Overview

overview

10

Static

static

10

2026-05-28...op.exe

windows10-2004-x64

10

2026-05-28...op.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/05/2026, 14:53

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General

  • Target
    2026-05-28_a60026826e53f0e4561ed360e8453ad9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
  • Size 361KB
  • Sample260528-r9lwssds21
  • SHA256 c12a5ea016a0a52909263ae07b1cd03fe36981d851da43872566671f1ff428c5
  • 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\2026-05-28_a60026826e53f0e4561ed360e8453ad9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_a60026826e53f0e4561ed360e8453ad9_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:2228
    • C:\Temp\rpjhczurmkecwupm.exe
      C:\Temp\rpjhczurmkecwupm.exe run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2168
    • 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:2092
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2092 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3780
  • C:\Temp\rpjhczurmkecwupm.sys
    C:\Temp\rpjhczurmkecwupm.sys
    1⤵
    • Executes dropped EXE
    PID:920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        rpjhczurmkecwupm.exe
        • Path C:\Temp\rpjhczurmkecwupm.exe
        • Size 361KB
        • SHA256 817fa5e38660f7404571a761a770b624914203a6b6c4fa4e34a9b8fbe654a5bd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        rpjhczurmkecwupm.sys
        • Path C:\Temp\rpjhczurmkecwupm.sys
        • Size 293KB
        • SHA256 e844f9808357e40267b9eae051b9fcef774c622698e59a7b7d5fe87dc52bba80
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 471B
        • SHA256 4d3e14cc3ba0b5ef8d4d3021e03cc79a5804bbc100e0be2a2acb2a311350d9d5
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
        • Size 416B
        • SHA256 6f865c5bf15b7e91638efadc1ac72a78619cd19211a660f67930837d520f6ae7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        suggestions[1].en-US
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PR277DYB\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 1380391c6d31c7fda3ca55b6603b94bfbb4efacb9d40d7ee386ea6972695848a
        • MD5 SHA1 SHA512
        Submit Download

        memory/920-9-0x0000000000010000-0x00000000000AB000-memory.dmp
        Download