Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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:5028
    • 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⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:784
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Policies\ClaudeCode /v Settings
        3⤵
        • Modifies registry key
        PID:4056
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query HKCU\SOFTWARE\Policies\ClaudeCode /v Settings
        3⤵
        • Modifies registry key
        PID:3636
      • C:\Windows\System32\where.exe
        C:\Windows\System32\where.exe git
        3⤵
          PID:4956
        • C:\Windows\System32\where.exe
          C:\Windows\System32\where.exe npm
          3⤵
            PID:3352

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 133B
            • SHA256 00f2d0bff9678c08e61f4416fd04026e9c9590ad3b6d17f749188bea5cc9b792
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 430B
            • SHA256 32d3b8446ac32cfeb72bdad44ad3945baba1740bd949d5d9b5881894b5ebc108
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 50B
            • SHA256 3f1d63d8e119cebf4b107777603a02024578831e7e58a3219253e298024118da
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 169B
            • SHA256 5affbf3e20892b0256a222502e8330bccd973d24eb72a139bd24cb4630b0f8a4
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 208B
            • SHA256 5027d7546aeeb281637afde8cd1690ca9584d97c0443cc23b404d4d3bd61ee9e
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 524B
            • SHA256 5ce3222c4abe867eb519bcb0b38d17f025a7e608945838a4a94211e6ce4d254a
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 235B
            • SHA256 8946d4e94f08db8b9c5466248b487fac438662acffc194be04e5f1c8107e7938
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 283B
            • SHA256 1456531253c356f9042c562ba47da8411888428310b60d01e764d409a2e05299
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 309B
            • SHA256 4872c11abdf147ea1fc57d3867f50a9b6df692475824bb1fccbad2ab60999adc
            • MD5 SHA1 SHA512 TLSH

            .claude.json

            • Path C:\Users\Admin\.claude.json
            • Size 389B
            • SHA256 fd3687c25071ec37900c6c4ac1326b33e771b1acd2ce6b2670c95c74b158589f
            • MD5 SHA1 SHA512 TLSH

            settings.json

            • Path C:\Users\Admin\.claude\settings.json
            • Size 37B
            • SHA256 c0eb33614d13cccdc2db798e2a73c82af9e6f291d8261c6b711b620a8d18648d
            • MD5 SHA1 SHA512

            __PSScriptPolicyTest_41gp3c5n.gap.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_41gp3c5n.gap.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            memory/5028-20-0x000001166E0E0000-0x000001166E0F0000-memory.dmp

            memory/5028-13-0x000001166E0E0000-0x000001166E0F0000-memory.dmp

            memory/5028-12-0x000001166E0E0000-0x000001166E0F0000-memory.dmp

            memory/5028-10-0x0000011670F70000-0x0000011671498000-memory.dmp

            memory/5028-9-0x0000011670870000-0x0000011670A32000-memory.dmp

            memory/5028-0-0x000001166E0E0000-0x000001166E0F0000-memory.dmp

            memory/5028-87-0x000001166E0E0000-0x000001166E0F0000-memory.dmp

            memory/5028-111-0x000001166E0E0000-0x000001166E0F0000-memory.dmp

            memory/5028-115-0x000001166E0E0000-0x000001166E0F0000-memory.dmp

            memory/5028-1-0x0000011655A50000-0x0000011655A72000-memory.dmp