Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/07/2026, 06:19

General

  • Target
    bootstrap.ps1
  • Size 3KB
  • Sample260729-g274ysyth1
  • 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:2564
    • C:\Users\Admin\.claude\downloads\claude-2.1.220-win32-x64.exe
      "C:\Users\Admin\.claude\downloads\claude-2.1.220-win32-x64.exe" install latest
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4612
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Policies\ClaudeCode /v Settings
        3⤵
        • Modifies registry key
        PID:2200
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKCU\SOFTWARE\Policies\ClaudeCode /v Settings
        3⤵
        • Modifies registry key
        PID:5492
      • C:\Windows\System32\where.exe
        C:\Windows\System32\where.exe git
        3⤵
          PID:4840
        • C:\Windows\System32\where.exe
          C:\Windows\System32\where.exe npm
          3⤵
            PID:5580

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 50B
            • SHA256 0d830d5414b906c7d3767310eb92759b7297dc67caf74037d16f9da75c6652c0
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 133B
            • SHA256 aa0ab102d200f79c106eb72d935ece3ca7fe3189bf8aadce28aa5e52ec824c7a
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 430B
            • SHA256 1ed7b21965d528272f9f73593c0b336523ade0198f717b48cce45970ce705be2
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 169B
            • SHA256 da4c8ef867968bbad9b567507fbe1af8af0d5ed1906a7018b57b598b91df4fa8
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 208B
            • SHA256 af681636dbacf8c9c2418ddfe37d1aef7f880280eced8424daf6e53963fe68c1
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 235B
            • SHA256 8ecacf2c8f7607a64541ccc021f04c6be95259e9b6a8be0f4863ee70204d9878
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 283B
            • SHA256 cc222001503059e18735e75bccec6ab271e6dbba0fb58954873ec827c5f72ae6
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 309B
            • SHA256 d8275b50ee420dcf49819f06f7b37a89e3d81f82c5d597ff76cd999555243a3a
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 389B
            • SHA256 ea73a130f9c98c1a5c67ce0c64a2afabc9719234815bc585797f033e128d3acb
            • MD5 SHA1 SHA512 TLSH

            memory/2564-9-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-26-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-13-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-14-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-15-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-16-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-17-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-18-0x0000023D2D1B0000-0x0000023D2D372000-memory.dmp

            memory/2564-19-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-20-0x0000023D2D8B0000-0x0000023D2DDD8000-memory.dmp

            memory/2564-25-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-12-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-11-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-10-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-0-0x00007FFC1245F000-0x00007FFC12460000-memory.dmp

            memory/2564-8-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-7-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-6-0x0000023D2CB80000-0x0000023D2CBA2000-memory.dmp

            memory/2564-3-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-2-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-1-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

            memory/2564-93-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp