ee1egse16p
  • SHA256 47b6100243b7ad0787bae0bcfa28a61fd8b4a1ed2c4e000d3b73d7598f499f86
  • 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\2026-04-16_2cbb84558f1a209748d7a2023544dd47_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-16_2cbb84558f1a209748d7a2023544dd47_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:2300
    • C:\Temp\usmkecxupmhfzxrp.exe
      C:\Temp\usmkecxupmhfzxrp.exe run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4756
    • 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:4820
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4820 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3424
  • C:\Temp\usmkecxupmhfzxrp.sys
    C:\Temp\usmkecxupmhfzxrp.sys
    1⤵
    • Executes dropped EXE
    PID:2628

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        usmkecxupmhfzxrp.exe
        • Path C:\Temp\usmkecxupmhfzxrp.exe
        • Size 376KB
        • SHA256 1454905fdb17c5c00a018b8aade8812e447016d0a20daa986b0e0e0f59e73e2f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        usmkecxupmhfzxrp.sys
        • Path C:\Temp\usmkecxupmhfzxrp.sys
        • Size 293KB
        • SHA256 b321e5fec31c6a4b171946af82d9978f31070536b530f50445c78549a283e997
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 471B
        • SHA256 8296777a1b25c7696ab6b0d0f98a7924a5d5ceff01f85570eaab5f6f0fa576f5
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 416B
        • SHA256 7f91ef7183d97464b2c422cf185872b1c0d669f5860ce269cd102c92f25386d7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        suggestions[1].en-US
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MWEJF4X0\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 e5439421b2fb20c24eba9b2dba086618694db7d10a3803c385203930e12e7c77
        • MD5 SHA1 SHA512
        Submit Download

        memory/2628-9-0x0000000000010000-0x00000000000AB000-memory.dmp
        Download