Analysis

  • max time kernel
    149s
  • max time network
    162s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    16/04/2026, 12:51

General

  • Target
    2026-04-16_4ee315d279badb77b708b44b73abeeeb_amadey_elex_manuscrypt_rhadamanthys_stop.exe
  • Size 173KB
  • Sample260416-p3llcaax41
  • SHA256 67ba53128d764ad0c8d8c0594b1745ae8603e83f547b8c9feb142199501d3ffb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (255) 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
  • 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\2026-04-16_4ee315d279badb77b708b44b73abeeeb_amadey_elex_manuscrypt_rhadamanthys_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-16_4ee315d279badb77b708b44b73abeeeb_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:1108
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5216
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a122B.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5192
      • C:\Users\Admin\AppData\Local\Temp\2026-04-16_4ee315d279badb77b708b44b73abeeeb_amadey_elex_manuscrypt_rhadamanthys_stop.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-04-16_4ee315d279badb77b708b44b73abeeeb_amadey_elex_manuscrypt_rhadamanthys_stop.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5288
    • 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:5276
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5360
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5496
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:704
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5664
  • 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:4028

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXAB83.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCXAB83.tmp
        • Size 156KB
        • SHA256 a15fe0e3ed4e53655ff4c822b2af5d6d160786f6556e31a9e24aa04d88be281d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXADA9.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCXADA9.tmp
        • Size 94KB
        • SHA256 e093a064fc3ad7440bedd983429d8358b8b874fd5825f9b671805f1fad10c708
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB0F6.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCXB0F6.tmp
        • Size 103KB
        • SHA256 076d8270d7ad5c2a377eee81ea500890afa3a7e11ba2fb686a444012a94b24bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB138.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCXB138.tmp
        • Size 91KB
        • SHA256 3f9ef42982a7d0ea1b08b6134f1031b29979692a7b6dfbe89880ceb2fa09d725
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe.Exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge.exe.Exe
        • Size 4.0MB
        • SHA256 9f52db7a91d0f19ac5a59a6d6665053ed69f1e4ae45b96bbfb0ccce72d3323f0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe.Exe

        • Path C:\Program Files\7-Zip\7z.exe.Exe
        • Size 642KB
        • SHA256 f11b437080a61c66202028d81b56285916b2179d8d94d452c26b1ea7f6570a91
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX9FC7.tmp

        • Path C:\Program Files\7-Zip\RCX9FC7.tmp
        • Size 91KB
        • SHA256 e3c22e073ff98515a2d2bea9a83d68eeb4a5fd8faf572d3546be33334fe98c0d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA36D.tmp

        • Path C:\Program Files\Mozilla Firefox\RCXA36D.tmp
        • Size 91KB
        • SHA256 600294bc258d81ae7f13a6f01a9380b048bbac6fbb62f453844a8e621f456262
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA36F.tmp

        • Path C:\Program Files\Mozilla Firefox\uninstall\RCXA36F.tmp
        • Size 100KB
        • SHA256 9f9ce258018d0df5ae050da060a8e7c6c8db2bea312ebbe730e1f27048966a09
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB754.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCXB754.tmp
        • Size 92KB
        • SHA256 67003bf1ca9c50294d7c52b746826a9136b2d85193afca966fd94cb1c93b7c8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a122B.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a122B.bat
        • Size 842B
        • SHA256 fe38f7a89eaf2eeb2f47702fea847239180e173ba194cdb3205139832e2ca3c7
        • MD5 SHA1 SHA512 TLSH

        2026-04-16_4ee315d279badb77b708b44b73abeeeb_amadey_elex_manuscrypt_rhadamanthys_stop.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-04-16_4ee315d279badb77b708b44b73abeeeb_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 9f46acf000c40dbbcde70bde3cbfafea3dae71f2997665786d7bb17fea5d59c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/1108-0-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/1108-12-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/1108-11-0x00000000006B0000-0x0000000000714000-memory.dmp

        memory/4028-21-0x0000000000980000-0x00000000009E4000-memory.dmp

        memory/4028-20-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5276-26-0x0000000000840000-0x00000000008A4000-memory.dmp

        memory/5276-24-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5276-861-0x0000000000840000-0x00000000008A4000-memory.dmp

        memory/5276-860-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5276-13-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5276-1262-0x0000000000400000-0x0000000000429000-memory.dmp