MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4719153be78a90d88f7fbe7f090948ae7e8a81c9a825207bb493af043e8582a9. 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: 15

Intelligence 15 IOCs YARA 10 File information Comments

SHA256 hash:	4719153be78a90d88f7fbe7f090948ae7e8a81c9a825207bb493af043e8582a9
SHA3-384 hash:	435051d7ef346cc5b06070bcc7be54d0de60e1809fcbef9ad52e73b9364f0f004cff41bd4365e183a0f4e0e454a48188
SHA1 hash:	1619f9ae8cfec6fac136d0aa865b0f315db7fea8
MD5 hash:	90e46b780cd4ce4c76a64ad590b45a30
humanhash:	golf-sweet-jig-burger
File name:	file
Download:	download sample
Signature	RustyStealer Create hunting rule
File size:	811'008 bytes
First seen:	2026-03-26 11:43:27 UTC
Last seen:	2026-03-27 23:48:45 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	4774228f7083f8873979f200999f6bef (1 x RustyStealer)
ssdeep	12288:TZ/bxzXvSEePIfM1+EnVak/LagVAznRFe+cOtAVc4iLQUT4QMJqh85c:TZT5HePoM1pnXLaFjRFe+cOqc3QFqO5
TLSH	T114051226799045BDD016C0B6C3484AB66BA674C70B32B9EF02C555383F69BF21F3DE1A
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	Bitsight
Tags:	a dropped-by-gcleaner exe MIX8.file RustyStealer

Bitsight

url: http://158.94.209.95/service

Intelligence

File Origin

# of uploads :

# of downloads :

123

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

X8cqVrA.exe

Verdict:

Malicious activity

Analysis date:

2026-03-26 00:19:14 UTC

Tags:

donutloader loader purehvnc netreactor rust

Link:

https://app.any.run/tasks/1ee605c9-c74f-4895-9d85-caa8cfa0cb6a

Note:

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

Gathering data

Detection(s):

SecuriteInfo.com.Trojan.PWS.Siggen5.32536.29010.23152.UNOFFICIAL

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69c47b81aacb4c376b141034

Tags:

virus remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Creating a file

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm crypt packed rust

Link:

https://www.filescan.io/uploads/69c51c152346b9da57a84f2e/reports/03036d0f-3d0e-4dd8-bf85-e098ff9e0765/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/4719153be78a90d88f7fbe7f090948ae7e8a81c9a825207bb493af043e8582a9

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-03-25T19:32:00Z UTC

Last seen:

2026-03-28T05:50:00Z UTC

Hits:

~100

Detections:

HEUR:Trojan-Spy.MSIL.Bobik.gen Trojan-PSW.Stealer.HTTP.C&C Trojan-Dropper.Scrop.HTTP.C&C Trojan.Win64.Agentb.sb Trojan.Win32.Shellcode.sb Trojan.Win32.Shellcode.nzf PDM:Trojan.Win32.Generic VHO:Backdoor.MSIL.Agent.gen VHO:Trojan-PSW.Win32.Agent.gen

Link:

https://opentip.kaspersky.com/4719153be78a90d88f7fbe7f090948ae7e8a81c9a825207bb493af043e8582a9/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/936b11c8-c84d-4102-b287-b793ed8c7587

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4719153be78a90d88f7fbe7f090948ae7e8a81c9a825207bb493af043e8582a9

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4719153be78a90d88f7fbe7f090948ae7e8a81c9a825207bb493af043e8582a9/

Verdict:

Malicious

Threat:

Family.DONUTLOADER

Link:

https://tip.neiki.dev/file/4719153be78a90d88f7fbe7f090948ae7e8a81c9a825207bb493af043e8582a9

Threat name:

Win64.Trojan.Ravartar

Status:

Malicious

First seen:

2026-03-26 00:19:20 UTC

File Type:

PE+ (Exe)

AV detection:

15 of 36 (41.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=i4mrko7hrkinrd37xz7qsckivz7ivaojvassa65usoxqipufqkuq._file

Verdict:

malicious

Label(s):

donutloader

Result

Malware family:

donutloader

Score:

10/10

Tags:

family:donutloader collection discovery loader spyware stealer

Link:

https://tria.ge/reports/260326-nwbxwsgz7x/

Behaviour

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Browser Information Discovery

System Time Discovery

Drops file in Windows directory

Accesses Microsoft Outlook profiles

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Detects DonutLoader

DonutLoader

Donutloader family

Unpacked files

SH256 hash:

4719153be78a90d88f7fbe7f090948ae7e8a81c9a825207bb493af043e8582a9

MD5 hash:

90e46b780cd4ce4c76a64ad590b45a30

SHA1 hash:

1619f9ae8cfec6fac136d0aa865b0f315db7fea8

Link:

https://www.unpac.me/results/39130338-c5c4-4ce3-87af-bf543c4d8a16/

Malware family:

DonutLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4719153be78a/report/overview.html

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/4719153be78a90d88f7fbe7f090948ae7e8a81c9a825207bb493af043e8582a9

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_Debugger Create hunting rule

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

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

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:	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:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.