Malware analysis NerestPC changer fix.exe Malicious activity

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File name:	NerestPC changer fix.exe
Full analysis:	https://app.any.run/tasks/4a7bf221-2f24-4b9b-b42d-2fd9e3c08a83
Verdict:	Malicious activity
Analysis date:	December 15, 2024, 13:10:24
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	xor-url generic themida
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64, for MS Windows, 6 sections
MD5:	9C017D59EF6597CB0FFCC0DBAC9CC13E
SHA1:	F30AC3AD355210C7F3ED2C2A66A76BCA70A69424
SHA256:	3CB2A13FCE2811EC3DD19354D7B9480C085860DB5665F1C1300261E395655894
SSDEEP:	98304:aK8FvVlrwsUjoPqzvq8bsgfQdgbXjUqb9MLHmV4W33XAdJotreS+bfQ0dvvww9P/:4m4m0x+f

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

Launch configuration

Task duration:: 60 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: on
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (122.0.6261.70)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (122.0.2365.59)
Microsoft Edge Update (1.3.185.17)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (123.0)
Mozilla Maintenance Service (123.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Skype version 8.104 (8.104)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
- XORed URL has been found (YARA)
  - NerestPC changer fix.exe (PID: 5732)
SUSPICIOUS
- Reads the BIOS version
  - NerestPC changer fix.exe (PID: 5732)
- There is functionality for taking screenshot (YARA)
  - NerestPC changer fix.exe (PID: 5732)
INFO
- Creates files in the program directory
  - NerestPC changer fix.exe (PID: 5732)
- Checks supported languages
  - NerestPC changer fix.exe (PID: 5732)
- Reads the computer name
  - NerestPC changer fix.exe (PID: 5732)
- Reads the machine GUID from the registry
  - NerestPC changer fix.exe (PID: 5732)
- Themida protector has been detected
  - NerestPC changer fix.exe (PID: 5732)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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xor-url

(PID) Process(5732) NerestPC changer fix.exe

Decrypted-URLs (2)https://pc.nerest.cc/api/NerestChanger/get/skins_id

https://t.me/nerestpc

No Malware configuration.

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TRiD

.exe	\|	Generic Win/DOS Executable (49.6)
.exe	\|	DOS Executable Generic (49.5)
.vxd	\|	VXD Driver (0.7)

EXIF

EXE

MachineType:	AMD AMD64
TimeStamp:	2024:04:20 03:07:05+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	8
CodeSize:	1077248
InitializedDataSize:	53248
UninitializedDataSize:	-
EntryPoint:	0x894058
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	1.0.0.0
ProductVersionNumber:	1.0.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
Comments:	-
CompanyName:	-
FileDescription:	NerestPC changer
FileVersion:	1.0.0.0
InternalName:	NerestPC changer.exe
LegalCopyright:	Copyright © 2023
LegalTrademarks:	-
OriginalFileName:	NerestPC changer.exe
ProductName:	NerestPC changer
ProductVersion:	1.0.0.0
AssemblyVersion:	1.0.0.0

No data.

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All screenshots are available in the full report

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Total processes

118

Monitored processes

1

Malicious processes

1

Suspicious processes

0

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

5732

"C:\Users\admin\AppData\Local\Temp\NerestPC changer fix.exe"

C:\Users\admin\AppData\Local\Temp\NerestPC changer fix.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

NerestPC changer

Version:

1.0.0.0

Modules

Images
c:\users\admin\appdata\local\temp\nerestpc changer fix.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll

xor-url

(PID) Process(5732) NerestPC changer fix.exe

Decrypted-URLs (2)https://pc.nerest.cc/api/NerestChanger/get/skins_id

https://t.me/nerestpc

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Total events

174

Read events

174

Write events

0

Delete events

0

Modification events

No data

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Executable files

0

Suspicious files

1

Text files

0

Unknown types

0

Dropped files

PID	Process	Filename		Type
5732	NerestPC changer fix.exe	C:\ProgramData\mntemp		binary
		MD5:9CFD336E7E3A6868C1967B00F6A95CBB	SHA256:D366BCA125CE5CBAC06E85F9A37F930DA848A9913F42FFCA4F8C64632F5AC4CF

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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HTTP(S) requests

0

TCP/UDP connections

25

DNS requests

4

Threats

0

HTTP requests

No HTTP requests

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4	System	192.168.100.255:138	—	—	—	whitelisted
—	—	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
—	—	192.168.100.255:137	—	—	—	whitelisted
4712	MoUsoCoreWorker.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
3976	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
440	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.124.78.146 4.231.128.59	whitelisted
google.com	142.250.185.238	whitelisted

Threats

No threats detected

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No debug info

General Info

NerestPC changer fix.exe

9C017D59EF6597CB0FFCC0DBAC9CC13E

F30AC3AD355210C7F3ED2C2A66A76BCA70A69424

3CB2A13FCE2811EC3DD19354D7B9480C085860DB5665F1C1300261E395655894

98304:aK8FvVlrwsUjoPqzvq8bsgfQdgbXjUqb9MLHmV4W33XAdJotreS+bfQ0dvvww9P/:4m4m0x+f

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

XORed URL has been found (YARA)

SUSPICIOUS

Reads the BIOS version

There is functionality for taking screenshot (YARA)

INFO

Creates files in the program directory

Checks supported languages

Reads the computer name

Reads the machine GUID from the registry

Themida protector has been detected

Malware configuration

xor-url

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Malware configuration

xor-url

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings