Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/07/2026, 23:25

General

  • Target
    3dd2c62742b5d12925034094e99fe85d88e4f844eb579a79e3c70a2f51aacc6d.exe
  • Size 54.6MB
  • Sample260719-3erpcaav41
  • SHA256 3dd2c62742b5d12925034094e99fe85d88e4f844eb579a79e3c70a2f51aacc6d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 16 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 15 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 31 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 10 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 13 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dd2c62742b5d12925034094e99fe85d88e4f844eb579a79e3c70a2f51aacc6d.exe
    "C:\Users\Admin\AppData\Local\Temp\3dd2c62742b5d12925034094e99fe85d88e4f844eb579a79e3c70a2f51aacc6d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5828
    • C:\Users\Admin\AppData\Local\Temp\3dd2c62742b5d12925034094e99fe85d88e4f844eb579a79e3c70a2f51aacc6d.exe
      "C:\Users\Admin\AppData\Local\Temp\3dd2c62742b5d12925034094e99fe85d88e4f844eb579a79e3c70a2f51aacc6d.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4852
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "nvidia.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5992
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "nvidia.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:684
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "svdhost.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5100
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "svdhost.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1608
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "csrr.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1848
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "csrr.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:204
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "mnn.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4796
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "mnn.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:240
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "mme.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:120
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "mme.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1908
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "nnu.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4880
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "nnu.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3148
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "lss.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4676
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "lss.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:564
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "onn.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4560
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "onn.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:236
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "u-eng.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2424
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "u-eng.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3104
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c copy /y "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\41678903251236549780" "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3568
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe x -o+ -p8ay73yG6s6gHu8H "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\46197283504128096357." "C:\ProgramData""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4984
        • C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe
          C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe x -o+ -p8ay73yG6s6gHu8H "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\46197283504128096357." "C:\ProgramData"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3328
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe x -o+ -p8ay73yG6s6gHu8H "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\32098675419873205610." "C:\Users\Admin\Appdata\Local\\""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4340
        • C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe
          C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe x -o+ -p8ay73yG6s6gHu8H "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\32098675419873205610." "C:\Users\Admin\Appdata\Local\\"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2976
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe x -o+ -p8ay73yG6s6gHu8H "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\75204139856203418759." "C:\Users\Admin\Appdata\Roaming\\""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5276
        • C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe
          C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\mpc.exe x -o+ -p8ay73yG6s6gHu8H "C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\75204139856203418759." "C:\Users\Admin\Appdata\Roaming\\"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3816
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ""C:\Users\Admin\AppData\Local\Alexa\Virtual\csrr.bat""
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:240
        • C:\Windows\SysWOW64\timeout.exe
          timeout 1800
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4544
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill.exe /F /IM "nss.exe"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5876
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill.exe /F /IM "nss.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1500
  • C:\Windows\explorer.exe
    explorer.exe ,"C:\ProgramData\Samsung\svdhost.exe","C:\Users\Admin\AppData\Roaming\Fsdisk\Moderax\svdhost.exe","C:\Users\Admin\AppData\Local\Alexa\Virtual\csrr.exe"
    1⤵
      PID:6120
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Drops desktop.ini file(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:1792

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          csrr.bat

          • Path C:\Users\Admin\AppData\Local\Alexa\Virtual\csrr.bat
          • Size 82B
          • SHA256 d184e4744eef97266a55bdb7a69eb929e7d97ac615027d1d04a0ee730629fd8e
          • MD5 SHA1 SHA512 TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58282\_ctypes.pyd
          • Size 90KB
          • SHA256 66d0cb13569e9798b04c5d049cff25bd4c7c8e7ddd885b62f523d90a65d0ce88
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58282\_socket.pyd
          • Size 45KB
          • SHA256 cbc23d6c2e3e2950452c7d255da1452338301a4c9a0b09eba83287709d2a5000
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _tkinter.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58282\_tkinter.pyd
          • Size 40KB
          • SHA256 2001d7fd09812d0bee6e6fd0041f59120f907634ed36dddb13e218f31cc61a45
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python27.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58282\python27.dll
          • Size 2.5MB
          • SHA256 608feafc63a0d1b38772e275c9e6d3b8a5b03efc0a27eb397107db0a6d079c50
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pywintypes27.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58282\pywintypes27.dll
          • Size 108KB
          • SHA256 c4db872ff7d301186516882ea06422aee29e1c11b44a4d382addd5b801207818
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tcl85.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58282\tcl85.dll
          • Size 879KB
          • SHA256 23deca371449e94c6c83bd97f369e203e04daba9986f11113f9c55379b3288b8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cp1252.enc

