Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/07/2026, 12:15

General

  • Target
    bootstrap.ps1
  • Size 3KB
  • Sample260724-pfa64aytf1
  • 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:5976
    • C:\Users\Admin\.claude\downloads\claude-2.1.218-win32-x64.exe
      "C:\Users\Admin\.claude\downloads\claude-2.1.218-win32-x64.exe" install latest
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2248
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Policies\ClaudeCode /v Settings
        3⤵
        • Modifies registry key
        PID:4112
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKCU\SOFTWARE\Policies\ClaudeCode /v Settings
        3⤵
        • Modifies registry key
        PID:3420
      • C:\Windows\System32\where.exe
        C:\Windows\System32\where.exe git
        3⤵
          PID:2268
        • C:\Windows\System32\where.exe
          C:\Windows\System32\where.exe npm
          3⤵
            PID:2280

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 50B
            • SHA256 4d7e14fc524e19bcbfcccdccd4d2c7bc67e0c1c617242ba0f1a82b592a1c7d34
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 133B
            • SHA256 56eaa0bcb6e0637721cb373f2a241daa14e8b15f2b1399e17f96c5304161d06c
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 430B
            • SHA256 8a51a36b9387f117b2f41061386a63d18cb2336637280df51a7d9123e220604e
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 208B
            • SHA256 e339e27dc10ed96c3f7ef0b651f479816c57d0d2b20ba98dc08d3e75a8894c1f
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 283B
            • SHA256 622e2d437d4088f306f801ee9611768415e4c14cc7e64fc78c7f03c2c31f1e7e
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 389B
            • SHA256 b6cd761db488eb276973e6595096225b7e9bd2386fff6981052b29a149f2a4d4
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 169B
            • SHA256 02a01f174a98f7aca625b84126fc6874beaf16b30c3d23b1c3da3f8f5ec14ffa
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 235B
            • SHA256 db59a028ac245fcf42bc9572f1b124e12895fbd85d23887c6b046fc364e7fdb2
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 309B
            • SHA256 a9235f58bd1b3ac37bc671e3e707c8bb600351f794a359cd876c463e5dc349fa
            • MD5 SHA1 SHA512 TLSH

            memory/5976-17-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-10-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-13-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-14-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-15-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-0-0x00007FFBE067F000-0x00007FFBE0680000-memory.dmp

            memory/5976-16-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-18-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-19-0x00000228FA530000-0x00000228FA6F2000-memory.dmp

            memory/5976-20-0x00000228FAC30000-0x00000228FB158000-memory.dmp

            memory/5976-11-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-12-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-44-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-9-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-8-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-7-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-6-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-5-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-1-0x00000228E1BB0000-0x00000228E1BD2000-memory.dmp

            memory/5976-2-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp

            memory/5976-92-0x00007FFBE04F0000-0x00007FFBE0E94000-memory.dmp