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
Static task
static1
Behavioral task
behavioral1
Sample
bootstrap.ps1
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
bootstrap.ps1
Resource
win11ltsc2024-20260709-en
8 signatures
150 seconds
General
- Target bootstrap.ps1
- Size 3KB
- Sample260729-g274ysyth1
- SHA256 cd17c6b555f761d60373659824bf805e1510538226e4c7028e19d7494937a333
- MD5 bcdb5ddf3b60a9cfa8f0d8803552a0dc
- SHA1 b0be54fbb7d8f977763edbb84e373c3cc568c05b
- SHA512 0418723fc6107785bab6cf6e831b91b25ddd5e301b17466a09682b820394b47d4b2c1123b3aedc96e407bddb4cf98248aaaea80118b5d16857f4ebf1fa3d0308
- TLSH T13961441B4371427251A1130295CFB246B3A140BF8A4D6E2479ED9704BF96A3CDBE37B7
- 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.
flow pid Process 4 2564 PowerShell.exe - Executes dropped EXE 1 IoCs
pid Process 4612 claude-2.1.220-win32-x64.exe - 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.
flow ioc 2 raw.githubusercontent.com 16 raw.githubusercontent.com -
pid Process 2564 PowerShell.exe - Modifies registry key 1 TTPs 2 IoCs
pid Process 2200 reg.exe 5492 reg.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2564 PowerShell.exe 2564 PowerShell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2564 PowerShell.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2564 wrote to memory of 4612 2564 PowerShell.exe 91 PID 4612 wrote to memory of 2200 4612 claude-2.1.220-win32-x64.exe 92 PID 4612 wrote to memory of 5492 4612 claude-2.1.220-win32-x64.exe 93 PID 4612 wrote to memory of 4840 4612 claude-2.1.220-win32-x64.exe 96 PID 4612 wrote to memory of 5580 4612 claude-2.1.220-win32-x64.exe 98
Processes
-
C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\bootstrap.ps11⤵
- 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 latest2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\Policies\ClaudeCode /v Settings3⤵
- Modifies registry key
PID:2200
-
-
C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKCU\SOFTWARE\Policies\ClaudeCode /v Settings3⤵
- Modifies registry key
PID:5492
-
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C:\Windows\System32\where.exeC:\Windows\System32\where.exe git3⤵PID:4840
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C:\Windows\System32\where.exeC:\Windows\System32\where.exe npm3⤵PID:5580
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\.claude.json
- Size 50B
- SHA256 0d830d5414b906c7d3767310eb92759b7297dc67caf74037d16f9da75c6652c0
- MD5 c9f6d540e660879875d56633b7cf50f9
- SHA1 85a25452985cddb2e503b8d0e7b2708919247dcb
- SHA512 1387933b24ce60463f926f1c70a96bfab989d021531aa5af0e9aab112f2a88a0c15411ffc57b8ea0c658e61632162d1bac3b3cc507b5fc09776177a38d4ba0c8
- TLSH T1D590020410B2658644800460781C96F4CE64A90505424565318A470515D06631A6A070
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 133B
- SHA256 aa0ab102d200f79c106eb72d935ece3ca7fe3189bf8aadce28aa5e52ec824c7a
- MD5 9397ee6db3cf0e2379c0b4f7bf8d63ee
- SHA1 449f04dc7cd2c01a9bbc23dfa39cf36d89d7cbb9
- SHA512 40713c7fc7ed311e74024876a5f053f5c9a24ab6de6620d9c57f85a87ea22547c0f0d3bf66c508fe80f636cba0116ad8c0179a88b8efe04c483de480c3b6eb1d
