MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cecb0e41d53ccc73078d80dcac576b7b0905f37193693f9b41cf4eb6651fa85. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

RustyStealer

Vendor detections: 9

Intelligence 9 IOCs YARA 14 File information Comments

SHA256 hash:	4cecb0e41d53ccc73078d80dcac576b7b0905f37193693f9b41cf4eb6651fa85
SHA3-384 hash:	0e9cc455029b4371ef95017bacebb212858ea7fec5357c2dd3f777bea155a7c4fabef19db14c3c82a34ea1f86c805c64
SHA1 hash:	6e033b19aeeb926db0582c09536c5f89e63baf08
MD5 hash:	d6e6b089da51d3662f052cb8f5f9436f
humanhash:	pluto-georgia-august-zulu
File name:	SecurityHealthService.exe
Download:	download sample
Signature	RustyStealer Create hunting rule
File size:	2'168'320 bytes
First seen:	2026-10-05 18:27:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	52f0125abb22bed46e3256a59bf46104 (1 x RustyStealer)
ssdeep	49152:LqDVO9BKpUEBzXz96joLBNyhxRvNTYIU6iJ:p+pPZJA5n+
TLSH	T1B7A57D03F69580E8D1AEC478C3579637EA72B88D0A34B2EB6BD05B113E26F905F1D719
TrID	33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	wok
Tags:	byovd exe Rust RustyStealer winrig0-sys

Intelligence

File Origin

# of uploads :

# of downloads :

195

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

SecurityHealthService.exe

Verdict:

Malicious activity

Analysis date:

2026-10-05 18:23:42 UTC

Tags:

github winring0-sys vuln-driver arch-exec rust

Link:

https://app.any.run/tasks/996a9bd6-b7ea-455a-b514-5a6a998e0381

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/90781/

Detection(s):

SecuriteInfo.com.Win64.MalwareX-gen.58388493.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Сreating synchronization primitives

Creating a file in the %AppData% subdirectories

Creating a file in the %temp% directory

Deleting a recently created file

DNS request

Connection attempt

Sending a custom TCP request

Creating a process from a recently created file

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm base64 cmd crypto expand hacktool lolbin obfuscated reconnaissance rust

Link:

https://www.filescan.io/uploads/6ac3ec3ec01112f0e4b43a3e/reports/740ecc20-fd9f-4f9a-b459-0d2e7840cb4f/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/4cecb0e41d53ccc73078d80dcac576b7b0905f37193693f9b41cf4eb6651fa85

Malware family:

MuddyWater

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4817de9b-6b53-4304-a322-fc3262c596d9

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4cecb0e41d53ccc73078d80dcac576b7b0905f37193693f9b41cf4eb6651fa85

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/d6e6b089da51d3662f052cb8f5f9436f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4cecb0e41d53ccc73078d80dcac576b7b0905f37193693f9b41cf4eb6651fa85/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jtwlbza5kpgmomdy3ag4vrlww6yjaxzxde3jh6nudt2owzsr7kcq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

credential_access defense_evasion discovery execution persistence stealer

Link:

https://tria.ge/reports/261005-w4d18azejg/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Reads the TCP/IP host and domain name from the registry

Enumerates connected drives

Credentials from Password Stores: Windows Credential Manager

Executes a file named after a Windows system binary

Executes dropped EXE

Command and Scripting Interpreter: PowerShell

Unpacked files

SH256 hash:

4cecb0e41d53ccc73078d80dcac576b7b0905f37193693f9b41cf4eb6651fa85

MD5 hash:

d6e6b089da51d3662f052cb8f5f9436f

SHA1 hash:

6e033b19aeeb926db0582c09536c5f89e63baf08

Link:

https://www.unpac.me/results/42baf099-99fd-4b6e-a586-d7842125a145/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4cecb0e41d53ccc73078d80dcac576b7b0905f37193693f9b41cf4eb6651fa85

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	ProgramLanguage_Rust Create hunting rule
Author:	albertzsigovits
Description:	Application written in Rust programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Rustyloader_mem_loose Create hunting rule
Author:	James_inthe_box
Description:	Corroded buerloader
Reference:	https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	upxHook Create hunting rule
Author:	@r3dbU7z
Description:	Detect artifacts from 'upxHook' - modification of UPX packer
Reference:	https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/