Overview

overview

7

Static

static

3

Nitrogen.exe

windows10-ltsc_2021-x64

7

Nitrogen.exe

windows10-2004-x64

7

Nitrogen.exe

windows11-21h2-x64

7

Nitrogen.exe

windows11-ltsc_2024-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/06/2026, 09:46

Sharing

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General

  • Target
    Nitrogen.exe
  • Size 15.2MB
  • Sample260625-lrpbbaaz4j
  • SHA256 fea181f95f1ec263048d1eb26dafb2d907c07ff08de3ba1a1836ed121eb43e85
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 20 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nitrogen.exe
    "C:\Users\Admin\AppData\Local\Temp\Nitrogen.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4044
    • C:\Users\Admin\AppData\Local\Temp\Nitrogen.exe
      "C:\Users\Admin\AppData\Local\Temp\Nitrogen.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
          PID:3304

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          VCRUNTIME140.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\VCRUNTIME140.dll
          • Size 96KB
          • SHA256 d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _bz2.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\_bz2.pyd
          • Size 81KB
          • SHA256 5843872d5e2b08f138a71fe9ba94813afee59c8b48166d4a8eb0f606107a7e80
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _ctypes.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\_ctypes.pyd
          • Size 120KB
          • SHA256 e662d2b35bb48c5f3432bde79c0d20313238af800968ba0faa6ea7e7e5ef4535
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _lzma.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\_lzma.pyd
          • Size 154KB
          • SHA256 613de58e4a9a80eff8f8bc45c350a6eaebf89f85ffd2d7e3b0b266bf0888a60a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-console-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-console-l1-1-0.dll
          • Size 22KB
          • SHA256 27954e62e12d115bb1540db4bb9de6e2c852d914aea61cba3c203595138537b2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-datetime-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-datetime-l1-1-0.dll
          • Size 22KB
          • SHA256 6f22ff5bf9d53b7f2c3fcd553d9b8664ef5401912194b8e599e4dbd8f3105405
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-debug-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-debug-l1-1-0.dll
          • Size 22KB
          • SHA256 c5dc0df2fcc456c2b08392ea7d539d43549d04d14ed83d69cd46f79b9e34902a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-errorhandling-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-errorhandling-l1-1-0.dll
          • Size 22KB
          • SHA256 9ff8300ecf0ebd4c8130800b5b8857b6ddf21902264af42fb1ac15c794115864
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-fibers-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-fibers-l1-1-0.dll
          • Size 22KB
          • SHA256 39174763da266b4b955e27eecaef15d8283bb77f9eca94fe925d4928f37a4fa1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-file-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-file-l1-1-0.dll
          • Size 26KB
          • SHA256 a9660f0e3ab6032bba0b75e1d02ce0bc57c9043bca423477843a7a3af1b1c200
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-file-l1-2-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-file-l1-2-0.dll
          • Size 22KB
          • SHA256 445a2c24c8565834e1e41e4c617d2f9cf5def8e4a477e55e2f18583845b24c1d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-file-l2-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-file-l2-1-0.dll
          • Size 20KB
          • SHA256 f957a4c261506484b53534a9be8931c02ec1a349b3f431a858f8215cecfec3f7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-handle-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-handle-l1-1-0.dll
          • Size 22KB
          • SHA256 94f7611fa4568f4577deba250c1254a3c83ffc7b4fd2f00243f3bfac5a993fd8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-heap-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-heap-l1-1-0.dll
          • Size 22KB
          • SHA256 d655a217f4c17982b4c5ecb406290885c74afba361dd840c4245c0b28e07c192
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-interlocked-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-interlocked-l1-1-0.dll
          • Size 22KB
          • SHA256 69b0f1e099dac7ffbbf1260eb4818abeacd2b9cf105b742b16e6bd5dda3bf035
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-libraryloader-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-libraryloader-l1-1-0.dll
          • Size 22KB
          • SHA256 87622d07bb5c9fa5ccd9f74ac70a1e2ae0cdf54462f90f365178a15a814bf3c4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-localization-l1-2-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-localization-l1-2-0.dll
