MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4f18b6a8adcd70f19a244eefe7107dc50c11070bf5df8d3f262fd38283bcfd7. 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

Threat unknown

Vendor detections: 3

Intelligence 3 IOCs YARA 8 File information Comments

SHA256 hash:	c4f18b6a8adcd70f19a244eefe7107dc50c11070bf5df8d3f262fd38283bcfd7
SHA3-384 hash:	b9859062a7e67f7ac8c105e73080ca07612576e48a8dc1b0bdcb6e429f67d2cb8333f331b819a60c08cb3894ee115246
SHA1 hash:	92b57d24dabb2d060e55f366a862ec49d37e34c5
MD5 hash:	5ca4d6c0a5ed549461e7665bc5e23cfd
humanhash:	harry-finch-east-hot
File name:	KryptonClient.jar
Download:	download sample
File size:	1'976'110 bytes
First seen:	2026-10-03 13:01:42 UTC
Last seen:	Never
File type:	jar
MIME type:	application/zip
ssdeep	49152:8I9JJfXFkxK/WROPVXiRKWwhPmumIfQtfPksrrOgTONxAgiq:8IHJvF/W8ZiRKWwmeYJHOgidiq
TLSH	T1F99533721E20CD59242970F96C098E1DFD546F2D8AC673FD2E6C094FF65D2A9280D2EB
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 :

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

KryptonClient.jar

Verdict:

Malicious activity

Analysis date:

2026-10-03 12:55:15 UTC

Tags:

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

Link:

https://app.any.run/tasks/bb6ba5ed-de0f-40df-885d-be507c2d3852

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/90428/

Detection(s):

SecuriteInfo.com.Java.Agent.ADG.tr.28827.31742.UNOFFICIAL

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/6ac0fcdad2f101eaac98958f/reports/24316a2b-bb4d-4022-a0ac-297aedde6100/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/c4f18b6a8adcd70f19a244eefe7107dc50c11070bf5df8d3f262fd38283bcfd7

Score:

Verdict:

Benign

File Type:

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/261003-p9w1nazw5j/

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/c4f18b6a8adcd70f19a244eefe7107dc50c11070bf5df8d3f262fd38283bcfd7

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