Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 19:20

General

  • Target
    2026-08-04_8d48fe47584c52878599dfea7727c87e_amadey_elex_manuscrypt_rhadamanthys_stop.exe
  • Size 173KB
  • Sample260804-x2caaawvgv
  • SHA256 c0fa150682fd1326b113f652be9a44dd009674c4a70d3fc3fb0bea49090c4c2b
  • 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 3 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 11 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_8d48fe47584c52878599dfea7727c87e_amadey_elex_manuscrypt_rhadamanthys_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_8d48fe47584c52878599dfea7727c87e_amadey_elex_manuscrypt_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:5672
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4272
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aDD0D.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Users\Admin\AppData\Local\Temp\2026-08-04_8d48fe47584c52878599dfea7727c87e_amadey_elex_manuscrypt_rhadamanthys_stop.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-04_8d48fe47584c52878599dfea7727c87e_amadey_elex_manuscrypt_rhadamanthys_stop.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4196
    • 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:3332
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3852
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3004
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4252
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4512
  • 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:1972

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX754B.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCX754B.tmp
        • Size 156KB
        • SHA256 07e6be2f3d0bfa5d4665cacfab1e9e21cd831665fdb70997464e958b05d5e45c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX781D.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCX781D.tmp
        • Size 94KB
        • SHA256 ac8f19f59c429094f4482d1eb0bd86e77bfc1efeb91f0fcd61982b84a10f4af4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedgewebview2.exe.Exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\msedgewebview2.exe.Exe
        • Size 3.5MB
        • SHA256 d85b3305a5611bf8dcbb89f70c6c7dbff27d2afcf624b66f28609d51ee713b01
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7BEA.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCX7BEA.tmp
        • Size 90KB
        • SHA256 3cbcb2ca29259a7883d3bdd5d35eeb838fd77a94be13633418ea0b3cc60ad6fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX796F.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCX796F.tmp
        • Size 1.9MB
        • SHA256 55da6d1de4a47a3c79e5c5cf72b749e2323b1617652522c55916779396dca3f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7E4C.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCX7E4C.tmp
        • Size 99KB
        • SHA256 9489354a843dd77a3efa5e548cc70569e4435e29a519807d5fc355d7ff5213da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX6A7A.tmp

        • Path C:\Program Files\7-Zip\RCX6A7A.tmp
        • Size 91KB
        • SHA256 b6adf7638e1fecb40a167633cecf3b59ce165a250a8c5811ad3eda6776e09b72
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX6C16.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX6C16.tmp
        • Size 91KB
        • SHA256 231294a16640c74c90781704d683a1d054c5f2332540e24a171bcfdd0e93fdb8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX6FA6.tmp

        • Path C:\Program Files\Mozilla Firefox\RCX6FA6.tmp
        • Size 91KB
        • SHA256 10b4bfea3b90bb34c7cdae246e007387809f2d7c0e26635cc56fad0e4c89aacb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX8320.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCX8320.tmp
        • Size 92KB
        • SHA256 75b089f7674d2672b4afbc301f1b87089240039e56baf9309f1291b37392a717
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$aDD0D.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aDD0D.bat
        • Size 842B
        • SHA256 571da7354ba79d141a8751adb6d6ab85f076a0a8f01c212c6528b3f45c092072
        • MD5 SHA1 SHA512 TLSH

        2026-08-04_8d48fe47584c52878599dfea7727c87e_amadey_elex_manuscrypt_rhadamanthys_stop.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-04_8d48fe47584c52878599dfea7727c87e_amadey_elex_manuscrypt_rhadamanthys_stop.exe.exe
        • Size 80KB
        • SHA256 06222f5319945568d31610d9397bad55125d7dce62f6cfcd3f0e4737324379e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 c9e3ead6888feb91cafb25e358e15c98d8fce835e2b0f7886ca8c2150977273f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/1972-19-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/1972-21-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3332-24-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3332-1033-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3332-1264-0x0000000000400000-0x0000000000429000-memory.dmp

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

        memory/5672-12-0x0000000000400000-0x0000000000429000-memory.dmp