Malware analysis 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe Malicious activity

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File name:	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe
Full analysis:	https://app.any.run/tasks/0ffc87ff-79a5-4f76-81ad-64c66541fc04
Verdict:	Malicious activity
Threats:	Gunra ransomware, a financially motivated threat actor that emerged in April 2025, deploys double-extortion tactics to encrypt victims' data and threaten leaks of exfiltrated information, primarily targeting Windows and Linux systems across healthcare, manufacturing, and other sectors worldwide. Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying. Malware Trends Tracker >>>
Analysis date:	May 16, 2025, 20:01:41
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	auto gunra vohuk ransomware
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64, for MS Windows, 7 sections
MD5:	9A7C0ADEDC4C68760E49274700218507
SHA1:	77B294117CB818DF701F03DC8BE39ED9A361A038
SHA256:	854E5F77F788BBBE6E224195E115C749172CD12302AFCA370D4F9E3D53D005FD
SSDEEP:	3072:/syXlMtomrRwhZpvtSNp6iIDQJxaLH5O/g1YuD2u7J6Q1fQtiAtC:/rCYtSNpvILHEiYuDZQtDtC

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
- GUNRA has been found (auto)
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
- GUNRA has been detected (YARA)
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
- RANSOMWARE has been detected
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
- Vohuk note has been found
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
- Renames files like ransomware
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
- Writes a file to the Word startup folder
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
SUSPICIOUS
- Write to the desktop.ini file (may be used to cloak folders)
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
INFO
- Reads the computer name
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
- Checks supported languages
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
- Reads the machine GUID from the registry
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)
- Creates files or folders in the user directory
  - 854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe (PID: 7320)

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:	2025:04:10 11:27:24+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	14.21
CodeSize:	140288
InitializedDataSize:	62464
UninitializedDataSize:	-
EntryPoint:	0x1686c
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

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

7320

"C:\Users\admin\AppData\Local\Temp\854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe"

C:\Users\admin\AppData\Local\Temp\854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\appdata\local\temp\854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.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

7496

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

7528

"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

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Total events

286

Read events

286

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

1 241

Text files

1 041

Unknown types

Dropped files

PID	Process	Filename		Type
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\admin\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\admin\.ms-ad\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\admin\Pictures\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\admin\Documents\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\admin\Favorites\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\admin\Downloads\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\admin\Contacts\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\Public\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\admin\Saved Games\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916
7320	854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe	C:\Users\Default\Desktop\R3ADM3.txt		text
		MD5:540DD272606E5CA50C6DC0A6B6F8E387	SHA256:61E3718A9488CB86F9A3581CF4AE9563B4FC1D0F1C6BB814294EFF0655198916

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
—	—	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
—	—	GET	200	2.19.11.105:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
5496	MoUsoCoreWorker.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
5496	MoUsoCoreWorker.exe	GET	200	2.19.11.105:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
8068	SIHClient.exe	GET	200	23.219.150.101:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
8068	SIHClient.exe	GET	200	23.219.150.101:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
6544	svchost.exe	GET	200	2.23.77.188:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%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
2104	svchost.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
—	—	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
—	—	2.19.11.105:80	crl.microsoft.com	Elisa Oyj	NL	whitelisted
5496	MoUsoCoreWorker.exe	2.19.11.105:80	crl.microsoft.com	Elisa Oyj	NL	whitelisted
—	—	95.101.149.131:80	www.microsoft.com	Akamai International B.V.	NL	whitelisted
5496	MoUsoCoreWorker.exe	95.101.149.131:80	www.microsoft.com	Akamai International B.V.	NL	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
3216	svchost.exe	172.211.123.248:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6544	svchost.exe	40.126.31.1:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.124.78.146 51.104.136.2 40.127.240.158	whitelisted
crl.microsoft.com	2.19.11.105 2.19.11.120	whitelisted
google.com	172.217.16.206	whitelisted
www.microsoft.com	95.101.149.131 23.219.150.101	whitelisted
client.wns.windows.com	172.211.123.248	whitelisted
login.live.com	40.126.31.1 40.126.31.73 20.190.159.4 20.190.159.130 40.126.31.0 20.190.159.128 40.126.31.67 20.190.159.75	whitelisted
ocsp.digicert.com	2.23.77.188	whitelisted
slscr.update.microsoft.com	20.109.210.53	whitelisted
fe3cr.delivery.mp.microsoft.com	13.95.31.18	whitelisted

Threats

No threats detected

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No debug info

General Info

854e5f77f788bbbe6e224195e115c749172cd12302afca370d4f9e3d53d005fd.exe

9A7C0ADEDC4C68760E49274700218507

77B294117CB818DF701F03DC8BE39ED9A361A038

854E5F77F788BBBE6E224195E115C749172CD12302AFCA370D4F9E3D53D005FD

3072:/syXlMtomrRwhZpvtSNp6iIDQJxaLH5O/g1YuD2u7J6Q1fQtiAtC:/rCYtSNpvILHEiYuDZQtDtC

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

GUNRA has been found (auto)

GUNRA has been detected (YARA)

RANSOMWARE has been detected

Vohuk note has been found

Renames files like ransomware

Writes a file to the Word startup folder

SUSPICIOUS

Write to the desktop.ini file (may be used to cloak folders)

INFO

Reads the computer name

Checks supported languages

Reads the machine GUID from the registry

Creates files or folders in the user 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