Malware analysis b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f Malicious activity

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File name:	b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f
Full analysis:	https://app.any.run/tasks/1938f2c0-a76a-43ea-98de-2f0e8784d114
Verdict:	Malicious activity
Analysis date:	April 29, 2025, 16:40:55
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	tofsee
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:	4786DD15562C1C3C2A691ABB7ADF1A95
SHA1:	B0935A2A4D327D68F94CE9F7C1ACF44A01BA2A01
SHA256:	B6A860EF3ECDBB54537E706023D352C4BE2F0283F1EA7A2330002C387977A89F
SSDEEP:	24576:Lqd4rUhxxqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqb:Lqd4rUhj

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:: 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
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
- TOFSEE has been detected (YARA)
  - svchost.exe (PID: 7348)
SUSPICIOUS
- Executes application which crashes
  - b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe (PID: 7452)
  - eqpdoyga.exe (PID: 8156)
- Reads security settings of Internet Explorer
  - b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe (PID: 7452)
- Executable content was dropped or overwritten
  - b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe (PID: 7452)
- Detected use of alternative data streams (AltDS)
  - svchost.exe (PID: 7348)
- Connects to SMTP port
  - svchost.exe (PID: 7348)
INFO
- The sample compiled with chinese language support
  - b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe (PID: 7452)
- Reads the computer name
  - b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe (PID: 7452)
  - eqpdoyga.exe (PID: 8156)
- Create files in a temporary directory
  - b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe (PID: 7452)
- Checks supported languages
  - b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe (PID: 7452)
- Process checks computer location settings
  - b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe (PID: 7452)

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	\|	Win32 Executable (generic) (52.9)
.exe	\|	Generic Win/DOS Executable (23.5)
.exe	\|	DOS Executable Generic (23.5)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2019:07:12 21:33:03+00:00
ImageFileCharacteristics:	No relocs, Executable, 32-bit
PEType:	PE32
LinkerVersion:	9
CodeSize:	138240
InitializedDataSize:	49284096
UninitializedDataSize:	-
EntryPoint:	0x4f12
OSVersion:	5
ImageVersion:	-
SubsystemVersion:	5
Subsystem:	Windows GUI
FileVersionNumber:	1.0.0.1
ProductVersionNumber:	1.0.0.1
FileFlagsMask:	0x006f
FileFlags:	(none)
FileOS:	Unknown (0x40304)
ObjectFileType:	Static library
FileSubtype:	-
LanguageCode:	Chinese (Simplified)
CharacterSet:	Unknown (04B1)
FileV:	1.2.5
InternalName:	jututtyg.uda

No data.

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All screenshots are available in the full report

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Total processes

152

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2196

C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache

C:\Windows\System32\svchost.exe

services.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Host Process for Windows Services

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll

7348

svchost.exe

C:\Windows\SysWOW64\svchost.exe

eqpdoyga.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Host Process for Windows Services

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\svchost.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\ws2_32.dll

7376

C:\WINDOWS\SysWOW64\WerFault.exe -u -p 8156 -s 584

C:\Windows\SysWOW64\WerFault.exe

—

eqpdoyga.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

7452

"C:\Users\admin\AppData\Local\Temp\b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe"

C:\Users\admin\AppData\Local\Temp\b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\appdata\local\temp\b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.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

7580

C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7452 -s 616

C:\Windows\SysWOW64\WerFault.exe

—

b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.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

7632

C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7452 -s 824

C:\Windows\SysWOW64\WerFault.exe

—

b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.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

7684

C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7452 -s 900

C:\Windows\SysWOW64\WerFault.exe

—

b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.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

7756

C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7452 -s 952

C:\Windows\SysWOW64\WerFault.exe

—

b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.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

7804

C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7452 -s 944

C:\Windows\SysWOW64\WerFault.exe

—

b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.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

7824

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

3 272

Read events

3 272

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
7452	b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe	C:\Users\admin\AppData\Local\Temp\qoxyhdso.exe		executable
		MD5:B9AF9A0590955EACB872E4D48428C87D	SHA256:3A06E2A2BFE4F58101105FB9035B7C96D3F59628B32D01040D8A0EA7AD94533E
7452	b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f.exe	C:\Users\admin\eqpdoyga.exe		executable
		MD5:44385A6DCA2D88563B5A5BCA789EFCD6	SHA256:C64C329064AE7A40DE8E3BC684EF6A767F9722A25301DFBDF836FF643C72C7F0

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
5496	MoUsoCoreWorker.exe	GET	200	2.16.241.12:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
5496	MoUsoCoreWorker.exe	GET	200	2.23.246.101:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6544	svchost.exe	GET	200	2.23.77.188:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
5064	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
5064	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

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
—	—	192.168.100.255:137	—	—	—	whitelisted
—	—	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
5496	MoUsoCoreWorker.exe	2.16.241.12:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
5496	MoUsoCoreWorker.exe	2.23.246.101:80	www.microsoft.com	Ooredoo Q.S.C.	QA	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
7348	svchost.exe	13.107.246.59:80	microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted
7348	svchost.exe	52.101.40.0:25	microsoft-com.mail.protection.outlook.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted
3216	svchost.exe	172.211.123.250:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6544	svchost.exe	20.190.159.2:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
6544	svchost.exe	2.23.77.188:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted

DNS requests

Domain	IP	Reputation
google.com	142.250.181.238	whitelisted
settings-win.data.microsoft.com	51.104.136.2 4.231.128.59	whitelisted
crl.microsoft.com	2.16.241.12 2.16.241.19	whitelisted
www.microsoft.com	2.23.246.101 184.30.21.171	whitelisted
microsoft.com	13.107.246.59	whitelisted
microsoft-com.mail.protection.outlook.com	52.101.40.0 52.101.41.54 52.101.41.4 52.101.41.0	whitelisted
client.wns.windows.com	172.211.123.250	whitelisted
login.live.com	20.190.159.2 20.190.159.131 40.126.31.130 40.126.31.2 20.190.159.128 40.126.31.131 20.190.159.129 40.126.31.73	whitelisted
ocsp.digicert.com	2.23.77.188	whitelisted
yahoo.com	—	whitelisted

Threats

No threats detected

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No debug info

General Info

b6a860ef3ecdbb54537e706023d352c4be2f0283f1ea7a2330002c387977a89f

4786DD15562C1C3C2A691ABB7ADF1A95

B0935A2A4D327D68F94CE9F7C1ACF44A01BA2A01

B6A860EF3ECDBB54537E706023D352C4BE2F0283F1EA7A2330002C387977A89F

24576:Lqd4rUhxxqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqb:Lqd4rUhj

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

TOFSEE has been detected (YARA)

SUSPICIOUS

Executes application which crashes

Reads security settings of Internet Explorer

Executable content was dropped or overwritten

Detected use of alternative data streams (AltDS)

Connects to SMTP port

INFO

The sample compiled with chinese language support

Reads the computer name

Create files in a temporary directory

Checks supported languages

Process checks computer location settings

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

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