Malware analysis SecuriteInfo.com.Win32.PWSX-gen.257.81 Malicious activity

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File name:	SecuriteInfo.com.Win32.PWSX-gen.257.81
Full analysis:	https://app.any.run/tasks/f4f7b6e1-9962-4eef-a49e-861cb54d8629
Verdict:	Malicious activity
Threats:	Stealc is a stealer malware that targets victims’ sensitive data, which it exfiltrates from browsers, messaging apps, and other software. The malware is equipped with advanced features, including fingerprinting, control panel, evasion mechanisms, string obfuscation, etc. Stealc establishes persistence and communicates with its C2 server through HTTP POST requests. Stealc ist eine Stealer-Malware, die es auf die sensiblen Daten der Opfer abgesehen hat, die sie aus Browsern, Messaging-Apps und anderer Software exfiltriert. Die Malware ist mit fortschrittlichen Funktionen ausgestattet, darunter Fingerprinting, Bedienfeld, Umgehungsmechanismen, String-Verschleierung usw. Stealc stellt eine Persistenz her und kommuniziert mit seinem C2-Server über HTTP-POST-Anfragen. Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns. Malware Trends Tracker >>>
Analysis date:	September 20, 2024, 19:19:37
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	stealer stealc
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (GUI) Intel 80386, for MS Windows
MD5:	93B11C94EC752489E28945D992B43084
SHA1:	ED07E5033511E4625AC7851F9E7C9677FAF34B2C
SHA256:	CEF6284988FA18E919D48E9EB9C920C6D1568D4DDCE19EEB5FD43E804AABE2E2
SSDEEP:	98304:FeLyRX8JJhjR2Ej0/cKTiPJbb0W7V2ti7SZ+yhJQNku8SQojUaAjLHl10mYOF4uC:PWOEH

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:: off
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
- StealC has been detected
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- Stealers network behavior
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- STEALC has been detected (SURICATA)
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- Connects to the CnC server
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
SUSPICIOUS
- Reads the BIOS version
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- Windows Defender mutex has been found
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- Reads security settings of Internet Explorer
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- Contacting a server suspected of hosting an CnC
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
INFO
- Checks supported languages
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- Reads the computer name
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- Sends debugging messages
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- Creates files or folders in the user directory
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)
- Checks proxy server information
  - SecuriteInfo.com.Win32.PWSX-gen.257.81.exe (PID: 3980)

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

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No Malware configuration.

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TRiD

.dll	\|	Win32 Dynamic Link Library (generic) (43.5)
.exe	\|	Win32 Executable (generic) (29.8)
.exe	\|	Generic Win/DOS Executable (13.2)
.exe	\|	DOS Executable Generic (13.2)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2024:09:20 12:12:18+00:00
ImageFileCharacteristics:	Executable, 32-bit
PEType:	PE32
LinkerVersion:	10
CodeSize:	116736
InitializedDataSize:	2399744
UninitializedDataSize:	-
EntryPoint:	0x4eb000
OSVersion:	5.1
ImageVersion:	-
SubsystemVersion:	5.1
Subsystem:	Windows GUI

No data.

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All screenshots are available in the full report

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Total processes

131

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2812

"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent

C:\Windows\System32\slui.exe

—

SppExtComObj.Exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Windows Activation Client

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll

3980

"C:\Users\admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.257.81.exe"

C:\Users\admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.257.81.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\securiteinfo.com.win32.pwsx-gen.257.81.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll

4152

C:\WINDOWS\system32\SppExtComObj.exe -Embedding

C:\Windows\System32\SppExtComObj.Exe

—

svchost.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

KMS Connection Broker

Version:

10.0.19041.3996 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\sppextcomobj.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\oleaut32.dll

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Total events

450

Read events

447

Write events

Delete events

Modification events


(PID) Process:	(3980) SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(3980) SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:
(PID) Process:	(3980) SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:	write	Name:	CachePrefix
Value: Visited:

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

No data

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

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
3980	SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	GET	200	185.215.113.103:80	http://185.215.113.103/	unknown	—	—	malicious
4652	svchost.exe	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
3980	SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	POST	200	185.215.113.103:80	http://185.215.113.103/e2b1563c6670f193.php	unknown	—	—	unknown
4048	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
1236	SIHClient.exe	GET	200	23.52.120.96:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
1236	SIHClient.exe	GET	200	23.52.120.96:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3888	svchost.exe	239.255.255.250:1900	—	—	—	unknown
4652	svchost.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	unknown
4	System	192.168.100.255:137	—	—	—	unknown
2120	MoUsoCoreWorker.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	unknown
4168	RUXIMICS.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	unknown
—	—	51.116.246.106:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	DE	unknown
4	System	192.168.100.255:138	—	—	—	unknown
3980	SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	185.215.113.103:80	—	1337team Limited	SC	unknown
4652	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4652	svchost.exe	23.35.229.160:80	www.microsoft.com	AKAMAI-AS	DE	unknown

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	20.73.194.208 4.231.128.59	unknown
google.com	142.250.186.46	unknown
www.microsoft.com	23.35.229.160 23.52.120.96	unknown
login.live.com	40.126.32.68 40.126.32.138 40.126.32.140 20.190.160.20 40.126.32.76 20.190.160.22 40.126.32.133 40.126.32.72	unknown
ocsp.digicert.com	192.229.221.95	unknown
browser.pipe.aria.microsoft.com	51.11.192.49	unknown
slscr.update.microsoft.com	20.12.23.50	unknown
fe3cr.delivery.mp.microsoft.com	20.3.187.198	unknown
nexusrules.officeapps.live.com	52.111.229.48	unknown

Threats

PID	Process	Class	Message
3980	SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	Misc Attack	ET DROP Spamhaus DROP Listed Traffic Inbound group 32
3980	SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	Malware Command and Control Activity Detected	STEALER [ANY.RUN] Stealc HTTP POST Request
3980	SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	Malware Command and Control Activity Detected	ET MALWARE [SEKOIA.IO] Win32/Stealc C2 Check-in

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Process	Message
SecuriteInfo.com.Win32.PWSX-gen.257.81.exe	%s------------------------------------------------ --- Themida Professional --- --- (c)2012 Oreans Technologies --- ------------------------------------------------

General Info

SecuriteInfo.com.Win32.PWSX-gen.257.81

93B11C94EC752489E28945D992B43084

ED07E5033511E4625AC7851F9E7C9677FAF34B2C

CEF6284988FA18E919D48E9EB9C920C6D1568D4DDCE19EEB5FD43E804AABE2E2

98304:FeLyRX8JJhjR2Ej0/cKTiPJbb0W7V2ti7SZ+yhJQNku8SQojUaAjLHl10mYOF4uC:PWOEH

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

StealC has been detected

Stealers network behavior

STEALC has been detected (SURICATA)

Connects to the CnC server

SUSPICIOUS

Reads the BIOS version

Windows Defender mutex has been found

Reads security settings of Internet Explorer

Contacting a server suspected of hosting an CnC

INFO

Checks supported languages

Reads the computer name

Sends debugging messages

Creates files or folders in the user directory

Checks proxy server information

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings