Malware analysis z88driver.exe Malicious activity | ANY.RUN

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File name:	z88driver.exe
Full analysis:	https://app.any.run/tasks/942e3f18-1e2f-45bd-b87f-290913db432e
Verdict:	Malicious activity
Analysis date:	October 29, 2024, 12:04:26
OS:	Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME:	application/zip
File info:	Zip archive, with extra data prepended
MD5:	BBCEEAA18D69FFB9F5508E5B56E85372
SHA1:	D0F5B1F275073276CACD48C2CBF8B4F5FFC7E2DB
SHA256:	9EF91FAED7D619765600700C0C7C8F00C097581DCA42863C810DE7ECBC2AA6FC
SSDEEP:	98304:sMqKttyB49B0f/YtP0OLJW0Jh1BYfUFj1p9noWaNHtvFpZkQKXIOL/wtDLAB34fZ:2Q1QZ

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:: 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
No malicious indicators.
SUSPICIOUS
- Executable content was dropped or overwritten
  - z88driver.exe (PID: 4904)
- Process drops legitimate windows executable
  - z88driver.exe (PID: 4904)
- Drops a system driver (possible attempt to evade defenses)
  - z88driver.exe (PID: 4904)
- Starts a Microsoft application from unusual location
  - dpinst-amd64.exe (PID: 6372)
INFO
- Checks supported languages
  - z88driver.exe (PID: 4904)
  - dp-chooser.exe (PID: 1576)
- Reads the computer name
  - z88driver.exe (PID: 4904)
  - dp-chooser.exe (PID: 1576)
- Create files in a temporary directory
  - z88driver.exe (PID: 4904)

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 (33)
.exe	\|	Win32 EXE Yoda's Crypter (32.4)
.scr	\|	Windows screen saver (16)
.dll	\|	Win32 Dynamic Link Library (generic) (8)
.exe	\|	Win32 Executable (generic) (5.5)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2001:03:20 06:35:57+00:00
ImageFileCharacteristics:	No relocs, Executable, No line numbers, No symbols, Aggressive working-set trim, 32-bit
PEType:	PE32
LinkerVersion:	6
CodeSize:	24576
InitializedDataSize:	4096
UninitializedDataSize:	77824
EntryPoint:	0x19200
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI

No data.

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All screenshots are available in the full report

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Total processes

130

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1576

dp-chooser.exe

C:\Users\admin\AppData\Local\Temp\CDM20830\dp-chooser.exe

—

z88driver.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\cdm20830\dp-chooser.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

4904

"C:\Users\admin\AppData\Local\Temp\z88driver.exe"

C:\Users\admin\AppData\Local\Temp\z88driver.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\z88driver.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

6372

C:\Users\admin\AppData\Local\Temp\CDM20830\dpinst-amd64

C:\Users\admin\AppData\Local\Temp\CDM20830\dpinst-amd64.exe

—

dp-chooser.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Driver Package Installer

Exit code:

3221226540

Version:

2.1

Modules

Images
c:\users\admin\appdata\local\temp\cdm20830\dpinst-amd64.exe
c:\windows\system32\ntdll.dll

