d5590802bf0926ac30d8e31c0911439c35aead82bf17771cfd1f9a785a7bf143

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
31/07/2026, 13:10

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General

Target
Claude-Pro-Relay-Technical-Overview/_CL_177530/_CL_177530/_CL_177530/_CL_177530/_CL_177530/_CL_17753.dll
Size 83KB
Sample260731-qee94aba28
SHA256 d5590802bf0926ac30d8e31c0911439c35aead82bf17771cfd1f9a785a7bf143
MD5 88ac1c5fc9ee89491c70ea16131e264a
SHA1 910465739b3170584150e9260bfba6a65e633f35
SHA512 3b82d2a5a8de77cad0f3ff25e629953690616ec802814d5692b4ccdf15eb60188b3b562232c57bbb26c267fcfe829b90ae4b6fc2329bcbf0a0c03cdd31bab890
SSDEEP 1536:slkswt5LGk3FpPTKEwhfZvEmd8nwzN68t2PCbzsYDJgzneesW5cdwJeMnx1+:shwt5xpPGEocmd8OZt2PCN1UnmwJeMnm
TLSH
T103836B0075D1C075D9BE19351828D6B59B3EB910DFE1DDEB3B9907AA0F302D1EE31A2A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5788	4308	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 4308	4808	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Claude-Pro-Relay-Technical-Overview\_CL_177530\_CL_177530\_CL_177530\_CL_177530\_CL_177530\_CL_17753.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Claude-Pro-Relay-Technical-Overview\_CL_177530\_CL_177530\_CL_177530\_CL_177530\_CL_177530\_CL_17753.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 600
    3⤵
    - Program crash
    PID:5788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4308 -ip 4308
1⤵
PID:2356

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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