neshta | 29284df8a2981573c3ed461e5af0c90a3199b4ff338d431debc126dc6d392e9f

Analysis

max time kernel
340s
max time network
418s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:06

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General

Target

ZoralMt2/Metin2.exe
Size

619KB
MD5

aac0d0a0ee44507e808062e7490182ab
SHA1

90c0bad36477ad99961eac4f5eab433821d286d1
SHA256

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b
SHA512

f999ce49df95145891ba3d9e268556d61c50a6b0e75edc39909dac916546bae900b2f35538780b4f5dff005dafe5ec6d043cdb34068836d0ca43e9027aa80124
SSDEEP

3072:sr85CdAnnnnnnnnnnnnnnnnttKR7EEusaY89j+sEoyV5/hH1ARqAnnnnnnnnnnn2:k9d2gR7Tusa99j+qouY2gR7Tusa99j+B

Score

10^/10

neshta persistence spyware

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs
persistence

Modify Registry
T1112

Change Default File Association
T1042

Processes:

Metin2.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" Metin2.exe
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Executes dropped EXE 1 IoCs

Processes:

Metin2.exe

pid process

4620 Metin2.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

Metin2.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation Metin2.exe
Drops file in Windows directory 1 IoCs

Processes:

Metin2.exe

description ioc process

File opened for modification C:\Windows\svchost.com Metin2.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

Metin2.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" Metin2.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

Metin2.exe

description pid process target process

PID 628 wrote to memory of 4620 628 Metin2.exe Metin2.exe
PID 628 wrote to memory of 4620 628 Metin2.exe Metin2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	Metin2.exe

pid	process
4620	Metin2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	Metin2.exe

description	ioc	process
File opened for modification	C:\Windows\svchost.com	Metin2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	Metin2.exe

description	pid	process	target process
PID 628 wrote to memory of 4620	628	Metin2.exe	Metin2.exe
PID 628 wrote to memory of 4620	628	Metin2.exe	Metin2.exe

C:\Users\Admin\AppData\Local\Temp\ZoralMt2\Metin2.exe
"C:\Users\Admin\AppData\Local\Temp\ZoralMt2\Metin2.exe"
1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:628

C:\Users\Admin\AppData\Local\Temp\3582-490\Metin2.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\Metin2.exe"
2⤵
- Executes dropped EXE
PID:4620

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\Metin2.exe
Filesize
579KB

MD5
3f64795b285d66ef47df701eedecd782

SHA1
213dd8b0a0fbbb3e22a04ab45e937487acef6a6b

SHA256
d0a95f9f6554b6d0dce5b30319c6343617f510a766d0f8aae3f8287c0db15179

SHA512
8797625438292bbf32ea58c29ea9a9ab000fb08aa60140a4d1aedf394bda6e01c2df0dae47cd2473af1af47c55e312ca2b0d783f361c49a995e24d280f0cc66f

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\Metin2.exe
Filesize
579KB

MD5
3f64795b285d66ef47df701eedecd782

SHA1
213dd8b0a0fbbb3e22a04ab45e937487acef6a6b

SHA256
d0a95f9f6554b6d0dce5b30319c6343617f510a766d0f8aae3f8287c0db15179

SHA512
8797625438292bbf32ea58c29ea9a9ab000fb08aa60140a4d1aedf394bda6e01c2df0dae47cd2473af1af47c55e312ca2b0d783f361c49a995e24d280f0cc66f

Download Submit
memory/4620-132-0x0000000000000000-mapping.dmp

Download
memory/4620-135-0x00007FFDBE5D0000-0x00007FFDBF006000-memory.dmp

Filesize
10.2MB

Download