Analysis
- max time kernel
194s - max time network
194s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260630-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/07/2026, 19:41
Static task
static1
Behavioral task
behavioral1
Sample
GUP.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
GUP.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral3
Sample
README.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
README.txt
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral5
Sample
libcurl.dll
Resource
win10v2004-20260513-en
General
- Target libcurl.dll
- Size 10.2MB
- Sample260703-yeacvaby2n
- SHA256 a980505285bc469dc4b19a9df9d48db17cd28f97c56b68ef11dadb8c5023040e
- MD5 f0eeedaa0577440569080f61b180f353
- SHA1 8c82acf8f1349b59166882452308e903205e6db2
- SHA512 f4a7ea241496650353830dc9a95d570b5251d139b286db0a9835cb59554528b259c90208640a1d3a6980d719f4dbacce0ae452e293101e92c38abe73e9f3c5d2
- SSDEEP 49152:FhsW01a/VHVYsNhKlrzPtGKO7CMwTO5cZuvsvoZhebKmpqszcbf5NYCIixa+3RGA:J7
- TLSH T17EB60773644D32CB58920453E112A0F38CBDE936A71A92E5D48F902D39EE0ED956FFB1
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 2 6132 rundll32.exe 3 6132 rundll32.exe 4 6132 rundll32.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ip-api.com 2 api.ipify.org 1 api.ipify.org - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 6132 wrote to memory of 6040 6132 rundll32.exe 89 PID 6132 wrote to memory of 6040 6132 rundll32.exe 89 PID 6132 wrote to memory of 3764 6132 rundll32.exe 91 PID 6132 wrote to memory of 3764 6132 rundll32.exe 91 PID 6132 wrote to memory of 3316 6132 rundll32.exe 93 PID 6132 wrote to memory of 3316 6132 rundll32.exe 93 PID 6132 wrote to memory of 1900 6132 rundll32.exe 95 PID 6132 wrote to memory of 1900 6132 rundll32.exe 95
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\libcurl.dll,#11⤵
- Badlisted process makes network request
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:6132 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"2⤵PID:6040
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"2⤵PID:3764
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"2⤵PID:3316
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"2⤵PID:1900
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:6372
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:7016
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:6116
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:5140