Analysis

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

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    07/05/2026, 22:13

General

  • Target
    START.bat
  • Size 40KB
  • Sample260507-1472hsbs71
  • SHA256 c3efdc7f390f08ff0e003abc8aa10b38e1e32de56e4cb9d0cd071a248fd6a8d8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\START.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Windows\system32\chcp.com
      chcp 65001
      2⤵
        PID:4964
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell -NoProfile -Command "[char]27"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3884
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -Command "[char]27"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3088
      • C:\Windows\system32\curl.exe
        curl.exe --fail --location --retry 3 --retry-delay 3 --connect-timeout 20 "https://nodejs.org/dist/v22.14.0/node-v22.14.0-win-x64.zip" --output "C:\Users\Admin\AppData\Local\Temp\engine\node.zip"
        2⤵
          PID:3068
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -Command "Expand-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\engine\node.zip' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\engine' -Force"
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:924
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\tools\install-openclaude-engine.ps1" -EngineDir "C:\Users\Admin\AppData\Local\Temp\engine" -NpmCmd "C:\Users\Admin\AppData\Local\Temp\engine\node-win-x64\npm.cmd" -CacheDir "C:\Users\Admin\AppData\Local\Temp\data\npm-cache" -LogFile "C:\Users\Admin\AppData\Local\Temp\engine\openclaude-engine-install.log"
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2276

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            StartupProfileData-NonInteractive

            • Path C:\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 64B
            • SHA256 a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf
            • MD5 SHA1 SHA512

            __PSScriptPolicyTest_yzskn0hf.aqd.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yzskn0hf.aqd.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Temp\data\local_app_data\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
            • Size 3KB
            • SHA256 a7059c8eedc4eb9ffce04c56f454fddc4c8827fa544f266109b29eb09bfe1571
            • MD5 SHA1 SHA512 TLSH

            text.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\@isaacs\cliui\node_modules\emoji-regex\es2015\text.js
            • Size 15KB
            • SHA256 450490d136ad99169d360f0c45a317a0ccb083da34602324734491467715baea
            • MD5 SHA1 SHA512 SSDEEP TLSH

            text.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\@isaacs\cliui\node_modules\emoji-regex\text.js
            • Size 14KB
            • SHA256 07005fd8527ab9ac801d940ee255890039ce8c8960dffbf5ded08c7a8d89bee0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            license

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\@isaacs\cliui\node_modules\strip-ansi\license
            • Size 1KB
            • SHA256 fcf1a18be2e25ba82acf2c59821b030d8ee764e4e201db6ef3c51900d385515f
            • MD5 SHA1 SHA512 TLSH

            LICENSE.md

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\@npmcli\map-workspaces\LICENSE.md
            • Size 818B
            • SHA256 733dcbf5b1c95dc765b76db969b998ce0cbb26f01be2e55e7bccd6c7af29cb04
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\@npmcli\metavuln-calculator\LICENSE
            • Size 754B
            • SHA256 45e433413760dc3ae8169be5ed9c2c77adc31ad4d1bc5a28939576df240f29a0
            • MD5 SHA1 SHA512 TLSH

            package.json

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\cacache\node_modules\minizlib\dist\commonjs\package.json
            • Size 28B
            • SHA256 58b55392b5778941e1e96892a70edc12e2d7bb8541289b237fbddc9926ed51bd
            • MD5 SHA1 SHA512

            package.json

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\cacache\node_modules\minizlib\dist\esm\package.json
            • Size 26B
            • SHA256 1bf0e53fc74b05f1aade7451fbac72f1944b067d4229d96bae7a225519a250e4
            • MD5 SHA1 SHA512

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\chownr\LICENSE
            • Size 780B
            • SHA256 3f24d692d165989cd9a00fe35ca15a2bc6859e3361fa42aa20babd435f2e4706
            • MD5 SHA1 SHA512 TLSH

            license

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\clean-stack\license
            • Size 1KB
            • SHA256 67292c32894c8ac99db06ffa1cb8e9a5171ef988120723ebe673bf76712260ec
            • MD5 SHA1 SHA512 TLSH

            LICENSE-MIT.txt

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\emoji-regex\LICENSE-MIT.txt
            • Size 1KB
            • SHA256 f996f6e050e6fc18086162b4b44e301bba345c87deca83f57a27e6d54195556e
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\exponential-backoff\LICENSE
            • Size 11KB
            • SHA256 49bbe9114e49214df2ccc324cb3ac8d1d1aa1c3a0947f94c286765e86647b32e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\libnpmpack\LICENSE
            • Size 730B
            • SHA256 2ef361317adeda98117f14c5110182c28eae233af1f7050c83d4396961d14013
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\libnpmversion\LICENSE
            • Size 763B
            • SHA256 1fccd0ad2e7e0e31ddfadeaf0660d7318947b425324645aa85afd7227cab52d7
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\minipass-sized\node_modules\minipass\LICENSE
            • Size 802B
            • SHA256 04400db77d925de5b0264f6db5b44fe6f8b94f9419ad3473caaa8065c525c0be
            • MD5 SHA1 SHA512 TLSH

            index.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\minipass-sized\node_modules\minipass\index.js
            • Size 16KB
            • SHA256 7a395802fbe01bb3dc8d09586e0864f255874bf897378e546444fbaec29f54c5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            package.json

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\minipass-sized\node_modules\minipass\package.json
            • Size 1KB
            • SHA256 c3052bd85910be313e38ad355528d527b565e70ef15a784db3279649eee2ded5
            • MD5 SHA1 SHA512 TLSH

            LICENSE.md

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\chownr\LICENSE.md
            • Size 1KB
            • SHA256 a638a0768dbec922fd821d0b6cce6275231c4b57cfcddf584defce530fbfbbf5
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\minizlib\LICENSE
            • Size 1KB
            • SHA256 cf7f1747f25b023e8f304670601ba231456a7218f70548d9196b6015f1eaf84c
            • MD5 SHA1 SHA512 TLSH

            constants.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\minizlib\dist\commonjs\constants.js
            • Size 4KB
            • SHA256 19d5db4a9dc28cb6606a3a0b2ad62e2e7489fdf9a0a341f689b4f4a8f618951b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            index.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\minizlib\dist\commonjs\index.js
            • Size 12KB
            • SHA256 72059ea7559b37c908051c46b4d586aa1af8c286bdbb9fd31e7d5b03b0725668
            • MD5 SHA1 SHA512 SSDEEP TLSH

            constants.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\minizlib\dist\esm\constants.js
            • Size 4KB
            • SHA256 ff1af806b07bd74ce3d28138c5951cfc5c700ddee1f584195c2ea02ae4bf7445
            • MD5 SHA1 SHA512 SSDEEP TLSH

            index.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\minizlib\dist\esm\index.js
            • Size 11KB
            • SHA256 a533c9e686104c58250c3d4623facf7ababee992a5d60684aa091d85cdebb3cc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            package.json

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\minizlib\package.json
            • Size 1KB
            • SHA256 3427897060e5af70fac162a4edca7ed48b351077b2f3f22cc7f40f98da7a60df
            • MD5 SHA1 SHA512 TLSH

            find-made.d.ts

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\mkdirp\dist\cjs\src\find-made.d.ts
            • Size 340B
            • SHA256 1da483c88debd7970eea2e8d6cd8b3600f14103a0d8bf6347ddd548ebdb0498c
            • MD5 SHA1 SHA512 TLSH

            index.d.ts

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\mkdirp\dist\cjs\src\index.d.ts
            • Size 3KB
            • SHA256 37e91264c16b6a35ac193a7bc20379da660d134d2381bbffcc2cc5b9b17afdb6
            • MD5 SHA1 SHA512 TLSH

            mkdirp-manual.d.ts

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\mkdirp\dist\cjs\src\mkdirp-manual.d.ts
            • Size 508B
            • SHA256 f3b9c57819c4ac73589857e8a0f0066561c9ee1ce61033a6817a8526bfb00507
            • MD5 SHA1 SHA512 TLSH

            mkdirp-native.d.ts

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\mkdirp\dist\cjs\src\mkdirp-native.d.ts
            • Size 406B
            • SHA256 906349978d6f46aa970a2737049469e194a01c2b24ff43d6b50afdedd1a34037
            • MD5 SHA1 SHA512 TLSH

            opts-arg.d.ts

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\mkdirp\dist\cjs\src\opts-arg.d.ts
            • Size 1KB
            • SHA256 3f0cbbcbb68f75e9dbe364c40af79941d2184a665fd244faabae90aa107b1733
            • MD5 SHA1 SHA512 TLSH

            path-arg.d.ts

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\mkdirp\dist\cjs\src\path-arg.d.ts
            • Size 95B
            • SHA256 566ce76d91fc552ec77a04a529c6a932338e7362c611c08e9d5c646ce3ddb8b9
            • MD5 SHA1 SHA512 TLSH

