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
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
- Sample260724-pfa64aytf1
- 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 5 5976 PowerShell.exe - Executes dropped EXE 1 IoCs
pid Process 2248 claude-2.1.218-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 3 raw.githubusercontent.com 11 raw.githubusercontent.com -
pid Process 5976 PowerShell.exe - Modifies registry key 1 TTPs 2 IoCs
pid Process 4112 reg.exe 3420 reg.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5976 PowerShell.exe 5976 PowerShell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5976 PowerShell.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5976 wrote to memory of 2248 5976 PowerShell.exe 91 PID 2248 wrote to memory of 4112 2248 claude-2.1.218-win32-x64.exe 92 PID 2248 wrote to memory of 3420 2248 claude-2.1.218-win32-x64.exe 94 PID 2248 wrote to memory of 2268 2248 claude-2.1.218-win32-x64.exe 96 PID 2248 wrote to memory of 2280 2248 claude-2.1.218-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: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 latest2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKLM\SOFTWARE\Policies\ClaudeCode /v Settings3⤵
- Modifies registry key
PID:4112
-
-
C:\Windows\System32\reg.exeC:\Windows\System32\reg.exe query HKCU\SOFTWARE\Policies\ClaudeCode /v Settings3⤵
- Modifies registry key
PID:3420
-
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C:\Windows\System32\where.exeC:\Windows\System32\where.exe git3⤵PID:2268
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C:\Windows\System32\where.exeC:\Windows\System32\where.exe npm3⤵PID:2280
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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 4d7e14fc524e19bcbfcccdccd4d2c7bc67e0c1c617242ba0f1a82b592a1c7d34
- MD5 abb02ee1e00351c6f902f12e261e704e
- SHA1 27a5fbeea719319825d8c12508d1fe4e8dd81d56
- SHA512 987311a2039d99c89b601b56d602d004f5f31966b3b25f4e08e925dca9fe4b4e641c0766b0b6c66cdd91113f19d7303cad89f33892cdfad3e5251daff85079a2
- TLSH T1159002054571908A458018906D148AA48E50B59600415904250E874455546B39B5E420
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 133B
- SHA256 56eaa0bcb6e0637721cb373f2a241daa14e8b15f2b1399e17f96c5304161d06c
- MD5 301c6a365a45c81c1406eade1c782344
- SHA1 efd44895bd8c7785ef67682dd054f7ae0819328e
- SHA512 d227502576b2b7b3cff07a89e7955eed930e3d0c4829cdba01f2be6b94942953f082aaf22b06b18c84e927c56a1841c9a3c2f51291ae62d42d7b091a1393347f
- TLSH T13FC02B0C0871024307FC44702D184B10EF2D3C4F20003360130DC32400B0E73873E624
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 430B
- SHA256 8a51a36b9387f117b2f41061386a63d18cb2336637280df51a7d9123e220604e
- MD5 949d3f5bbcc669d299d162b19f0d7006
- SHA1 0034e132a825e104d8b696f4b29da2a41835a0f7
- SHA512 71fbfdb8bc31443797c232da7ca174b48780e7340121bd0e2e2e532f288276bc5830c3b520acad7b14a6b13c6c0e2bde07dfaac3c0ab777c59e2127ab6bce4de
- TLSH T1CFE0AB89A976D16723F90532AF9C50099EB8EE6F060538A8034F6A28002CF53623F674
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 208B
- SHA256 e339e27dc10ed96c3f7ef0b651f479816c57d0d2b20ba98dc08d3e75a8894c1f
- MD5 b52e9ad1124aca8aa83cbf19daef99ae
- SHA1 439197280ebcbf7bfe239f14ed588843b0a4bd60
- SHA512 7e16c33aec7a8b9070077cb52bd8470401f2e87eac8965a24a97742a20f8af9b9ecf6bdec9d145d60db4229ec49c4dbee2e1a585a62b70f5271405d88069cb86
- TLSH T1D4D0A9480632812203FD8672AF488611AEB8AC9B22043A64028F83280068EA3632F068
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 283B
- SHA256 622e2d437d4088f306f801ee9611768415e4c14cc7e64fc78c7f03c2c31f1e7e
- MD5 f8e243208ff4615d984a0cc891116dee
- SHA1 8bb0a01c2bef0085dd9785ddbffbace648dd833c
- SHA512 bf313df4d63af0dc644c239974af51b62f5cefd7d7aaf70fc7a8924ace61d74a362bcfbaedad1c66a4a9c1b1280fc9def6ae33a41a06b65334fa5def34ddd4da
- TLSH T12FD02B451571C17607FD4532BF5D45015E79AC5F15443578028F8724005CFA3777F574
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 389B
- SHA256 b6cd761db488eb276973e6595096225b7e9bd2386fff6981052b29a149f2a4d4
- MD5 cb45d485c09813fef5e0224b52f08844
- SHA1 ceced10a6e342ead407556d51af51eed551944a9
- SHA512 15033e863601f250de10566c21ab5333b68ddea33a045ac3678d22b018439a7475733c8ecafacd1fdbebc97442477237be145b74e8f4abba3a804e5a8d02c13a
- TLSH T185E068445976D17623FE0522AF4C4409AE79ED6E0A0439A8128FAA28106CF63633F674
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 169B
- SHA256 02a01f174a98f7aca625b84126fc6874beaf16b30c3d23b1c3da3f8f5ec14ffa
- MD5 53c8321bc6a1898e39a8605c819766ec
- SHA1 7a30310b012a5621b5e2d1029b493713263c15aa
- SHA512 c884c9efa02046736c355c289d5697421ea0fe478db1831f57b00fc3b0812e52f2588742887023538097671fc882276ad639f3751faf1de8377b5646d54642c6
- TLSH T1A2C080480571815307FD45717F5846119F797D5B10043664534EC3340064EA3573F538
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 235B
- SHA256 db59a028ac245fcf42bc9572f1b124e12895fbd85d23887c6b046fc364e7fdb2
- MD5 467bde94edb7def5f6fca8e98da85556
- SHA1 5ea92bd73769837337978af41faeeb1a7df48a59
- SHA512 3028ece60c52820ad8fa033c508a31ce1303325a3ffb9701d6cfb0b69a0ebbdb57b83ab44fc487a75c93004290411b0d67a175e59a7d967ba554cb7449d6da67
- TLSH T18FD0A7481632816307FD4576AF5D45115EB5EC5F15443564138F83240068FA3733F568
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\.claude.json
- Size 309B
- SHA256 a9235f58bd1b3ac37bc671e3e707c8bb600351f794a359cd876c463e5dc349fa
- MD5 bfa1bf436d0fea5b2f0432efb60a176d
- SHA1 0c69be64993ac864c62af882a0ede9d4f62405b6
- SHA512 9f4df442f23177d68644a8aba27ff899d93a73c76424ccffd66511f0fb1b63f23ec10aa4c6f248f3bdbce3676721271c5d0ff805b40cf8b542568f1f971dcaf6
- TLSH T120E072842931C07203FD4632AF5C40018EB8EC4F16003138028F8728001CFA373BF674
- MD5 SHA1 SHA512 TLSH