7699722451022d473ef4f0ff84f80165c2da15918b20056a023d87e3a6240f61

Analysis

max time kernel
148s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 11:01

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
1+2հ/nestopia.exe
Size 2.0MB
Sample260802-m4z41sysaw
SHA256 7699722451022d473ef4f0ff84f80165c2da15918b20056a023d87e3a6240f61
MD5 97ad56a44b4b6c81ec4895e080a44716
SHA1 e571a428bef389910cf3f10191b44700b8855d5f
SHA512 7ca76849fcd5e585896f0aa43f27dafdd313f00c6fe196375397b8a272007f8a4bc92679a99a12fa3e2027242a973e26649bd6995af65103b17f96cd4257a3c7
SSDEEP 24576:3/x7R+TZkRWyWYbVd5DQBkGbR+KRiMVJcM44sj3gr7gjDs1zWTVZu2bMzwzH7bCr:CTiR0YbvhQZTJcMmkgc1zWTGNzwcF
TLSH
T12FA5D042F3DBC17BC4131BB40A1E2B7571BAAE5A0765C6E767843F0EAEB07D29634181
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

discovery upx

Malware Config

Signatures

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Videos\Captures\desktop.ini	svchost.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral22/memory/3664-18-0x0000000000CF0000-0x0000000000D07000-memory.dmp	upx

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	nestopia.exe

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	nestopia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	nestopia.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1738198120-2966725515-3980530802-1000\{876BE1AB-9020-4B75-94A3-39E92FADF3E0}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1738198120-2966725515-3980530802-1000\{C5F58B21-F6A5-401E-A899-293EEB33C1EB}	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3664	nestopia.exe
3664	nestopia.exe
1768	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\1+2հ\nestopia.exe
"C:\Users\Admin\AppData\Local\Temp\1+2հ\nestopia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:3664

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:1768

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
PID:3356

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Checks processor information in registry
- Modifies registry class
PID:4700

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

desktop.ini

Path C:\Users\Admin\Videos\Captures\desktop.ini
Size 190B
SHA256 86d9f822aeb989755fac82929e8db369b3f5f04117ef96fd76e3d5f920a501d2
MD5 b0d27eaec71f1cd73b015f5ceeb15f9d
SHA1 62264f8b5c2f5034a1e4143df6e8c787165fbc2f
SHA512 7b5c9783a0a14b600b156825639d24cbbc000f5066c48ce9fecc195255603fc55129aaaca336d7ce6ad4e941d5492b756562f2c7a1d151fcfc2dabac76f3946c
TLSH
T11EC0121892F93224A1728D12BD7460119AB1F4217C16CA9D1380508F08A1601E631B53
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3664-18-0x0000000000CF0000-0x0000000000D07000-memory.dmp

Download

memory/3664-19-0x0000000000CF0000-0x0000000000D07000-memory.dmp