          • Size 22KB
          • SHA256 79ec668286cb900c66e1caf8a47309d986c9dc4d37a5d2dcedb2ff2a973896d9
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-memory-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-memory-l1-1-0.dll
          • Size 22KB
          • SHA256 7f12e6eb9a992ea199bcfc755eea488a8889cd2642dba00e49fb06a14bec8408
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-namedpipe-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-namedpipe-l1-1-0.dll
          • Size 22KB
          • SHA256 daf13af507230a92191c348611e8b31bc384055ea5b9a6d18057646d93bfe4f7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-processenvironment-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-processenvironment-l1-1-0.dll
          • Size 22KB
          • SHA256 74d809270a418e4bc1d3b94348094f00463635cedfbadd97d29686a6d037d2da
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-processthreads-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-processthreads-l1-1-0.dll
          • Size 22KB
          • SHA256 6620a7962adb6a25a51e13add907189763b76d0816a356465d135eeeed1065a0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-processthreads-l1-1-1.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-processthreads-l1-1-1.dll
          • Size 22KB
          • SHA256 82850eb2e7d100938ebd419440e4575750999bc9e349cd074019e413673d02c8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-profile-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-profile-l1-1-0.dll
          • Size 22KB
          • SHA256 b43119bdfc7c562bf07c26e01b7b862aa8dc9d5e795798fe93969111244ed2da
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-rtlsupport-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-rtlsupport-l1-1-0.dll
          • Size 22KB
          • SHA256 bd0cff402e3f64baaf2bfb17d86b2c4c7d03584ea2601ca5c55de147a769a32a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-string-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-string-l1-1-0.dll
          • Size 22KB
          • SHA256 1985000499475faf541b17c8acbce788bcdba6dddd3b8910b6730238f1c18862
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-synch-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-synch-l1-1-0.dll
          • Size 22KB
          • SHA256 055544d562ca50d49443926bca396de985735f7451806ff2565486e406809d25
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-synch-l1-2-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-synch-l1-2-0.dll
          • Size 22KB
          • SHA256 0d8f2f7d031f143110c9bf5bdd4f75b24e8b41319fa2e20f78068c084e0d7603
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-sysinfo-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-sysinfo-l1-1-0.dll
          • Size 22KB
          • SHA256 8010d006df2d62839c933d3b5998abc7a7830ffe32ca68b17c76f3292f5e56ec
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-timezone-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-timezone-l1-1-0.dll
          • Size 22KB
          • SHA256 1789f5e749cf3a5d419e3b835bd9d78a077ee77f3e761f0fbf3609e38ace6f40
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-core-util-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-core-util-l1-1-0.dll
          • Size 22KB
          • SHA256 c893a59c4d1fa86fb50d486ebf3a873244b910efec5b00690d4a20afb7ce0761
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-conio-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-conio-l1-1-0.dll
          • Size 22KB
          • SHA256 9e466e76079b73bd9b0114004d040d193dc982e4150eee1241a902d16c2bda38
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-convert-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-convert-l1-1-0.dll
          • Size 26KB
          • SHA256 64c48b1280e4540c205ee7798b7da200afd95898d520ece1d56bf8a8a351fc3e
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-environment-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-environment-l1-1-0.dll
          • Size 22KB
          • SHA256 1a513c0601c5b628018c003d8598586d4a48fd1acf51372f6783dc23b0a27756
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-filesystem-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-filesystem-l1-1-0.dll
          • Size 22KB
          • SHA256 89bb192dd079784d9ba716a2e45a1ee6af75c67e9151fde77eb8ec32cb014182
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-heap-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-heap-l1-1-0.dll
          • Size 22KB
          • SHA256 e5a0c8d551e36e5fd394a45a5e9229f592b46d8e80897f25e7f0ca449abb6b00
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-locale-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-locale-l1-1-0.dll
