MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c65c5f74b613d4255dcca169601a9349aa2a44c3aa72c1610e132467df3317ab. 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: 11

Intelligence 11 IOCs YARA 22 File information Comments

SHA256 hash:	c65c5f74b613d4255dcca169601a9349aa2a44c3aa72c1610e132467df3317ab
SHA3-384 hash:	93c8603c3353cfc71373c36bd004264e0b5a9309db611ef1d72d03d347b05c9e8cf751c3a4225dc421f7ced8be0715eb
SHA1 hash:	3b4281849f72a6e13823e18388feb492245f4f6d
MD5 hash:	f2add33946084a09af6dc95322fba911
humanhash:	uncle-wolfram-magazine-autumn
File name:	c65c5f74b613d4255dcca169601a9349aa2a44c3aa72c1610e132467df3317ab
Download:	download sample
Signature	RustyStealer Create hunting rule
File size:	3'738'624 bytes
First seen:	2026-09-29 11:01:57 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	b683897531a4c46731558dbe15256f2b (1 x RustyStealer)
ssdeep	49152:683148hCIC16H1WHVNDRLt/4ZfG0XsRB99Eu7D0dtbWxjmLW2JFRNGJhN6u:2+uecRq6MzuJh0u
TLSH	T197067B03FB9985E9C09EC178C34A5227EB72B88D1B20B39F66944A313F57B611F6D394
TrID	37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika	pebin
dhash icon	b9652699c3a7726c (1 x RustyStealer)
Reporter	Threatray
Tags:	exe RustyStealer SentyStealer

Intelligence

File Origin

# of uploads :

# of downloads :

183

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

exe

Verdict:

Suspicious activity

Analysis date:

2026-09-29 11:18:34 UTC

Tags:

evasion rust

Link:

https://app.any.run/tasks/1011163e-bca5-4db0-802f-c7ef44b7b93f

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/89637/

Detection(s):

SecuriteInfo.com.Win64.MalwareX-gen.59483438.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ace2fd27378c656ff4dbdfa

Tags:

infosteal vmdetect

Result

Verdict:

Clean

Maliciousness:

Behaviour

Launching a process

Using the Windows Management Instrumentation requests

Searching for synchronization primitives

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug anti-vm base64 crypto entropy evasive lolbin packed reconnaissance rust schtasks

Link:

https://www.filescan.io/uploads/6abb9ac51c73622a7506ff18/reports/689e698f-9433-4b97-bef5-864d4655f290/overview

Verdict:

Malicious

Labled as:

Trojan_Win32_Wacatac_C_ml

Link:

https://www.hybrid-analysis.com/sample/c65c5f74b613d4255dcca169601a9349aa2a44c3aa72c1610e132467df3317ab

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-09-10T02:08:00Z UTC

Last seen:

2026-09-30T18:16:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/c65c5f74b613d4255dcca169601a9349aa2a44c3aa72c1610e132467df3317ab/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/10280e58-6f15-42d6-a61f-eedd08f6fce4

Score:

89%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/c65c5f74b613d4255dcca169601a9349aa2a44c3aa72c1610e132467df3317ab

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/f2add33946084a09af6dc95322fba911

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c65c5f74b613d4255dcca169601a9349aa2a44c3aa72c1610e132467df3317ab/

Threat name:

Win64.Trojan.Wacatac

Status:

Suspicious

First seen:

2026-09-10 15:22:24 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

16 of 23 (69.57%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=yzof65fwcpkckxomufuwagutjgvcurgdvjzmcyiocmsgpxztc6vq._file

Verdict:

malicious

Label(s):

SentyStealer

Link:

https://reports.threatray.com/ae1cdea8-324c-4613-9efc-468f11071b5a

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/260929-m5akrayyf1/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

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

Discovers running processes

Unpacked files

SH256 hash:

c65c5f74b613d4255dcca169601a9349aa2a44c3aa72c1610e132467df3317ab

MD5 hash:

f2add33946084a09af6dc95322fba911

SHA1 hash:

3b4281849f72a6e13823e18388feb492245f4f6d

Link:

https://www.unpac.me/results/93eec9de-9b42-40bb-a993-c42da5d7a608/

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/c65c5f74b613d4255dcca169601a9349aa2a44c3aa72c1610e132467df3317ab

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:	Check_OutputDebugStringA_iat Create hunting rule

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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

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

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

Rule name:	detect_powershell Create hunting rule
Author:	daniyyell
Description:	Detects suspicious PowerShell activity related to malware execution

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	dsc Create hunting rule
Author:	Aaron DeVera
Description:	Discord domains

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing SQL queries to confidential data stores. Observed in infostealers

Rule name:	INDICATOR_SUSPICIOUS_VM_Evasion_MACAddrComb Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing virtualization MAC addresses

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:	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:	TH_Generic_MassHunt_Win_Malware_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Windows malware mass-hunt rule - 2025
Reference:	https://cyfare.net/

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Link

https://x.com/ThreatrayLabs/status/2104889249824747749

Cape

https://www.capesandbox.com/analysis/89637/

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