File name:	2025-03-25_93eae545645ea5cd5a1b5a75a4d6f76b_cobalt-strike_ryuk
Full analysis:	https://app.any.run/tasks/b68590aa-2634-4a8b-9824-1a5760952852
Verdict:	Malicious activity
Threats:	Stealc is a stealer malware that targets victims’ sensitive data, which it exfiltrates from browsers, messaging apps, and other software. The malware is equipped with advanced features, including fingerprinting, control panel, evasion mechanisms, string obfuscation, etc. Stealc establishes persistence and communicates with its C2 server through HTTP POST requests. Stealc ist eine Stealer-Malware, die es auf die sensiblen Daten der Opfer abgesehen hat, die sie aus Browsern, Messaging-Apps und anderer Software exfiltriert. Die Malware ist mit fortschrittlichen Funktionen ausgestattet, darunter Fingerprinting, Bedienfeld, Umgehungsmechanismen, String-Verschleierung usw. Stealc stellt eine Persistenz her und kommuniziert mit seinem C2-Server über HTTP-POST-Anfragen. Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns. Vidar is a dangerous malware that steals information and cryptocurrency from infected users. It derives its name from the ancient Scandinavian god of Vengeance. This stealer has been terrorizing the internet since 2018. Malware Trends Tracker >>>
Analysis date:	March 25, 2025, 05:05:39
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	telegram stealer stealc vidar
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (console) x86-64, for MS Windows, 9 sections
MD5:	93EAE545645EA5CD5A1B5A75A4D6F76B
SHA1:	641DDA4F775501989A31BE2CEE82AAD03BACF175
SHA256:	789D65061BC575FCD430284D7EC037C9E11DBCC12F3A9E5F3F97845F40B3666E
SSDEEP:	12288:nJY5BwtV9PRlnANt9jiO/1n4WcyloVDNChbgx8na/eB:JY5BwtV9P7g9uyN4tcoDChbgx8a2

.exe	\|	Generic Win/DOS Executable (50)
.exe	\|	DOS Executable Generic (49.9)

MachineType:	AMD AMD64
TimeStamp:	2025:03:21 15:24:47+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	14
CodeSize:	770048
InitializedDataSize:	54784
UninitializedDataSize:	-
EntryPoint:	0xad80c
OSVersion:	6
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows command line


(PID) Process:	(7760) MSBuild.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(7760) MSBuild.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:
(PID) Process:	(7760) MSBuild.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:	write	Name:	CachePrefix
Value: Visited:
(PID) Process:	(8000) chrome.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Google\Chrome\BLBeacon
Operation:	write	Name:	state
Value: 1
(PID) Process:	(8000) chrome.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Google\Chrome\BLBeacon
Operation:	write	Name:	failed_count
Value: 0
(PID) Process:	(8000) chrome.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Google\Chrome\BLBeacon
Operation:	write	Name:	state
Value: 2
(PID) Process:	(8000) chrome.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96}
Operation:	write	Name:	usagestats
Value: 0
(PID) Process:	(8000) chrome.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Google\Chrome\StabilityMetrics
Operation:	write	Name:	user_experience_metrics.stability.exited_cleanly
Value: 0
(PID) Process:	(6480) msedge.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon
Operation:	write	Name:	failed_count
Value: 0
(PID) Process:	(6480) msedge.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon
Operation:	write	Name:	state
Value: 2

PID	Process	Filename		Type
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old~RF110126.TMP		—
		MD5:—	SHA256:—
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old		—
		MD5:—	SHA256:—
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\discounts_db\LOG.old~RF110126.TMP		—
		MD5:—	SHA256:—
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\parcel_tracking_db\LOG.old~RF110126.TMP		—
		MD5:—	SHA256:—
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\discounts_db\LOG.old		—
		MD5:—	SHA256:—
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\parcel_tracking_db\LOG.old		—
		MD5:—	SHA256:—
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\chrome_cart_db\LOG.old~RF110126.TMP		—
		MD5:—	SHA256:—
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\chrome_cart_db\LOG.old		—
		MD5:—	SHA256:—
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\coupon_db\LOG.old~RF110135.TMP		—
		MD5:—	SHA256:—
8000	chrome.exe	C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\coupon_db\LOG.old		—
		MD5:—	SHA256:—

