f003fc7873b3ebaced1ac2ea207a27ef9a3140f7d74c0305ac9cf8bdb64370bb

Analysis

max time kernel
24s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
16/06/2024, 12:18

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General

Target

nestopia.exe
Size

2.0MB
MD5

97ad56a44b4b6c81ec4895e080a44716
SHA1

e571a428bef389910cf3f10191b44700b8855d5f
SHA256

7699722451022d473ef4f0ff84f80165c2da15918b20056a023d87e3a6240f61
SHA512

7ca76849fcd5e585896f0aa43f27dafdd313f00c6fe196375397b8a272007f8a4bc92679a99a12fa3e2027242a973e26649bd6995af65103b17f96cd4257a3c7
SSDEEP

24576:3/x7R+TZkRWyWYbVd5DQBkGbR+KRiMVJcM44sj3gr7gjDs1zWTVZu2bMzwzH7bCr:CTiR0YbvhQZTJcMmkgc1zWTGNzwcF

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral5/memory/2244-8-0x0000000007180000-0x0000000007197000-memory.dmp	upx

Drops desktop.ini file(s) 1 IoCs

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

Checks processor information in registry 2 TTPs 4 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	nestopia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	nestopia.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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2457560273-69882387-977367775-1000\{6EAC415E-3E7E-4A20-9535-DE517294431C}	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1608	OpenWith.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2244	nestopia.exe
2244	nestopia.exe
1608	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\nestopia.exe
"C:\Users\Admin\AppData\Local\Temp\nestopia.exe"
1⤵
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:2244

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1608

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:4796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

Download Submit
memory/2244-8-0x0000000007180000-0x0000000007197000-memory.dmp

Filesize
92KB

Download
memory/2244-23-0x0000000007180000-0x0000000007197000-memory.dmp

Filesize
92KB

Download