Malware analysis MailFilter-Control.zip Malicious activity

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File name:	MailFilter-Control.zip
Full analysis:	https://app.any.run/tasks/c4242243-edfc-4f27-be4f-500b8cab6f3f
Verdict:	Malicious activity
Analysis date:	October 18, 2024, 18:50:10
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	arch-exec arch-doc websocket
Indicators:
MIME:	application/zip
File info:	Zip archive data, at least v2.0 to extract, compression method=deflate
MD5:	7FF80E988123EBD341A92D4A1D93958A
SHA1:	95269103C1BF99FBECD60BB0176D23264FB8ABF0
SHA256:	9D808E30035D2163C38D0364F226CEDAC679371F33272A4E874C063CF5D95E42
SSDEEP:	49152:45eljDb1YfVE1DQg4Tis9ZtTh1F1ULPI1LVNdPunbmDDyHHpBebLiCfx++ncN3l+:4yjNYfVEBQg4TiCD17UD8VP6BAVp+ic2

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:
Network geolocation:: off
Additional time used:: 60 seconds
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
- Generic archive extractor
  - WinRAR.exe (PID: 5196)
SUSPICIOUS
- Process drops legitimate windows executable
  - WinRAR.exe (PID: 5196)
- Connects to the server without a host name
  - identity_helper.exe (PID: 6956)
- Starts a Microsoft application from unusual location
  - identity_helper.exe (PID: 6956)
INFO
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 5196)
- Manual execution by a user
  - powershell.exe (PID: 3396)

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

.zip	\|	ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	-
ZipCompression:	Deflated
ZipModifyDate:	2024:10:15 14:15:10
ZipCRC:	0x510b2dd7
ZipCompressedSize:	478221
ZipUncompressedSize:	1060392
ZipFileName:	MailFilter-Control/identity_helper.exe

No data.

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All screenshots are available in the full report

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Total processes

136

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1764

C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Windows\System32\rundll32.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows host process (Rundll32)

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll

3396

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows PowerShell

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

4448

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

4808

"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

4956

\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1

C:\Windows\System32\conhost.exe

—

powershell.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Console Window Host

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

5196

"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\MailFilter-Control.zip

C:\Program Files\WinRAR\WinRAR.exe

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Version:

5.91.0

Modules

Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\ucrtbase.dll

6956

"C:\users\admin\Desktop\MailFilter-Control\identity_helper.exe"

C:\Users\admin\Desktop\MailFilter-Control\identity_helper.exe

powershell.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

PWA Identity Proxy Host

Version:

128.0.2739.79

Modules

Images
c:\users\admin\desktop\mailfilter-control\identity_helper.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

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Total events

8 408

Read events

8 402

Write events

Delete events

Modification events


(PID) Process:	(5196) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	1
Value: C:\Users\admin\Desktop\GoogleChromeEnterpriseBundle64.zip
(PID) Process:	(5196) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\MailFilter-Control.zip
(PID) Process:	(5196) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(5196) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(5196) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(5196) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
5196	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa5196.23038\MailFilter-Control\identity_helper.exe		executable
		MD5:4829E5C52745240EA6E1365CF8B32AFC	SHA256:F42C4484DBCB3268A03CE58BECD31BCABDCF387A7C37D457D52FCCA1EB46D2C7
5196	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa5196.23038\MailFilter-Control\msedge_elf.dll		executable
		MD5:5615F97782D31B36D2168A97341A45AF	SHA256:1D0CF694118C127A0FB9B1DE6521417D41FC35EA73B62B9C75BA7C30DD5FB8F8
3396	powershell.exe	C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_ehokz5oq.my0.psm1		text
		MD5:D17FE0A3F47BE24A6453E9EF58C94641	SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
3396	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms~RF917b2.TMP		binary
		MD5:D040F64E9E7A2BB91ABCA5613424598E	SHA256:D04E0A6940609BD6F3B561B0F6027F5CA4E8C5CF0FB0D0874B380A0374A8D670
3396	powershell.exe	C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_fp4jl1gx.mo0.ps1		text
		MD5:D17FE0A3F47BE24A6453E9EF58C94641	SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
3396	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\XP2ATKXUETGCAMWXZIJF.temp		binary
		MD5:5E50C3925951C4F15BE47E22065D2436	SHA256:83C917D9D41DD7BC7E58E4F49111D2A222D4626CFF4D2A0752757CCBE77E4E0C
3396	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms		binary
		MD5:5E50C3925951C4F15BE47E22065D2436	SHA256:83C917D9D41DD7BC7E58E4F49111D2A222D4626CFF4D2A0752757CCBE77E4E0C
3396	powershell.exe	C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_hfaprop5.lvd.ps1		text
		MD5:D17FE0A3F47BE24A6453E9EF58C94641	SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
3396	powershell.exe	C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_ikwd14f3.2x0.psm1		text
		MD5:D17FE0A3F47BE24A6453E9EF58C94641	SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
3396	powershell.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadline\ConsoleHost_history.txt		text
		MD5:91A95E53F97A4D852ED7B75664F851EA	SHA256:0468803CFCDCE804FC8C4E7EA1F32687BB25E92C963D8B63A2C7B3E19B22AC00

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
5488	MoUsoCoreWorker.exe	GET	200	23.53.40.170:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
3788	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
5488	MoUsoCoreWorker.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
4360	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
7112	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted
2184	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
2184	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
6956	identity_helper.exe	GET	101	23.133.88.93:80	http://23.133.88.93/ws	unknown	—	—	unknown

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
—	—	184.86.251.9:443	www.bing.com	Akamai International B.V.	DE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
6944	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1744	RUXIMICS.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
5488	MoUsoCoreWorker.exe	23.53.40.170:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
5488	MoUsoCoreWorker.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
4020	svchost.exe	239.255.255.250:1900	—	—	—	whitelisted
816	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
www.bing.com	184.86.251.9 184.86.251.8 184.86.251.19 184.86.251.4 184.86.251.18 184.86.251.14 184.86.251.7 184.86.251.29 184.86.251.13	whitelisted
settings-win.data.microsoft.com	4.231.128.59	whitelisted
crl.microsoft.com	23.53.40.170 23.53.40.202 23.53.40.178	whitelisted
google.com	142.250.186.110	whitelisted
www.microsoft.com	184.30.21.171	whitelisted
login.live.com	40.126.32.76 20.190.160.20 40.126.32.138 40.126.32.136 20.190.160.14 40.126.32.68 40.126.32.133 40.126.32.140	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
th.bing.com	184.86.251.13 184.86.251.18 184.86.251.19 184.86.251.27 184.86.251.22 184.86.251.25 184.86.251.21 184.86.251.24 184.86.251.14	whitelisted
go.microsoft.com	23.213.166.81	whitelisted
client.wns.windows.com	40.113.110.67	whitelisted

Threats

PID	Process	Class	Message
6956	identity_helper.exe	Not Suspicious Traffic	INFO [ANY.RUN] Websocket Upgrade Request

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No debug info

General Info

MailFilter-Control.zip

7FF80E988123EBD341A92D4A1D93958A

95269103C1BF99FBECD60BB0176D23264FB8ABF0

9D808E30035D2163C38D0364F226CEDAC679371F33272A4E874C063CF5D95E42

49152:45eljDb1YfVE1DQg4Tis9ZtTh1F1ULPI1LVNdPunbmDDyHHpBebLiCfx++ncN3l+:4yjNYfVEBQg4TiCD17UD8VP6BAVp+ic2

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Generic archive extractor

SUSPICIOUS

Process drops legitimate windows executable

Connects to the server without a host name

Starts a Microsoft application from unusual location

INFO

Executable content was dropped or overwritten

Manual execution by a user

Malware configuration

Static information

TRiD

EXIF

ZIP

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

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