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
—	—	GET	200	167.235.59.196:443	https://h.p.formaxprime.co.uk/	unknown	—	—	—
2104	svchost.exe	GET	200	23.216.77.6:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	304	142.250.186.35:443	https://www.gstatic.com/images/branding/googlelogo/svg/googlelogo_clr_74x24px.svg	unknown	—	—	—
—	—	OPTIONS	200	142.250.186.138:443	https://ogads-pa.googleapis.com/$rpc/google.internal.onegoogle.asyncdata.v1.AsyncDataService/GetAsyncData	unknown	—	—	—
—	—	GET	200	142.250.185.238:443	https://apis.google.com/_/scs/abc-static/_/js/k=gapi.gapi.en.24R2mrw_td8.O/m=gapi_iframes,googleapis_client/rt=j/sv=1/d=1/ed=1/rs=AHpOoo9vR1rNwOjC3PXOxUlyKiCwNBv2Fg/cb=gapi.loaded_0	unknown	—	—	—
—	—	GET	200	149.154.167.99:443	https://t.me/g_etcontent	unknown	html	12.1 Kb	whitelisted
—	—	POST	200	167.235.59.196:443	https://h.p.formaxprime.co.uk/	unknown	text	2.13 Kb	malicious
—	—	POST	200	167.235.59.196:443	https://h.p.formaxprime.co.uk/	unknown	text	2 b	malicious
—	—	POST	200	167.235.59.196:443	https://h.p.formaxprime.co.uk/	unknown	text	108 b	malicious
—	—	GET	200	142.250.184.228:443	https://www.google.com/async/newtab_ogb?hl=en-US&async=fixed:0	unknown	binary	125 Kb	whitelisted

PID	Process	IP	Domain	ASN	CN	Reputation
2104	svchost.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
—	—	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
—	—	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
7760	MSBuild.exe	149.154.167.99:443	t.me	Telegram Messenger Inc	GB	whitelisted
2104	svchost.exe	23.216.77.6:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
7760	MSBuild.exe	167.235.59.196:443	h.p.formaxprime.co.uk	Hetzner Online GmbH	DE	unknown
2104	svchost.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
7232	chrome.exe	142.250.185.195:443	clientservices.googleapis.com	GOOGLE	US	whitelisted

Domain	IP	Reputation
settings-win.data.microsoft.com	51.104.136.2 51.124.78.146	whitelisted
google.com	142.250.186.142	whitelisted
t.me	149.154.167.99	whitelisted
crl.microsoft.com	23.216.77.6 23.216.77.28	whitelisted
h.p.formaxprime.co.uk	167.235.59.196	malicious
clientservices.googleapis.com	142.250.185.195	whitelisted
accounts.google.com	74.125.128.84	whitelisted
www.google.com	142.250.186.36	whitelisted
www.gstatic.com	216.58.206.67	whitelisted
ogads-pa.googleapis.com	172.217.16.138 142.250.186.106 216.58.212.170 142.250.186.74 142.250.184.234 142.250.186.138 142.250.184.202 216.58.206.74 142.250.186.170 172.217.16.202 172.217.18.106 216.58.206.42 142.250.186.42 172.217.23.106 142.250.185.74 172.217.18.10	whitelisted

PID	Process	Class	Message
7760	MSBuild.exe	Misc activity	ET INFO Observed Telegram Domain (t .me in TLS SNI)
—	—	A Network Trojan was detected	ET MALWARE Win32/Stealc/Vidar Stealer Style Headers In HTTP POST M1
—	—	Malware Command and Control Activity Detected	ET MALWARE Win32/Stealc/Vidar Stealer Style Headers In HTTP POST M2
—	—	Malware Command and Control Activity Detected	ET MALWARE Win32/Stealc/Vidar Stealer Active C2 Responding with plugins Config M1
—	—	Malware Command and Control Activity Detected	ET MALWARE Win32/Stealc/Vidar Stealer Style Headers In HTTP POST M2
—	—	A Network Trojan was detected	STEALER [ANY.RUN] Base64 Encoded SQLite Dump
—	—	Malware Command and Control Activity Detected	ET MALWARE Win32/Stealc/Vidar Stealer Style Headers In HTTP POST M2
—	—	A Network Trojan was detected	STEALER [ANY.RUN] Base64 Encoded SQLite Dump
—	—	Malware Command and Control Activity Detected	ET MALWARE Win32/Stealc/Vidar Stealer Style Headers In HTTP POST M2
—	—	A Network Trojan was detected	STEALER [ANY.RUN] Base64 Encoded SQLite Dump

General Info

2025-03-25_93eae545645ea5cd5a1b5a75a4d6f76b_cobalt-strike_ryuk

93EAE545645EA5CD5A1B5A75A4D6F76B

641DDA4F775501989A31BE2CEE82AAD03BACF175

789D65061BC575FCD430284D7EC037C9E11DBCC12F3A9E5F3F97845F40B3666E

12288:nJY5BwtV9PRlnANt9jiO/1n4WcyloVDNChbgx8na/eB:JY5BwtV9P7g9uyN4tcoDChbgx8a2

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

VIDAR mutex has been found

Actions looks like stealing of personal data

Steals credentials from Web Browsers

VIDAR has been detected (YARA)

SUSPICIOUS

Reads security settings of Internet Explorer

Process communicates with Telegram (possibly using it as an attacker's C2 server)

Searches for installed software

There is functionality for taking screenshot (YARA)

Multiple wallet extension IDs have been found

INFO

Checks supported languages

Reads the software policy settings

Creates files in the program directory

Reads the computer name

Reads the machine GUID from the registry

Checks proxy server information

Creates files or folders in the user directory

Reads Environment values

Reads product name

Reads CPU info

Application launched itself

Malware configuration

Vidar

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