Malware analysis b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe Malicious activity

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File name:	b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe
Full analysis:	https://app.any.run/tasks/61a27bb5-3327-4762-b8dc-c30e4e48c0b9
Verdict:	Malicious activity
Analysis date:	July 10, 2024, 12:04:54
OS:	Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME:	application/x-dosexec
File info:	PE32+ executable (GUI) x86-64, for MS Windows
MD5:	2A46814F73C0EE996868DF06146B5BE4
SHA1:	3F17E2B4D1876A54A5E91B7601F2AFCC4479925F
SHA256:	B38322B2A1B73A0F2F1486FF04D8B7DB1F5193E804897C16DE83E4BE7EDDC647
SSDEEP:	12288:ufrfX38ym7TBgztfa2Rh+JuS9UsRIfuF1pmqEb:ufrfX38ymyHKuSD1pX

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 (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
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
- Drops the executable file immediately after the start
  - b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe (PID: 700)
  - ieinstal.exe (PID: 6328)
SUSPICIOUS
- Reads security settings of Internet Explorer
  - ieinstal.exe (PID: 6328)
- Process drops legitimate windows executable
  - ieinstal.exe (PID: 6328)
  - b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe (PID: 700)
  - dllhost.exe (PID: 3232)
- Checks Windows Trust Settings
  - ieinstal.exe (PID: 6328)
- Executable content was dropped or overwritten
  - ieinstal.exe (PID: 6328)
  - b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe (PID: 700)
  - dllhost.exe (PID: 3232)
INFO
- Checks supported languages
  - b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe (PID: 700)
  - ieinstal.exe (PID: 6328)
- Reads the machine GUID from the registry
  - b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe (PID: 700)
  - ieinstal.exe (PID: 6328)
- Reads the computer name
  - ieinstal.exe (PID: 6328)
  - b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe (PID: 700)
- Process checks whether UAC notifications are on
  - ieinstal.exe (PID: 6328)
- Checks proxy server information
  - ieinstal.exe (PID: 6328)
- Create files in a temporary directory
  - ieinstal.exe (PID: 6328)
  - b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe (PID: 700)
- Reads the software policy settings
  - ieinstal.exe (PID: 6328)
- Creates files or folders in the user directory
  - ieinstal.exe (PID: 6328)
- Checks transactions between databases Windows and Oracle
  - b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe (PID: 700)
- Reads security settings of Internet Explorer
  - dllhost.exe (PID: 3232)
- Drops the executable file immediately after the start
  - dllhost.exe (PID: 3232)

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	\|	Win64 Executable (generic) (87.3)
.exe	\|	Generic Win/DOS Executable (6.3)
.exe	\|	DOS Executable Generic (6.3)

EXIF

EXE

MachineType:	AMD AMD64
TimeStamp:	2023:07:04 08:47:31+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	14.35
CodeSize:	178688
InitializedDataSize:	107008
UninitializedDataSize:	-
EntryPoint:	0xa570
OSVersion:	6
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows GUI

No data.

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All screenshots are available in the full report

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Total processes

138

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

700

"C:\Users\admin\AppData\Local\Temp\b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe"

C:\Users\admin\AppData\Local\Temp\b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll

3232

C:\WINDOWS\system32\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}

C:\Windows\System32\dllhost.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

COM Surrogate

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\dllhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\bcryptprimitives.dll

6328

"C:\Program Files\Internet Explorer\IEInstal.exe" -Embedding

C:\Program Files\Internet Explorer\ieinstal.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Internet Explorer Add-on Installer

Exit code:

2147942402

Version:

11.00.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\program files\internet explorer\ieinstal.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

10 534

Read events

10 525

Write events

Delete events

Modification events


(PID) Process:	(6328) ieinstal.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Main
Operation:	write	Name:	OperationalData
Value: 0D02000000000000
(PID) Process:	(6328) ieinstal.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	ProxyBypass
Value: 1
(PID) Process:	(6328) ieinstal.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	IntranetName
Value: 1
(PID) Process:	(6328) ieinstal.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 1
(PID) Process:	(6328) ieinstal.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 0