            use-native.d.ts

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\node-gyp\node_modules\mkdirp\dist\cjs\src\use-native.d.ts
            • Size 283B
            • SHA256 8090b19632de54991128a7541545eed84d4694e1e9e2cfd69828152ee59c7580
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\npm-audit-report\LICENSE
            • Size 771B
            • SHA256 b49c8d25a8b57fa92b2902d09c4b8a809157ee32fc10d17b7dbb43c4a8038f79
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\read-package-json-fast\LICENSE
            • Size 771B
            • SHA256 24b8d53712087b867030d18f2bd6d1a72c78f9fb4dee0ce025374da25e4443b9
            • MD5 SHA1 SHA512 TLSH

            fetch.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\sigstore\node_modules\@sigstore\sign\dist\types\fetch.js
            • Size 79B
            • SHA256 ef1f170ad28f2d870a474d2f96ae353d770fff5f20e642cd8f9b6f1d7742df13
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\socks-proxy-agent\LICENSE
            • Size 1KB
            • SHA256 22427a9ca2a0ff9c27dde9e26fe6e940529aee030b342a70b435366af0fcc51b
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\tuf-js\node_modules\@tufjs\models\LICENSE
            • Size 1KB
            • SHA256 6ba2fb4cc004819b1d872168a7ba6ac4a5a07400366680750321058fe21dd36b
            • MD5 SHA1 SHA512 TLSH

            AUTHORS

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\validate-npm-package-license\node_modules\spdx-expression-parse\AUTHORS
            • Size 207B
            • SHA256 0ee7b5b132cdd64923287705569f0b55e82729319e3a78571a8ce9bc9a62f98f
            • MD5 SHA1 SHA512 TLSH

            LICENSE

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\validate-npm-package-license\node_modules\spdx-expression-parse\LICENSE
            • Size 1KB
            • SHA256 9874348297d23c486dfb13b9df158f3fe2f57153ddfd0513507d22f0438ea204
            • MD5 SHA1 SHA512 TLSH

            index.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\validate-npm-package-license\node_modules\spdx-expression-parse\index.js
            • Size 151B
            • SHA256 2eacd689c758e0aacc3fa3157b6fdc1739598f0fd7ebaca3841849940e290f8c
            • MD5 SHA1 SHA512 TLSH

            parse.js

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node-v22.14.0-win-x64\node_modules\npm\node_modules\validate-npm-package-license\node_modules\spdx-expression-parse\parse.js
            • Size 2KB
            • SHA256 4b435dcbc2bf9a1afa4f28f7d3fcfd33406eb08c900ac2f967c32b982f39cb0e
            • MD5 SHA1 SHA512 TLSH

            node.zip

            • Path C:\Users\Admin\AppData\Local\Temp\engine\node.zip
            • Size 33.3MB
            • SHA256 55b639295920b219bb2acbcfa00f90393a2789095b7323f79475c9f34795f217
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/924-32-0x000001F7E0840000-0x000001F7E084A000-memory.dmp

            memory/924-812-0x000001F7E0460000-0x000001F7E0472000-memory.dmp

            memory/924-33-0x000001F7E08B0000-0x000001F7E08C2000-memory.dmp

            memory/924-34-0x000001F7E0760000-0x000001F7E076A000-memory.dmp

            memory/924-31-0x000001F7E0780000-0x000001F7E0833000-memory.dmp

            memory/924-706-0x000001F7C65E0000-0x000001F7C65F0000-memory.dmp

            memory/924-707-0x000001F7C65E0000-0x000001F7C65F0000-memory.dmp

            memory/924-30-0x000001F7E0760000-0x000001F7E077C000-memory.dmp

            memory/924-813-0x000001F7E0850000-0x000001F7E08A6000-memory.dmp

            memory/924-4938-0x000001F7E0850000-0x000001F7E08A6000-memory.dmp

            memory/924-17-0x000001F7C65E0000-0x000001F7C65F0000-memory.dmp

            memory/924-16-0x000001F7C65E0000-0x000001F7C65F0000-memory.dmp

            memory/2276-4948-0x0000028047CA0000-0x0000028047CB2000-memory.dmp

            memory/3088-0-0x000001962FF80000-0x000001962FF90000-memory.dmp

            memory/3088-10-0x00000196177C0000-0x00000196177D2000-memory.dmp

            memory/3088-1-0x0000019617D00000-0x0000019617D22000-memory.dmp