Overview

overview

7

Static

static

3

Server nuker.exe

windows10-2004-x64

7

Server nuker.exe

windows11-ltsc_2024-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    70s
  • max time network
    64s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 21:33

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General

  • Target
    Server nuker.exe
  • Size 15.4MB
  • Sample260722-1d79lavglb
  • SHA256 6668a2afe15f1fe57a2053155b3bf914957875188843048d052ec2ad621f3e17
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
persistence

Malware Config

Signatures

  • Loads dropped DLL 42 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Contacts third-party web service commonly abused for C2 1 TTPs 9 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 42 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server nuker.exe
    "C:\Users\Admin\AppData\Local\Temp\Server nuker.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Users\Admin\AppData\Local\Temp\Server nuker.exe
      "C:\Users\Admin\AppData\Local\Temp\Server nuker.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      PID:2376
  • C:\Users\Admin\AppData\Local\Temp\Server nuker.exe
    "C:\Users\Admin\AppData\Local\Temp\Server nuker.exe" "C:\Users\Admin\AppData\Local\Temp\Server nuker.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Users\Admin\AppData\Local\Temp\Server nuker.exe
      "C:\Users\Admin\AppData\Local\Temp\Server nuker.exe" "C:\Users\Admin\AppData\Local\Temp\Server nuker.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      PID:2736
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2676
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4684

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd
          • Size 213KB
          • SHA256 ba7fc544994f126cb7485ce52d265d2f32e93c4f1ea1fcd6fcdee3918f271979
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          VCRUNTIME140.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          VCRUNTIME140_1.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\VCRUNTIME140_1.dll
          • Size 48KB
          • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _bz2.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\_bz2.pyd
          • Size 84KB
          • SHA256 76a33e2baa3880aa46290cc7d5810b3155c5e2f5a1cc7d3f7b751f6434144ada
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _ctypes.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\_ctypes.pyd
          • Size 131KB
          • SHA256 75687620596877b0dde462e74ae12140d695b3c78df3c6c099d55717768dde42
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _hashlib.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\_hashlib.pyd
          • Size 67KB
          • SHA256 5eb4a2aa9e28b49cb2a4f6ecee21f3c2b629b43a0709bad1d7e6204bac74eac2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _lzma.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\_lzma.pyd
          • Size 155KB
          • SHA256 f221ed5f1c2789aa357f3c2dc4cd22af134b4b91acb3fb78f9fa5f7f9a7b62e4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _queue.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\_queue.pyd
          • Size 34KB
          • SHA256 6d77d15d668cb5ddff53cff1479dffc97db5858451d4b98f6e60a23cfb529e01
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _socket.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\_socket.pyd
          • Size 84KB
          • SHA256 ba944001aa6b53350f8c64e93643742abf1a08dd07c7dbbc13996e7d4d8a9efa
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _ssl.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\_ssl.pyd
          • Size 177KB
          • SHA256 1cf939510359f5aa3c5f51a0ad994d9b819f5603dd100872cd30a1e25cd83f05
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _wmi.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\_wmi.pyd
          • Size 38KB
          • SHA256 ca38a50c27413a5acfd14b30b0433fcf80a64ad0020e41aceeb3666f8439aba4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          base_library.zip
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\base_library.zip
          • Size 1.3MB
          • SHA256 0c952706e32766f1685019a433ddeaf72c4948ab74b0906218902c4d10136d72
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          cd.cp313-win_amd64.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\charset_normalizer\cd.cp313-win_amd64.pyd
          • Size 10KB
          • SHA256 2e9f5049b3c5db7ab78c6abb94dfbbfe035ebab8f40594320f8c92221f486f24
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libcrypto-3.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 09499e186cf0e434ffa17ad153aa9a66d6048c54a2c03b823e2a06c49d9affe4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libffi-8.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libssl-3.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\libssl-3.dll
          • Size 776KB
          • SHA256 28c395290279fa4f4f54a57b85cd66d853895f925fefb8f6fdebc0d8b1cdd07c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          python3.DLL
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\python3.DLL
          • Size 70KB
          • SHA256 16f109e8411bc08341497c87704b7cf0d22a2678f1e3a7dca416ea7bff995469
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          python313.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\python313.dll
          • Size 5.8MB
          • SHA256 3a7a6170ea840bf2a2a76d05b687b946fcdc8d0cfedfe159012b38f1e8959a7c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          select.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\select.pyd
          • Size 32KB
          • SHA256 a208997eb871b5c7785eb9bcc6a22ba8c43262255b59a3394fbe9912f38b4692
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Lorem ipsum.txt
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
          • Size 1KB
          • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ucrtbase.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\ucrtbase.dll
          • Size 1.3MB
          • SHA256 d404dc9aa843d53d7e276dd078b2cac8d7aa905e2838a1fe8385278e19ba3810
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          unicodedata.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI45882\unicodedata.pyd
          • Size 696KB
          • SHA256 7f8d28574732959cdb1188127fe3494c3618b602eede69c0a71846f0b5cc8a15
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2376-228-0x00000212C25A0000-0x00000212C25A1000-memory.dmp
          Download

          memory/2676-239-0x000001F0143E0000-0x000001F0143E1000-memory.dmp
          Download

          memory/2676-230-0x000001F0143E0000-0x000001F0143E1000-memory.dmp
          Download

          memory/2676-238-0x000001F0143E0000-0x000001F0143E1000-memory.dmp
          Download

          memory/2676-241-0x000001F0143E0000-0x000001F0143E1000-memory.dmp
          Download

          memory/2676-240-0x000001F0143E0000-0x000001F0143E1000-memory.dmp
          Download

          memory/2676-236-0x000001F0143E0000-0x000001F0143E1000-memory.dmp
          Download

          memory/2676-237-0x000001F0143E0000-0x000001F0143E1000-memory.dmp
          Download

          memory/2676-232-0x000001F0143E0000-0x000001F0143E1000-memory.dmp
          Download

          memory/2736-229-0x000001B75F150000-0x000001B75F151000-memory.dmp
          Download