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58282\tcl\encoding\cp1252.enc
          • Size 1KB
          • SHA256 14df3ae30e81e7620be6bbb7a9e42083af1ae04d94cf1203565f8a3c0542ace0
          • MD5 SHA1 SHA512 TLSH

          win32api.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58282\win32api.pyd
          • Size 98KB
          • SHA256 7de358652c1732caf72f968a664301e256aae281003ddcb0f5ecef4b13101009
          • MD5 SHA1 SHA512 SSDEEP TLSH

          win32process.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58282\win32process.pyd
          • Size 38KB
          • SHA256 2f11ed07c2bd9262072bc4e8b9c99e03a3d6ca4712acb6d4c87393fddab8f205
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\_hashlib.pyd
          • Size 1.1MB
          • SHA256 dbdcf9e8cba52043b5246ad0d234da8ba4d6534b326bbbb28a6a391edf6fa4ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\_ssl.pyd
          • Size 1.4MB
          • SHA256 b572bf14ca3d3e5158b89314b6fe2129a753edaca1958e252784561f33f9ecda
          • MD5 SHA1 SHA512 SSDEEP TLSH

          bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\bz2.pyd
          • Size 69KB
          • SHA256 693dfc5ccb8555a4183d4e196865ef0a766d7e53087c39059d096d03d6f64724
          • MD5 SHA1 SHA512 SSDEEP TLSH

          32098675419873205610

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\32098675419873205610
          • Size 29.7MB
          • SHA256 312a2175614ee8c7149cb90e97f3dd724f48d2f35abbd7cedb5ff3228f180f8c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          41678903251236549780

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\41678903251236549780
          • Size 584KB
          • SHA256 c915cdd250ff25970ba041a5dadfc93e8ae9629c6415b88a92718f1eae9e9666
          • MD5 SHA1 SHA512 SSDEEP TLSH

          46197283504128096357

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\46197283504128096357
          • Size 4.1MB
          • SHA256 f4067e3831245e5489a328ca568e8c40dfa066d3bda4dcb08dd684a1070a703c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          75204139856203418759

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\mpc\75204139856203418759
          • Size 6.7MB
          • SHA256 0583883c05f97707592e5924ee24f79ebad5a0c33e72ae22c7d02f70f740195f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pythoncom27.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\pythoncom27.dll
          • Size 388KB
          • SHA256 074f23f9710bbcf1447763829c0e3d16afa5502efc6f784077cf334f28ceffb7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\select.pyd
          • Size 10KB
          • SHA256 345969d43b33717415bd5796d5a7b266592dc79a96543714828ff8fc1f249d18
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tk85.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\tk85.dll
          • Size 1.3MB
          • SHA256 8065ea4d6ba1cefcb632b8c942f4ed19a4809816264f7be5319119fd859b9065
          • MD5 SHA1 SHA512 SSDEEP TLSH

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\unicodedata.pyd
          • Size 671KB
          • SHA256 689e5061cefda6223477a6a05906a500d59bd1b2a7458730b8d43c9d3b43bdba
          • MD5 SHA1 SHA512 SSDEEP TLSH

          win32event.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI58~1\win32event.pyd
          • Size 18KB
          • SHA256 a9e176df950ba410ac34c2e92bf09a6c046eb91c7ad002d6b5f7bef60f0a4161
          • MD5 SHA1 SHA512 SSDEEP TLSH