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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bf72a00897f67d0e4a4a0ede097e172af29409068cfebe2b4762e8d9d0fa83a. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash: 6bf72a00897f67d0e4a4a0ede097e172af29409068cfebe2b4762e8d9d0fa83a
SHA3-384 hash: 5700bee81c7b4783caf54378c4c0350fa620639d5dd5769084448bc0e8632cce33fd64bf0c534ac9e9f3e7901d3cdc8e
SHA1 hash: 15ff8ba6799613642a2072b6f26bc71303b430f7
MD5 hash: a4e33e2a52a4c4a03ab2fde074448760
humanhash: winter-utah-wisconsin-idaho
File name:kryptonLoader1.21.11.jar
Download: download sample
Signature SilentNet
File size:6'592'602 bytes
First seen:2026-10-03 13:35:27 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 98304:CNEQVcuTItdQSQGWc8IQYrc16j5E0iG3VuY3YDQsgooEiFvA34BVEOcuazLxJeoh:vuTE+SQ/+QR16j5E0blunmNaoB+nHrJH
TLSH T1CB663374C27DA9B9D6CFA930C7474A5B33C7128E49C13D1EAE711A197A0A2B0F771B90
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 :
1
# of downloads :
134
Origin country :
AT AT
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
kryptonLoader1.21.11.jar
Verdict:
Malicious activity
Analysis date:
2026-10-03 13:33:51 UTC
Tags:
silentnet stealer python evasion arch-exec arch-doc auto generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File Type:
jar
First seen:
2026-09-15T18:06:00Z UTC
Last seen:
2026-10-04T01:36:00Z UTC
Hits:
~10
Gathering data
Threat name:
ByteCode-JAVA.Trojan.Generic
Status:
Suspicious
First seen:
2026-09-05 01:25:01 UTC
File Type:
Binary (Archive)
Extracted files:
547
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MULTI_Dropper_Unknown_GitHubObfuscated_JAR
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

File information


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

Web download

SilentNet

Java file jar 6bf72a00897f67d0e4a4a0ede097e172af29409068cfebe2b4762e8d9d0fa83a

(this sample)

  
Dropping
SilentNet
  
Delivery method
Distributed via web download

Comments