Malware analysis f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2 Malicious activity

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File name:	f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2
Full analysis:	https://app.any.run/tasks/190730f8-a2aa-473e-9e78-ff9d160d2eb9
Verdict:	Malicious activity
Analysis date:	January 11, 2025, 01:05:07
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	peristeronic upx autoit
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed, 3 sections
MD5:	29E38E8C57AEA7A49657E5960D12F3E9
SHA1:	F7D3A8409C04C762BAAB30D5EF54BECB38360C74
SHA256:	F57AC51331E5239F4CAE4E94CBEB985860A6304B5E4822E638E7122915D8A7A2
SSDEEP:	24576:YPP9zj8VMACXt+gR2xRc5AAMGibKza52WbN4pB0P7dP8wdODX8cs9GC92x6/5wpZ:YPP9zj8qACXQgCy6AMGibKza52WbN4p5

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:: 120 seconds
Heavy Evasion option:: off
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
Client LanguagePack Package
DotNetRollup
DotNetRollup 481
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
Hello Face Package
InternetExplorer Optional 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
MSPaint FoD Package
MSPaint FoD Package
MSPaint FoD Package
MSPaint FoD Package
MSPaint FoD Package
MediaPlayer Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
Notepad FoD Package
Notepad FoD Package
Notepad FoD Package
Notepad FoD Package
OpenSSH Client Package
OpenSSH Client Package
PowerShell ISE FOD Package
PowerShell ISE FOD Package
PowerShell ISE FOD Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing PMCPPC FoD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
Printing WFS FoD Package
Printing WFS FoD Package
Printing WFS FoD Package
ProfessionalEdition
ProfessionalEdition
QuickAssist Package
QuickAssist Package
RollupFix
RollupFix
ServicingStack
ServicingStack
ServicingStack 3989
StepsRecorder Package
StepsRecorder Package
StepsRecorder Package
StepsRecorder Package
StepsRecorder Package
TabletPCMath Package
TabletPCMath Package
UserExperience Desktop Package
UserExperience Desktop Package
WordPad FoD Package
WordPad FoD Package
WordPad FoD Package
WordPad FoD Package
WordPad FoD Package

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MALICIOUS
- PERISTERONIC INJECTOR has been detected
  - f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe (PID: 4188)
SUSPICIOUS
- Executes application which crashes
  - f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe (PID: 4188)
INFO
- Creates files or folders in the user directory
  - WerFault.exe (PID: 6440)
- Create files in a temporary directory
  - f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe (PID: 4188)
- Checks supported languages
  - f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe (PID: 4188)
- UPX packer has been detected
  - f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe (PID: 4188)
- Checks proxy server information
  - WerFault.exe (PID: 6440)
- Reads mouse settings
  - f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe (PID: 4188)
- The sample compiled with english language support
  - f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe (PID: 4188)
- The process uses AutoIt
  - f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe (PID: 4188)
- Reads the software policy settings
  - WerFault.exe (PID: 6440)

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

.exe	\|	UPX compressed Win32 Executable (43.5)
.exe	\|	Win32 EXE Yoda's Crypter (42.7)
.exe	\|	Win32 Executable (generic) (7.2)
.exe	\|	Generic Win/DOS Executable (3.2)
.exe	\|	DOS Executable Generic (3.2)

EXIF

EXE

CharacterSet:	Unicode
LanguageCode:	English (British)
FileSubtype:	-
ObjectFileType:	Executable application
FileOS:	Win32
FileFlags:	(none)
FileFlagsMask:	0x0000
ProductVersionNumber:	0.0.0.0
FileVersionNumber:	0.0.0.0
Subsystem:	Windows GUI
SubsystemVersion:	5.1
ImageVersion:	-
OSVersion:	5.1
EntryPoint:	0x147730
UninitializedDataSize:	958464
InitializedDataSize:	405504
CodeSize:	380928
LinkerVersion:	14.16
PEType:	PE32
ImageFileCharacteristics:	Executable, Large address aware, 32-bit
TimeStamp:	2024:12:22 23:37:36+00:00
MachineType:	Intel 386 or later, and compatibles

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

4188

"C:\Users\admin\AppData\Local\Temp\f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe"

C:\Users\admin\AppData\Local\Temp\f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

3221225477

Modules

Images
c:\users\admin\appdata\local\temp\f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.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\advapi32.dll

6220

"C:\Users\admin\AppData\Local\Temp\f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe"

C:\Windows\SysWOW64\svchost.exe

—

f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Host Process for Windows Services

Version:

10.0.19041.1 (WinBuild.160101.0800)

6440

C:\WINDOWS\SysWOW64\WerFault.exe -u -p 4188 -s 768

C:\Windows\SysWOW64\WerFault.exe

f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Problem Reporting

Exit code:

Version:

10.0.19041.3996 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\werfault.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\msvcrt.dll
c:\windows\syswow64\combase.dll