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Total events

Read events

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
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\CDM20830\amd64\ftcserco.dll		executable
		MD5:84A0DD31EDA61CF8B03F0909F1064C49	SHA256:CD971E1EE2C0AB6EB8DE96E258618AA3DA6F8845B989DDF6CEBB2BAE216C8A02
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\CDM20830\amd64\ftd2xx64.dll		executable
		MD5:6A1E17FE76A97559E0B9468AFF6925D2	SHA256:FB993526425134B83964DDB45A2266AACFB2B5B85F83D856BA8D56D9F53F84AA
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\CDM20830\amd64\ftd2xx.lib		binary
		MD5:5E8C222D7CC7D38CAB7FC257D02D0EAF	SHA256:16338B59CBCCB6305E62809248D3F0782EDAC14D76DFEA0891D03BD2952EEA09
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\FEB501.tmp		text
		MD5:3102AA37E23F4B79C68DE9B480B661E6	SHA256:3069489DF7A522B32F637E74B2D34682FABBEF0A75796E902D0A1E5E2A856E10
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\CDM20830\i386\ftbusui.dll		executable
		MD5:DB550EBE6B18CE0EA0ACABC420E3D8D6	SHA256:0A2D3DFEF80609DBCDC887014182D4D6698D111A98BAB873A1BE0FC2E4EDAE00
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\CDM20830\amd64\ftser2k.sys		executable
		MD5:A19D6F0356DBABB94293894B84C27D27	SHA256:93B4E3314302F6F1524E776EF0FBF29221D10B642E3BA649D6E68FFAB2B7B16B
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\CDM20830\amd64\ftserui2.dll		executable
		MD5:BB420F33F2AF1E3CD0A64FC3CAB080B4	SHA256:618382E67F2736AC1449195CB442F4BB8CD6AF4361DF0523719C65291A031579
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\CDM20830\amd64\ftlang.dll		executable
		MD5:0B17B700B17DDC80F539267D989542B5	SHA256:C4DD55A3E9CD173ACE302E2240CCF8DD5DD0DD493B256C2EE708244469950644
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\CDM20830\amd64\ftbusui.dll		executable
		MD5:DD60226D8B1A3B35A09E3A8C9E5C40EA	SHA256:947DC457B62378E10908D28DD9B05F2F587F4B13B523D4B3CD8D3C6B2758454A
4904	z88driver.exe	C:\Users\admin\AppData\Local\Temp\CDM20830\amd64\ftdibus.sys		executable
		MD5:340BA7CABB1F314E3650A7EF59F0A371	SHA256:B3B11FCC0C8AFD668CA6ED180B632C3983BD66026DAAEC150A23C83C9A0A6DCE

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	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
5488	MoUsoCoreWorker.exe	GET	200	23.53.40.176:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
1552	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
1752	SIHClient.exe	GET	200	88.221.169.152:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
1752	SIHClient.exe	GET	200	88.221.169.152:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
7104	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	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
—	—	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
5488	MoUsoCoreWorker.exe	23.53.40.176:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
5488	MoUsoCoreWorker.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4360	SearchApp.exe	184.86.251.21:443	www.bing.com	Akamai International B.V.	DE	whitelisted
—	—	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted
6944	svchost.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4020	svchost.exe	239.255.255.250:1900	—	—	—	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
1552	svchost.exe	40.126.31.69:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
crl.microsoft.com	23.53.40.176 23.53.41.90	whitelisted
www.microsoft.com	184.30.21.171 88.221.169.152	whitelisted
google.com	142.250.184.206	whitelisted
www.bing.com	184.86.251.21 184.86.251.23 184.86.251.19 184.86.251.22 184.86.251.26 184.86.251.25 184.86.251.29 184.86.251.27 184.86.251.24	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
login.live.com	40.126.31.69 40.126.31.67 20.190.159.71 20.190.159.0 40.126.31.71 40.126.31.73 20.190.159.73 20.190.159.68	whitelisted
th.bing.com	184.86.251.24 184.86.251.21 184.86.251.23 184.86.251.19 184.86.251.22 184.86.251.26 184.86.251.25 184.86.251.29 184.86.251.27	whitelisted
go.microsoft.com	23.218.210.69	whitelisted
settings-win.data.microsoft.com	40.127.240.158	whitelisted
slscr.update.microsoft.com	52.149.20.212 20.109.210.53	whitelisted

Threats

No threats detected

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No debug info

General Info

z88driver.exe

BBCEEAA18D69FFB9F5508E5B56E85372

D0F5B1F275073276CACD48C2CBF8B4F5FFC7E2DB

9EF91FAED7D619765600700C0C7C8F00C097581DCA42863C810DE7ECBC2AA6FC

98304:sMqKttyB49B0f/YtP0OLJW0Jh1BYfUFj1p9noWaNHtvFpZkQKXIOL/wtDLAB34fZ:2Q1QZ

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Executable content was dropped or overwritten

Process drops legitimate windows executable

Drops a system driver (possible attempt to evade defenses)

Starts a Microsoft application from unusual location

INFO

Checks supported languages

Reads the computer name

Create files in a temporary directory

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