          • Size 22KB
          • SHA256 f13dc1d6895f21fe2f7fd4b7ada78828b5a819013f751aa32eb1704beb4dc469
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-math-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-math-l1-1-0.dll
          • Size 30KB
          • SHA256 a13aed9e8d7f4f53826cedd6acbc7b75dba51aeecd7f030b0f0d7b7c66e1a042
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-process-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-process-l1-1-0.dll
          • Size 22KB
          • SHA256 90d0c8e9ea6a4e82efcdc7ba522da3989316397218f3d1320eed1bab491c0938
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-runtime-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-runtime-l1-1-0.dll
          • Size 26KB
          • SHA256 d893a0f2c1bf6247fb94393728c6293570090028d4dd30dcea01a01b0460b0c4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-stdio-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-stdio-l1-1-0.dll
          • Size 26KB
          • SHA256 456adaf7d2116f3e9410a0c1acd19f54bc9decc8e75b02f82c4a7d56c980e71f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-string-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-string-l1-1-0.dll
          • Size 26KB
          • SHA256 8d360f373b21726d005df5d6e1e5d55f5aa83f6d9d6a055f4dc0331965671dba
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-time-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-time-l1-1-0.dll
          • Size 22KB
          • SHA256 c674ee45208477eec3669db64abb586df50d4fa38aa5b47ed2012d4bc5d9ec4e
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          api-ms-win-crt-utility-l1-1-0.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\api-ms-win-crt-utility-l1-1-0.dll
          • Size 22KB
          • SHA256 7c31b21496d4783456d9093d0742e1727fe77e1ccb27d717c327039859561438
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          base_library.zip
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\base_library.zip
          • Size 1.4MB
          • SHA256 20d856e0bd7c2b2eef4e94734fafee2fc993259cd3c7654b925fcc2a65dc5a4f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libcrypto-1_1.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\libcrypto-1_1.dll
          • Size 3.3MB
          • SHA256 976ce72efd0a8aeeb6e21ad441aa9138434314ea07f777432205947cdb149541
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libffi-8.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\libffi-8.dll
          • Size 34KB
          • SHA256 128a583e821e52b595eb4b3dda17697d3ca456ee72945f7ecce48ededad0e93c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libssl-1_1.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\libssl-1_1.dll
          • Size 686KB
          • SHA256 2aebb73530d21a2273692a5a3d57235b770daf1c35f60c74e01754a5dac05071
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          public_key.pem
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\public_key.pem
          • Size 451B
          • SHA256 824f2be4e52ed6a58bc7d073663032836b7d0be4bb317b5e7ef875190c53807e
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          pyexpat.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\pyexpat.pyd
          • Size 193KB
          • SHA256 d97f3e27130c267e7d3287d1b159f65559e84ead9090d02a01b4c7dc663cd509
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          python3.DLL
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\python3.DLL
          • Size 64KB
          • SHA256 4055d1b9e553b78c244143ab6b48151604003b39a9bf54879dee9175455c1281
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          python311.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\python311.dll
          • Size 5.5MB
          • SHA256 a0cf640e756875c25c12b4a38ba5f2772e8e512036e2ac59eb8567bf05ffbfb7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          select.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\select.pyd
          • Size 28KB
          • SHA256 0046eb32f873cde62cf29af02687b1dd43154e9fd10e0aa3d8353d3debb38790
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tcl86t.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\tcl86t.dll
          • Size 1.8MB
          • SHA256 a91781fe13548b89817462b00058a75fb0b607ec8ce99d265719ced573ade7b6
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tk86t.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\tk86t.dll
          • Size 1.5MB
          • SHA256 20139f4c327711baf18289584fa0c8112f7bb3ba55475bded21f3d107672ed94
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ucrtbase.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI40442\ucrtbase.dll
          • Size 1.1MB
          • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download