Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 12:24

General

  • Target
    bootstrap.ps1
  • Size 3KB
  • Sample260805-plbptaah46
  • SHA256 cd17c6b555f761d60373659824bf805e1510538226e4c7028e19d7494937a333
  • MD5 SHA1 SHA512 TLSH
Score
8/10

Malware Config

Signatures

  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\bootstrap.ps1
    1⤵
    • Badlisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\.claude\downloads\claude-2.1.222-win32-x64.exe
      "C:\Users\Admin\.claude\downloads\claude-2.1.222-win32-x64.exe" install latest
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4584
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Policies\ClaudeCode /v Settings
        3⤵
        • Modifies registry key
        PID:4380
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKCU\SOFTWARE\Policies\ClaudeCode /v Settings
        3⤵
        • Modifies registry key
        PID:1128
      • C:\Windows\System32\where.exe
        C:\Windows\System32\where.exe git
        3⤵
          PID:2860
        • C:\Windows\System32\where.exe
          C:\Windows\System32\where.exe npm
          3⤵
            PID:4576

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 50B
            • SHA256 1d5eea49b5b4af26ea654d667230b7f0617c09ee2150c5f2edd234174443e16c
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 133B
            • SHA256 8eba4209859a53de346a1affbcb384087411a76b326de696415b0535cda2aa9a
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 430B
            • SHA256 c5502f901818e943ee7fd7bc10dc856a58f78b40621e8c22305c1ee8d67144d2
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 169B
            • SHA256 63e3803c30545b0a7a925312892eaccce368b7432b0b83fc3a46fa63573b0a1d
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 208B
            • SHA256 be4449fee8a5e7da8c106b7a5e55a0be5e74cdd3694a54b325ed4c96e2b2ae05
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 235B
            • SHA256 539156a36706c21d3882a3352f4f35fb25436f6ef9b4e7e7050372855de3f043
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 283B
            • SHA256 eb600ee0524c0ea4cf446d6433f9355eefe0e4a795be2561bf2dd2591491ae9a
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 309B
            • SHA256 8a9e7955d57d0cc0c584697f33e95bdab6c5a607c33d270bedd4669e084e5152
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 389B
            • SHA256 d80a8a477990e4a3d869f5d2064e3b996365d8ccefab9ee7780ccff6bef5f9ed
            • MD5 SHA1 SHA512 TLSH

            memory/1312-9-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-24-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-13-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-14-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-15-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-16-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-17-0x0000022AF7450000-0x0000022AF7612000-memory.dmp

            memory/1312-18-0x0000022AF7B50000-0x0000022AF8078000-memory.dmp

            memory/1312-20-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-21-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-23-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-12-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-11-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-10-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-0-0x00007FF89765F000-0x00007FF897660000-memory.dmp

            memory/1312-8-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-7-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-6-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-5-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-4-0x0000022AF6D70000-0x0000022AF6D92000-memory.dmp

            memory/1312-3-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp

            memory/1312-91-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp