Overview

overview

9

Static

static

3

2026-05-08...op.exe

windows10-2004-x64

9

2026-05-08...op.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    142s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08/05/2026, 22:03

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General

  • Target
    2026-05-08_479abfb8e4158edb4c1f953cc75f645c_elex_rhadamanthys_stop.exe
  • Size 217KB
  • Sample260508-1yllbsey8z
  • SHA256 8b1ab62437eed88402ce35af8c0c58a408f3f158cbecfaabb7d91644220c0282
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

Malware Config

Signatures

  • Custom signature
    UPX dump on OEP (original entry point) 4 IoCs
  • Drops file in Drivers directory 39 IoCs
  • Manipulates Digital Signatures 2 IoCs

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Drops autorun.inf file 1 TTPs 26 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-08_479abfb8e4158edb4c1f953cc75f645c_elex_rhadamanthys_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-08_479abfb8e4158edb4c1f953cc75f645c_elex_rhadamanthys_stop.exe"
    1⤵
    • Drops file in Drivers directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\AE 0124 BE.exe
      "C:\Windows\AE 0124 BE.exe"
      2⤵
      • Drops file in Drivers directory
      • Manipulates Digital Signatures
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5876
      • C:\Windows\SysWOW64\drivers\winlogon.exe
        "C:\Windows\System32\drivers\winlogon.exe"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4724
    • C:\Windows\SysWOW64\drivers\winlogon.exe
      "C:\Windows\System32\drivers\winlogon.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Drops autorun.inf file
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5408
      • C:\Windows\SysWOW64\drivers\winlogon.exe
        "C:\Windows\System32\drivers\winlogon.exe"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3888

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        AE 0124 BE.exe
        • Path C:\Windows\AE 0124 BE.exe
        • Size 217KB
        • SHA256 4344629b2132b0f749e92329c83bce504c94f4956d80a99c0106e1800222e47b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSVBVM60.DLL
        • Path C:\Windows\MSVBVM60.DLL
        • Size 1.4MB
        • SHA256 898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        winlogon.exe
        • Path C:\Windows\SysWOW64\drivers\winlogon.exe
        • Size 235KB
        • SHA256 8b52ea46a040d5652c0af4d8180fea9098e413217ff4a9a01c481c33b71b6ebb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        B1uv3nth3x1.diz
        • Path \??\c:\B1uv3nth3x1.diz
        • Size 21B
        • SHA256 814649b436ea43dd2abb99693e06019d4079ee74d02a0395913add0ba92d0189
        • MD5 SHA1 SHA512
        Submit Download

        memory/5876-11-0x0000000000400000-0x000000000040A000-memory.dmp
        Download

        memory/5876-322-0x0000000000400000-0x000000000040A000-memory.dmp
        Download

        memory/5876-440-0x0000000000400000-0x000000000040A000-memory.dmp
        Download