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Total events

3 096

Read events

3 096

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6440	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_f57ac51331e5239f_524fe086a870f967c84b58b3b1b83f50c55520a_56532320_e1833660-865b-44fc-818b-747184528d24\Report.wer		—
		MD5:—	SHA256:—
6440	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE		binary
		MD5:F56A87DC1DE3F996D5242B6E81E1F107	SHA256:4FEF0D4099615743950F8383F177711A1A9E21395BED766CD81D3C8034DD1AD1
4188	f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe	C:\Users\admin\AppData\Local\Temp\aut5392.tmp		binary
		MD5:0C009CF6995A0D73E229F99392E26E1A	SHA256:6A6A6106D10B416345D1FB47247525C1629B96058BED1AE8F0ECC794C0A04176
6440	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WER5BDF.tmp.dmp		binary
		MD5:696E1D597C2CB7FCC80DA4091EA4D49B	SHA256:8DB8325F30DB536BB74E890495F9537F9C6F6A244506E34A79473BF07F3E922D
4188	f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2.exe	C:\Users\admin\AppData\Local\Temp\peristeronic		text
		MD5:AF62F55AA12474714A69B10BC3F9D6E1	SHA256:3D3BA901EB95C09426F85968A6B86914DD8BE33904121B36F752A6E08044DC55
6440	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\21253908F3CB05D51B1C2DA8B681A785		binary
		MD5:5A62921EB687813806716EF83766E618	SHA256:9651E0C5373D6A61D323F8FDFAF81C57981B89AB6709F71B092A80E267DEAD3B
6440	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\21253908F3CB05D51B1C2DA8B681A785		der
		MD5:F6F53CD09A41E968C363419B279D3112	SHA256:6D2BB01CC7A9BADE2113B219CAC1BDA86B2733196B7E1BD0C807CE1E396B1892
6440	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE		binary
		MD5:FA84E4BCC92AA5DB735AB50711040CDE	SHA256:6D7205E794FDE4219A62D9692ECDDF612663A5CF20399E79BE87B851FCA4CA33
6440	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WER5D28.tmp.WERInternalMetadata.xml		xml
		MD5:3739E69C3842FFEA1510DCA6B7BC52FE	SHA256:5CFFFD12F1E2C9661AA3DF3B8EDCB8A6E1E2EC5AB7E46CE858C23DA00076FF9A
6440	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WER5D67.tmp.xml		xml
		MD5:3DF4826B434B1223F39A0D5008978B5C	SHA256:8BC70C0502839197F35E05E65ADCF20A933D9685187E0438E49879FB1686F1FC

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
5064	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
1176	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
2356	svchost.exe	GET	200	23.48.23.143:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
4712	MoUsoCoreWorker.exe	GET	200	23.48.23.143:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
2356	svchost.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
4712	MoUsoCoreWorker.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6440	WerFault.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6440	WerFault.exe	GET	200	23.48.23.143:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
7076	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
7076	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.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
—	—	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
4712	MoUsoCoreWorker.exe	23.48.23.143:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
2356	svchost.exe	23.48.23.143:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
4712	MoUsoCoreWorker.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
2356	svchost.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
5064	SearchApp.exe	104.126.37.145:443	www.bing.com	Akamai International B.V.	DE	whitelisted
1176	svchost.exe	20.190.160.20:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
1176	svchost.exe	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	4.231.128.59 40.127.240.158	whitelisted
crl.microsoft.com	23.48.23.143 23.48.23.156	whitelisted
www.microsoft.com	184.30.21.171	whitelisted
google.com	142.250.186.78	whitelisted
www.bing.com	104.126.37.145 104.126.37.131	whitelisted
login.live.com	20.190.160.20 40.126.32.134 40.126.32.133 40.126.32.72 40.126.32.136 40.126.32.74 40.126.32.138 40.126.32.76	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
go.microsoft.com	23.35.238.131	whitelisted
watson.events.data.microsoft.com	20.42.73.29	whitelisted
arc.msn.com	20.223.35.26	whitelisted

Threats

No threats detected

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No debug info

General Info

f57ac51331e5239f4cae4e94cbeb985860a6304b5e4822e638e7122915d8a7a2

29E38E8C57AEA7A49657E5960D12F3E9

F7D3A8409C04C762BAAB30D5EF54BECB38360C74

F57AC51331E5239F4CAE4E94CBEB985860A6304B5E4822E638E7122915D8A7A2

24576:YPP9zj8VMACXt+gR2xRc5AAMGibKza52WbN4pB0P7dP8wdODX8cs9GC92x6/5wpZ:YPP9zj8qACXQgCy6AMGibKza52WbN4p5

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

PERISTERONIC INJECTOR has been detected

SUSPICIOUS

Executes application which crashes

INFO

Creates files or folders in the user directory

Create files in a temporary directory

Checks supported languages

UPX packer has been detected

Checks proxy server information

Reads mouse settings

The sample compiled with english language support

The process uses AutoIt

Reads the software policy settings

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings