7223483544111e6a8b3865dd83d73f5543760c9050ec6b25c332bd5d9731e6b9

Analysis

user interaction
yes
max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/05/2026, 02:21

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General

Target
left4dead2.exe
Size 356KB
Sample260502-ctafhact2j
SHA256 7223483544111e6a8b3865dd83d73f5543760c9050ec6b25c332bd5d9731e6b9
MD5 6d32f4f522c6ae3d396bd6ad3c741568
SHA1 fdd55982b2e1f4411e40a90201c4ecd2aa2e2ef3
SHA512 adc722e2f5f5683f01e3be2ff04bfaf6ff27ac3e6d6d0180c8e56704779ef97b5e426e100fbb4d6d30bcb759b1d2ca5854e0aa6d703250cbb418530db9d76fef
SSDEEP 6144:N7nhK8GU/aDLReXJeev7Mh6E/avArvaI4zFKjKfr0jIf:N7nhdX7ghRC+YzF8Ks
TLSH
T1D174D035696AC06BF9D14B3C4AF7BB2441B9AFD53071C55BBA46FCEABD38EC05081218
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

discovery

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

Network Service Discovery 1 TTPs 1 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
1292	GameBarPresenceWriter.exe

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	left4dead2.exe

Checks processor information in registry 2 TTPs 2 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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2023547815-1162023398-1465618254-1000\{8F866736-F7F7-4EE1-88C0-C89247BE78AB}	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
656	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\left4dead2.exe
"C:\Users\Admin\AppData\Local\Temp\left4dead2.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:5040

C:\Windows\System32\GameBarPresenceWriter.exe
"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
1⤵
- Network Service Discovery
PID:1292

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:656

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:4984

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads