MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1. 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: 5

Intelligence 5 IOCs YARA 24 File information Comments

SHA256 hash:	4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1
SHA3-384 hash:	75030150681539fe4e900c60310823a32240b944533ccddfa62c5f2b53120b870cdf83483d271919b112a22a43f1e721
SHA1 hash:	e3c8a524e93ebe5d62618324a9412f1a43254b06
MD5 hash:	72ffa3aabbe171b542c3372f13441e52
humanhash:	stairway-oven-minnesota-winner
File name:	4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1.exe
Download:	download sample
Signature	RustyStealer Create hunting rule
File size:	12'019'200 bytes
First seen:	2026-10-04 08:36:05 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	472e766b9362b874058327511d10d21f (1 x RustyStealer)
ssdeep	98304:vGAM/agSX+qbP1pPiFzKQBCkVHufNgPgX6W/ynE27Sv1yldCQwRmRQ9oGi7Zy:eCg8LP120quAg1wSdT9on7
TLSH	T181C67C12BA9B58ACC15BC474834746A35A3270CB0B35BAFF51D492353FAAAF05F39358
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	004013c4e4134c00 (1 x RustyStealer)
Reporter	whack_sh
Tags:	exe RustyStealer

Intelligence

File Origin

# of uploads :

# of downloads :

198

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

exe

Verdict:

No threats detected

Analysis date:

2026-10-04 08:43:12 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/99e999b0-560e-4a9f-81d3-e37e9723340a

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/90594/

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a file

Deleting a recently created file

Replacing files

Creating a window

Сreating synchronization primitives

Gathering data

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1

Verdict:

Unknown

File Type:

exe x64

Link:

https://opentip.kaspersky.com/4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/2ec303cc-2746-4bfa-bbf9-736bdfbc9745

Result

Threat name:

n/a

Detection:

suspicious

Classification:

mine

Score:

28 / 100

Link:

https://www.joesandbox.com/analysis/1981936

Signature

Found strings related to Crypto-Mining

Behaviour

Behavior Graph:

Download SVG

Score:

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1

Verdict:

inconclusive

YARA:

11 match(es)

Tags:

Executable Html Javascript in Html PDB Path PE (Portable Executable) PE File Layout SVG Win 64 Exe x64

Link:

https://app.malva.re/file/72ffa3aabbe171b542c3372f13441e52

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1/

Threat name:

Win64.Trojan.Generic

Status:

Suspicious

First seen:

2026-10-04 08:37:24 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

5 of 38 (13.16%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=j5oluhwu4j6s7qiqirs4liqlgxlxg5443bpfwgpjznny5hmjwsqq._file

Result

Malware family:

n/a

Score:

6/10

Tags:

defense_evasion discovery trojan

Link:

https://tria.ge/reports/261004-khqx4szshs/

Behaviour

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Drops file in Windows directory

Checks whether UAC is enabled

Network Share Discovery

Unpacked files

SH256 hash:

4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1

MD5 hash:

72ffa3aabbe171b542c3372f13441e52

SHA1 hash:

e3c8a524e93ebe5d62618324a9412f1a43254b06

Link:

https://www.unpac.me/results/c7d83ae7-0f3c-4bef-9dca-02d5bd28edf5/

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/4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1

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

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

Rule name:	HUN_APT29_EnvyScout_Jul_2023_1 Create hunting rule
Author:	Arkbird_SOLG
Description:	Hunting rule for detect possible Envyscout malware used by the APT29 group by patterns already used in the past

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	MULTI_Malware_RemcosRAT_ForgeAuto_4785f0c3 Create hunting rule
Author:	Marjoriefort
Description:	Detects RemcosRAT (inconnu, etat binaire)

Rule name:	MULTI_Sample_Unique_b45fa506 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (inconnu, etat binaire)

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:	reverse_http Create hunting rule
Author:	CD_R0M_
Description:	Identify strings with http reversed (ptth)

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:	SCRIPT_Dropper_Unknown_ForgeAuto_0507f067_Script Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (script_js, etat script)

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:	SUSP_HTML_XMLHTTP_Redirect_Kit Create hunting rule
Author:	Marjoriefort
Description:	HTML avec exfiltration XMLHTTP + redirection window.location - kit phishing frais
Reference:	Veille fraicheur 2026-09-14 / cluster HTML

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:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	test_Malaysia Create hunting rule
Author:	rectifyq
Description:	Detects file containing malaysia string

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:	WIN_Malware_Unknown_ForgeAuto_4fa7e284_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_92a28498 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

File information

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

Web download

RustyStealer

exe 4f5cba1ed4e27d2fc1104465c5a20b35d773779cd85e5b19e9cb5b8e9d89b4a1

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/90594/

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