MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e999beafa41db6a8c61ee0023a35f2450bdd2e68265242de8261df207cde7b5. 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

SilentNet

Vendor detections: 5

Intelligence 5 IOCs YARA 8 File information Comments

SHA256 hash:	1e999beafa41db6a8c61ee0023a35f2450bdd2e68265242de8261df207cde7b5
SHA3-384 hash:	02509e8ad7bcc6a4f63c6190ab0790f82cc2e6b96ff1f1ee319216461f7d6d278475cd5e2a084a11319eef564470c0da
SHA1 hash:	13903181b851974c2262f5806bc4aa13820ccdb2
MD5 hash:	4c5ba94aeed28d37d3d75c39fb415e93
humanhash:	yankee-wisconsin-earth-river
File name:	donutduper.jar
Download:	download sample
Signature	SilentNet Create hunting rule
File size:	3'681'599 bytes
First seen:	2026-09-22 08:25:40 UTC
Last seen:	Never
File type:	jar
MIME type:	application/zip
ssdeep	98304:MI4YOPkroZiCEfx08V3ViY6c+elbZ12DJRvIluo0NndL:McOPkrQi3fx08VFB6EtcJ55N1
TLSH	T18506339BD10CCB79F2C2168501E9296B27B4B87574D32977D47E1ECAD21332E6CB61B0
TrID	77.1% (.JAR) Java Archive (13500/1/2) 22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika	jar
Reporter	wok
Tags:	jar java Python SilentNet

Intelligence

File Origin

# of uploads :

# of downloads :

103

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

donutduper.jar

Verdict:

Malicious activity

Analysis date:

2026-09-22 08:20:03 UTC

Tags:

silentnet stealer python evasion auto generic arch-exec arch-doc openssl tool

Link:

https://app.any.run/tasks/033e8881-3efa-4eec-b3aa-ef3760c73c4a

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/88243/

Verdict:

Clean

Score:

N/A%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6acd42487378c656ff4d56d0

Tags:

n/a

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/6ab23ba62a0705a062aa01ef/reports/664beecb-9de0-432a-ad53-533ed4dd5981/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/1e999beafa41db6a8c61ee0023a35f2450bdd2e68265242de8261df207cde7b5

Verdict:

Malicious

File Type:

jar

First seen:

2026-09-22T07:14:00Z UTC

Last seen:

2026-09-22T07:27:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/1e999beafa41db6a8c61ee0023a35f2450bdd2e68265242de8261df207cde7b5/results?tab=lookup

Score:

Verdict:

Benign

File Type:

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/260922-kbypdabg54/

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

Threat name:

Suspicious File

Score:

0.35

Link:

https://yomi.yoroi.company/submissions/1e999beafa41db6a8c61ee0023a35f2450bdd2e68265242de8261df207cde7b5

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:	JAVA_Malware_Unknown_ForgeAuto_03a7ca91 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_0ece8eba Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_1fde0fe5 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_50b45f1d Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_5888acd8 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_61773a0a Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	MULTI_Dropper_Unknown_GitHubObfuscated_JAR Create hunting rule
Author:	Marjoriefort
Description:	JAR dropper : classes obfusquees a noms random sous com/github/ (densite >= 4) - famille du resolver GitHub
Reference:	Veille glissante 2026-09-17_22 / grappe 21 JAR

Rule name:	MULTI_PUA_FabricMod_PackageIcon_LicenseGithub Create hunting rule
Author:	Marjoriefort
Description:	Mod Minecraft Fabric (structure package + LICENSE_github) soumis en masse - PUA/mods, pattern de soumission
Reference:	misses_archive / grappe 9 archives