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6328	ieinstal.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\A583E2A51BFBDC1E492A57B7C8325850		der
		MD5:3582D5284FE8B34513E337C07AE9B8F8	SHA256:686C5D8F56C9BC20D444B6F3A32D78C249B94F10080F1B595CC8F856A62B65A6
6328	ieinstal.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\2CD1F910DD5DC23C234E99A91DE345C0		der
		MD5:6B769DB3020C81D2E526159023B9859E	SHA256:1E929D06F06A034171AB4F6C015C97C8927E5FB43C6DA2FDE645AD16CAE7CDEF
6328	ieinstal.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\2CD1F910DD5DC23C234E99A91DE345C0		binary
		MD5:7C042969706D603F8039D7AD5BF11550	SHA256:BC02DD189495B1865A7D8E5E002C4DB8AC68FF527CE4FEF92368179F88D02EBA
6328	ieinstal.exe	C:\Users\admin\AppData\Local\Temp\IDC1.tmp\[1]bdeunlock.exe		executable
		MD5:A7260013FC76F6F5908346DF1BC7966B	SHA256:58D896F7E78FA65345583479321F00CA14B0AE4B1AA3179DE86C3F0BCFDDBFEE
700	b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe	C:\Users\admin\AppData\Local\Temp\[1]bdeunlock.exe		executable
		MD5:CB6CD09F6A25744A8FA6E4B3E4D260C5	SHA256:265B69033CEA7A9F8214A34CD9B17912909AF46C7A47395DD7BB893A24507E59
3232	dllhost.exe	C:\Users\admin\AppData\Local\Temp\IDC1.tmp\[1]bdeunlock.exe		executable
		MD5:CB6CD09F6A25744A8FA6E4B3E4D260C5	SHA256:265B69033CEA7A9F8214A34CD9B17912909AF46C7A47395DD7BB893A24507E59
6328	ieinstal.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A583E2A51BFBDC1E492A57B7C8325850		binary
		MD5:D46F172E963492ADF53BA83EAE4FEB6F	SHA256:945245F729D8159311F5521665E3B8F26C449A8801D6D464C5EDA7E7EEECCF87
6328	ieinstal.exe	C:\Users\admin\AppData\Local\Temp\17efb6a4-9079-40ad-86d6-2a3194eba00f\bdeunlock.exe.dat		executable
		MD5:A7260013FC76F6F5908346DF1BC7966B	SHA256:58D896F7E78FA65345583479321F00CA14B0AE4B1AA3179DE86C3F0BCFDDBFEE

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
2056	MoUsoCoreWorker.exe	GET	200	2.16.164.120:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	unknown
2056	MoUsoCoreWorker.exe	GET	200	88.221.169.152:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	unknown
4656	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	unknown
6328	ieinstal.exe	GET	200	2.16.164.120:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl	unknown	—	—	unknown
6328	ieinstal.exe	GET	200	88.221.169.152:80	http://www.microsoft.com/pkiops/crl/MicWinProPCA2011_2011-10-19.crl	unknown	—	—	unknown
6064	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	unknown
6184	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	unknown
6268	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	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
1776	RUXIMICS.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
4032	svchost.exe	239.255.255.250:1900	—	—	—	whitelisted
—	—	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
2056	MoUsoCoreWorker.exe	2.16.164.120:80	crl.microsoft.com	Akamai International B.V.	NL	unknown
2056	MoUsoCoreWorker.exe	88.221.169.152:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
1928	svchost.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4656	SearchApp.exe	2.23.209.143:443	www.bing.com	Akamai International B.V.	GB	unknown
6064	svchost.exe	40.126.32.140:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	unknown
4656	SearchApp.exe	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted

DNS requests

Domain	IP	Reputation
crl.microsoft.com	2.16.164.120 2.16.164.106 2.16.164.97	whitelisted
www.microsoft.com	88.221.169.152	whitelisted
google.com	142.250.185.142	whitelisted
www.bing.com	2.23.209.143 2.23.209.150 2.23.209.158 2.23.209.154 2.23.209.142 2.23.209.156 2.23.209.141 2.23.209.130 2.23.209.149	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
login.live.com	40.126.32.140 40.126.32.134 20.190.160.22 40.126.32.133 40.126.32.138 40.126.32.68 20.190.160.20 40.126.32.76	whitelisted
go.microsoft.com	184.28.89.167	whitelisted
nexusrules.officeapps.live.com	52.111.227.14	whitelisted
arc.msn.com	20.223.35.26	whitelisted
slscr.update.microsoft.com	52.165.165.26	whitelisted

Threats

No threats detected

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No debug info

General Info

b38322b2a1b73a0f2f1486ff04d8b7db1f5193e804897c16de83e4be7eddc647.exe

2A46814F73C0EE996868DF06146B5BE4

3F17E2B4D1876A54A5E91B7601F2AFCC4479925F

B38322B2A1B73A0F2F1486FF04D8B7DB1F5193E804897C16DE83E4BE7EDDC647

12288:ufrfX38ym7TBgztfa2Rh+JuS9UsRIfuF1pmqEb:ufrfX38ymyHKuSD1pX

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Drops the executable file immediately after the start

SUSPICIOUS

Reads security settings of Internet Explorer

Process drops legitimate windows executable

Checks Windows Trust Settings

Executable content was dropped or overwritten

INFO

Checks supported languages

Reads the machine GUID from the registry

Reads the computer name

Process checks whether UAC notifications are on

Checks proxy server information

Create files in a temporary directory

Reads the software policy settings

Creates files or folders in the user directory

Checks transactions between databases Windows and Oracle

Reads security settings of Internet Explorer

Drops the executable file immediately after the start

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