Overview

overview

10

Static

static

10

2026-04-24...op.exe

windows10-2004-x64

10

2026-04-24...op.exe

windows11-21h2-x64

10

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
    24/04/2026, 12:33

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General

  • Target
    2026-04-24_2af84f77c18947c6477804fb22acee41_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
  • Size 376KB
  • Sample260424-pradyah16w
  • SHA256 2b3e1daf2776845a17ccfac7ba44761363f05461423e532c25ca0319c63e7361
  • 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 32 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\2026-04-24_2af84f77c18947c6477804fb22acee41_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_2af84f77c18947c6477804fb22acee41_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:1824
    • C:\Temp\cwuomhbztrmjebwu.exe
      C:\Temp\cwuomhbztrmjebwu.exe run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1816
    • 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:1892
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1892 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4892
  • C:\Temp\cwuomhbztrmjebwu.sys
    C:\Temp\cwuomhbztrmjebwu.sys
    1⤵
    • Executes dropped EXE
    PID:1896

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        cwuomhbztrmjebwu.exe
        • Path C:\Temp\cwuomhbztrmjebwu.exe
        • Size 376KB
        • SHA256 bb256cbedf4c8827ab45f236d4d0f6effbaa32be4d2b8148e489e2b94d89adef
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        cwuomhbztrmjebwu.sys
        • Path C:\Temp\cwuomhbztrmjebwu.sys
        • Size 293KB
        • SHA256 a5e67582a52da38d3871db37e36487ebde713eacfc9f58afacc5dab52c81c8cf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        8A7891822FCFF127E4EADADE9757112B
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8A7891822FCFF127E4EADADE9757112B
        • Size 1KB
        • SHA256 f0efadceab8237df452a2a201414a68196ea8b4c876c9c7af1e06a3ec3cf8f29
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        8A7891822FCFF127E4EADADE9757112B
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8A7891822FCFF127E4EADADE9757112B
        • Size 246B
        • SHA256 cafa0b68752c70d30e64121529fbd834da781c30c6c47e891169cc304fe937e3
        • 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 d9aa3ad4ce4578358b64aaeb84f39464f0e6e939936f3c093d8d30cc333662ee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1896-9-0x0000000000010000-0x00000000000AB000-memory.dmp
        Download