Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 14:21

General

  • Target
    2026-05-11_f733a3ddd22818ad204e6a463d5f4b90_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_swisyn.exe
  • Size 24.1MB
  • Sample260511-rn459acs7v
  • SHA256 35255278229e15358806f37906328cad7eff9b8053472d50a328b11e6c5c8f54
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 27 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-11_f733a3ddd22818ad204e6a463d5f4b90_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-11_f733a3ddd22818ad204e6a463d5f4b90_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_swisyn.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4724
    • \??\c:\users\admin\appdata\local\temp\2026-05-11_f733a3ddd22818ad204e6a463d5f4b90_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-05-11_f733a3ddd22818ad204e6a463d5f4b90_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_swisyn.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4892
      • C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L300_x64_154UsHomeExportAsiaML\WINX64\SETUP\SETUP64.EXE
        .\L300_x64_154UsHomeExportAsiaML\WINX64\SETUP\SETUP64.EXE /RG:W
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:1372
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4972
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4772
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3464
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visibility of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2396
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:2036

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        epstplog.txt

        • Path C:\ProgramData\EPSON\Setup\epstplog.txt
        • Size 5KB
        • SHA256 67467f0b070a806dcb501ad7879b07b6e2743652197c9dba15a5593a8597b034
        • MD5 SHA1 SHA512 SSDEEP TLSH

        epstplog.txt

        • Path C:\ProgramData\epstplog.txt
        • Size 888B
        • SHA256 9155f24221defab10a556c816b92af5a25db4d9163287f26910c2c0591550c26
        • MD5 SHA1 SHA512 TLSH

        epstplog.txt

        • Path C:\ProgramData\epstplog.txt
        • Size 3KB
        • SHA256 c60091df328b776f379aff396cc5be1916726452e1a9e044f7da1aa2b4d2b922
        • MD5 SHA1 SHA512 TLSH

        2026-05-11_f733a3ddd22818ad204e6a463d5f4b90_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_swisyn.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-11_f733a3ddd22818ad204e6a463d5f4b90_amadey_elex_manuscrypt_rhadamanthys_smoke-loader_stop_swisyn.exe 
        • Size 23.9MB
        • SHA256 2ec27acbbf5e70f44000f9235dcf84b163f446470e7c7865cc05a4fc087c3ae1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        EPEULA64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L300_x64_154UsHomeExportAsiaML\WINX64\SETUP\EPEULA64.dll
        • Size 1.3MB
        • SHA256 5f74175effc3bd3dc5957a2928cd83c980ff710f51719da0b8ad2abda0320281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        EPSETUP1.EIF

        • Path C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L300_x64_154UsHomeExportAsiaML\WINX64\SETUP\EPSETUP1.EIF
        • Size 47KB
        • SHA256 6b9151894d2beaec23e84d6627bd1c6b6ff59e2a50bb159e7def34a386256f0f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        E_GLSDLG.dll

        • Path C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L300_x64_154UsHomeExportAsiaML\WINX64\SETUP\E_GLSDLG.dll
        • Size 54KB
        • SHA256 c8a4e60c805433f11926203a706c6f5c623825d430a28ecccff83ca3671c4f84
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SETUP64.EXE

        • Path C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L300_x64_154UsHomeExportAsiaML\WINX64\SETUP\SETUP64.EXE
        • Size 1.3MB
        • SHA256 5e98b895e50155916351f73f20e72b410a874685cefc1d235c38b30147b42b38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SETUP64.dat

        • Path C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L300_x64_154UsHomeExportAsiaML\WINX64\SETUP\SETUP64.dat
        • Size 358KB
        • SHA256 a6d606b5147ccf73f27270625366168a925f46828e9562e10b3bf58109fd283b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 86718b71f468f1a6f739bf28168fc60b82f2d3a4fd6f56c328ad16f9d2eeb615
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 c1fde1f8a6f427e99150b57c5b86cd7eac851693cf2331d4abd9ca5ac928dcc6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 505755a898e034621d2cdea58f3ac9b31d93ed4d5614606807e556feea7cb85b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 12fe0734b7b83e08f826fcfc5c4135bfbaccb11aa9c7847559f43b85e8be9d2c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        E_WF1I1E.CAT

        • Path \??\c:\users\admin\appdata\local\temp\wzse0.tmp\l300_x64_154ushomeexportasiaml\winx64\E_WF1I1E.CAT
        • Size 43KB
        • SHA256 120252947bedd1cbb749ef5fd4d136f218700fa61eb98230e977561c4e1ee39f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e_wf1i1e.inf

        • Path \??\c:\users\admin\appdata\local\temp\wzse0.tmp\l300_x64_154ushomeexportasiaml\winx64\e_wf1i1e.inf
        • Size 16KB
        • SHA256 366db5b878b9036fdb17f6309a78592cb3e959a92250b866b1115cddafcce1e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1372-287-0x00000000030F0000-0x00000000030FC000-memory.dmp

        memory/1372-333-0x00000000030F0000-0x00000000030FC000-memory.dmp

        memory/2036-102-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2396-421-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3464-103-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4724-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4724-105-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4772-420-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4892-286-0x0000000001F20000-0x000000000235C000-memory.dmp

        memory/4892-419-0x0000000001F20000-0x000000000235C000-memory.dmp

        memory/4972-21-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4972-104-0x0000000000400000-0x000000000041F000-memory.dmp