b9702ecf2928354dfc32e25468848408de40b82d237f83953fdc6d6d655050ef

Analysis

max time kernel
149s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
22/04/2026, 12:24

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General

Target
install.ps1
Size 2KB
Sample260422-plefpsex8m
SHA256 b9702ecf2928354dfc32e25468848408de40b82d237f83953fdc6d6d655050ef
MD5 ddb2d878d67754249ca5f5bb0b423f1a
SHA1 4b25b9d5919a3077375e67245681af5ea1d96cef
SHA512 f1099369f015cf12bc0976e343866416be935780702cfd368dd96ceb4d4570903c2fefb0008eeef6f4f183049ffc4fcccee7521dc61c4256c3920a60cec14b1d
TLSH
T1165175138371123191E1130245CFB144625581BF8A4E1E2975AE9200BFA663CEBF33FB
MD5 SHA1 SHA512 TLSH

Score

8^/10

execution

Malware Config

Signatures

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
2	2488	PowerShell.exe

Executes dropped EXE 1 IoCs

pid	Process
2848	claude-2.1.117-win32-x64.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2488	PowerShell.exe

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
3244	reg.exe
3284	reg.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2488	PowerShell.exe
2488	PowerShell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	PowerShell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2848	2488	PowerShell.exe	80
PID 2848 wrote to memory of 3244	2848	claude-2.1.117-win32-x64.exe	81
PID 2848 wrote to memory of 3284	2848	claude-2.1.117-win32-x64.exe	82
PID 2848 wrote to memory of 4640	2848	claude-2.1.117-win32-x64.exe	83

C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\install.ps1
1⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\.claude\downloads\claude-2.1.117-win32-x64.exe
  "C:\Users\Admin\.claude\downloads\claude-2.1.117-win32-x64.exe" install latest
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\System32\reg.exe
    C:\Windows\System32\reg.exe query HKLM\SOFTWARE\Policies\ClaudeCode /v Settings
    3⤵
    - Modifies registry key
    PID:3244
- - C:\Windows\System32\reg.exe
    C:\Windows\System32\reg.exe query HKCU\SOFTWARE\Policies\ClaudeCode /v Settings
    3⤵
    - Modifies registry key
    PID:3284
- - C:\Windows\System32\where.exe
    C:\Windows\System32\where.exe git
    3⤵
    PID:4640

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_2gcdud0m.w2a.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2gcdud0m.w2a.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/2488-0-0x0000022B1F860000-0x0000022B1F870000-memory.dmp

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memory/2488-1-0x0000022B1F860000-0x0000022B1F870000-memory.dmp

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memory/2488-8-0x0000022B1F8C0000-0x0000022B1F8E2000-memory.dmp

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memory/2488-9-0x0000022B1F860000-0x0000022B1F870000-memory.dmp

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memory/2488-10-0x0000022B1FEA0000-0x0000022B20062000-memory.dmp

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memory/2488-11-0x0000022B205A0000-0x0000022B20AC8000-memory.dmp

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memory/2488-14-0x0000022B1F840000-0x0000022B1F852000-memory.dmp

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memory/2488-13-0x0000022B07140000-0x0000022B0714C000-memory.dmp

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memory/2488-26-0x0000022B07140000-0x0000022B0714C000-memory.dmp

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memory/2848-23-0x000001CBA1A20000-0x000001CBA1A2C000-memory.dmp

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