- TLSH T1A6C02B186872140F60E500287CBD8392CF188F0B030106B4236F130000BA2538EDE136
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 430B
- SHA256 1ed7b21965d528272f9f73593c0b336523ade0198f717b48cce45970ce705be2
- MD5 e06aaa704b50fa7f153615c0dbec5410
- SHA1 a3589c5c7466d4cc48cecc8fb5828ca4f300ba81
- SHA512 f1f227cbda722b534d7b1081df6dd6536431c27efae36ec9f55453fe9c7f2b99e4ac81356158cee782437da0d35e0185d3dcc23b7ed205a68390f030e4f3c371
- TLSH T1C3E0A314B516D41B11FB05377DFE40514DF4CD59064434E903CF1B04011DB6369BF675
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 169B
- SHA256 da4c8ef867968bbad9b567507fbe1af8af0d5ed1906a7018b57b598b91df4fa8
- MD5 2773c2d086c86ae9ea6f29bf59a83f62
- SHA1 3acb7b63edf268e3a9847b261ceaf31e1e99226e
- SHA512 1e3db4d48a8669156b0e5ddde0bba4acaf37d00540aabc3f4c48d0a717ac7ecf5b2fa1beab0119e721def740f3076de885ae20d325683c58ae2044958ec6c8d4
- TLSH T11CC080146662940F50F6041AB96D92568F749F0B07051574539F1310516E6935E9F03A
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 208B
- SHA256 af681636dbacf8c9c2418ddfe37d1aef7f880280eced8424daf6e53963fe68c1
- MD5 1629a8394a0679010661aca5141a0a51
- SHA1 ce70bbfe92b5b6e65e87c6f22b6dfc09c47b08b0
- SHA512 c4e361abe25c5e2306e8aace9699ea0144382647e7a18d70daebd67bf895fd4363a14243b206b4f713f454d3a57dbfe79550c9add4dfd4ae5420c5954c2a6e04
- TLSH T144D0A7042622941A10F6011ABA5D91564A748E0A07051974539B0300006DA936A5B079
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 235B
- SHA256 8ecacf2c8f7607a64541ccc021f04c6be95259e9b6a8be0f4863ee70204d9878
- MD5 ae4b8d84129bf378e09c358419831484
- SHA1 4cea9c47798b22d1a538fcfcafd61e56004dc3b0
- SHA512 1829305b04592df42fffe0a3261cab9dbe3ea23b6541e27880d99c8c246460baa109c896be3ad1bf9fa1ba0b6f1a233df57f5a46e4279251a3b9ba27a5a09c01
- TLSH T1B8D0A7142626945B11FA011BBFAE91964EB4DE1E0745197813DB0710406DB936BAB0B9
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 283B
- SHA256 cc222001503059e18735e75bccec6ab271e6dbba0fb58954873ec827c5f72ae6
- MD5 282229c52fbcb2757b29ea09da11b430
- SHA1 3dad95beb4397ce89c3cf49f310cb31528d5be61
- SHA512 febc2f962b733f63bd81a0c2954019d2991e80219a108fe3514cb33e61d1bce894705e0d3a5bc138bea41b0eaf60d15779fc00d9d38cb094e5ff53dd5fa5c607
- TLSH T1D8D02B147666D46E11FA041BFE6E51864D74CD0E0B45247C13CF1B00115DB936AAB575
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 309B
- SHA256 d8275b50ee420dcf49819f06f7b37a89e3d81f82c5d597ff76cd999555243a3a
- MD5 2f01779e8d1b91c41fc4c01492e60043
- SHA1 be7665173c7b43a9d782755c310910d659534cd0
- SHA512 77854d1cb45400896e1a8bccf4261a3c208a31907a81c6baa0ab1d6ebac574439926683ebeda8496548186f2ecd1ed3249fe8832347896843a6e58b0ee835393
- TLSH T127E07D107535D02A51F60117BE6D50428E74CD0D0740247C038F0704111DB536AEB175
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 389B
- SHA256 ea73a130f9c98c1a5c67ce0c64a2afabc9719234815bc585797f033e128d3acb
- MD5 d46ca5168eb182638f5d65953e755f9a
- SHA1 0b1a83f4ee7fd4830987c6ab4af73f7703a313bd
- SHA512 3ad45b20e9704ad5b9af7e806045b3ce3f080fb4eb25b5163333e1787576d0aa10154037797e99be98dc4503401ba0eee36eb6b7a2ecbdb1d4a01153a5ce5b88
- TLSH T141E061107525D41A51FB05577DAE40418D74CD1D064024FD03CF1B14111DF735ABF275
- MD5 SHA1 SHA512 TLSH