837ec0e9287fcb56331695971c618ce18f14dff0107ccd5749bd51c75bccc6d6

Analysis

max time kernel
31s
max time network
50s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
02-08-2024 19:40

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General

Target

Rift.exe
Size

279KB
MD5

53079cfec7e72232789416f1adb5e41e
SHA1

7f9099600f8bd745cf020a93ae3c4b9278624a8e
SHA256

9b2661b1eefc555a5ccacc9eef7285d3fe288e71d75351eb2e7b4f4fcba9b945
SHA512

e752de02a5b8be11dd243c9eed341247b0a3302b42371a6e51932c64855dcc428e2ffd2076b9a7faa798c6544884576b0df23b82784d09f5b9f0479bd47624ba
SSDEEP

3072:D6eSqsywT/IiODn5Ikt8pKO9WpheWyutIRMQc59uxmZx:DLDn5I7p8hen2n

Score

6^/10

discovery

Malware Config

Signatures

Drops desktop.ini file(s) 1 IoCs

Processes:

svchost.exe

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

Processes:

GameBarPresenceWriter.exe

pid process

6100 GameBarPresenceWriter.exe

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

pid	process
6100	GameBarPresenceWriter.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

Processes:

svchost.exe

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

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1287768749-810021449-2672985988-1000\{D1E838AC-3617-4212-8684-B75C4CD4B96F}	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

3240 OpenWith.exe

pid	process
3240	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\Rift.exe
"C:\Users\Admin\AppData\Local\Temp\Rift.exe"
1⤵
PID:3192

C:\Windows\System32\GameBarPresenceWriter.exe
"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
1⤵
- Network Service Discovery
PID:6100

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:3240

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:5848

Network

MITRE ATT&CK Enterprise v15

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Videos\Captures\desktop.ini

Filesize
190B

MD5
b0d27eaec71f1cd73b015f5ceeb15f9d

SHA1
62264f8b5c2f5034a1e4143df6e8c787165fbc2f

SHA256
86d9f822aeb989755fac82929e8db369b3f5f04117ef96fd76e3d5f920a501d2

SHA512
7b5c9783a0a14b600b156825639d24cbbc000f5066c48ce9fecc195255603fc55129aaaca336d7ce6ad4e941d5492b756562f2c7a1d151fcfc2dabac76f3946c

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