Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/07/2026, 23:16

General

  • Target
    2026-07-19_29c77b617ef558c89a90673cbfe85cd1_elex_rhadamanthys_stop.exe
  • Size 366KB
  • Sample260719-29dwasft5l
  • SHA256 5040b8e2116aea47eeabe9770cd7ab0df0ba6bb98f13c57c766dccd2c1c22569
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (257) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-19_29c77b617ef558c89a90673cbfe85cd1_elex_rhadamanthys_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-19_29c77b617ef558c89a90673cbfe85cd1_elex_rhadamanthys_stop.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1552
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3804
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a21B7.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4436
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5672
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1108
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1076
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3204
  • C:\Windows\uninstall\rundl132.exe
    C:\Windows\uninstall\rundl132.exe
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2212

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXBCB8.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCXBCB8.tmp
        • Size 95KB
        • SHA256 b87379637ac62a7108660e7aca7f3452a97de55668ef78c30a5a2badc7f59213
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC024.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCXC024.tmp
        • Size 104KB
        • SHA256 d7c87fc6fe97e1be6def183df232fed8b23716f509374965248f0617683a78a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXBE08.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCXBE08.tmp
        • Size 119KB
        • SHA256 e38bffd3f02fed11a8d13d60e2bd94c56bc5c69be1e643c688cc4531d230ba65
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC1FC.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXC1FC.tmp
        • Size 101KB
        • SHA256 68462fde0faa68afbfb632ecf136c01269960e487a07d454983d324ea8e4574d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXAF33.tmp

        • Path C:\Program Files\7-Zip\RCXAF33.tmp
        • Size 92KB
        • SHA256 42435bbcacc2470e86b9d3d6cbed980c3ca74134e80faaee578b13d3fac1b924
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB0C1.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXB0C1.tmp
        • Size 93KB
        • SHA256 9971dacd382c864bfdc2128c78223d554099d872ba0f68d8ee9b40681d072a83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe.Exe

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe.Exe
        • Size 4.3MB
        • SHA256 d9f5d917e132e914d3ca0f6746fde2160badac289e5be56a7622de3c495de7c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB3F2.tmp

        • Path C:\Program Files\Mozilla Firefox\RCXB3F2.tmp
        • Size 92KB
        • SHA256 5d7fce6492c8ac83b77ace5f18c26765e119008b7f0909e5b949b156b3c12886
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC682.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCXC682.tmp
        • Size 93KB
        • SHA256 cc9fa544fefa1656f775be2d9b0816e93c99b1c942053da2ee633935d8855d0a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a21B7.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a21B7.bat
        • Size 734B
        • SHA256 f1de62ce1d20336b032983709c8f75c70e8eb61f4abbbd431837aa9a592a5079
        • MD5 SHA1 SHA512 TLSH

        2026-07-19_29c77b617ef558c89a90673cbfe85cd1_elex_rhadamanthys_stop.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-19_29c77b617ef558c89a90673cbfe85cd1_elex_rhadamanthys_stop.exe.exe
        • Size 273KB
        • SHA256 f3b9e1824d7eb47b580ceec511e25447b3de9f80baf83502b57c85681ed483b3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 de7dc2be50b8a854f4eed8403a3e070f374fc0fac896e63f7a31948cf71f71d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

        • Path C:\Windows\system32\drivers\etc\hosts
        • Size 842B
        • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
        • MD5 SHA1 SHA512 TLSH

        memory/2212-17-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2692-10-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5672-20-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5672-1018-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5672-1259-0x0000000000400000-0x0000000000429000-memory.dmp