🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9852710aeb8c4bbaf60af26e35d21db8e7fc1982ca9c2d2ce2c2c6576d26fdd. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9852710aeb8c4bbaf60af26e35d21db8e7fc1982ca9c2d2ce2c2c6576d26fdd
SHA3-384 hash: 1888d268945539c2b8d53f0e1a4c9cbee4813f917c765ac327c817ef2f5491e105f5c96a91876b7091b9666499996e17
SHA1 hash: 5f1ff7000b88bf435b18e6b5bf65f7dab437d321
MD5 hash: 818d77d2025f0697ae09d1b736251ad8
humanhash: illinois-alanine-eleven-rugby
File name:kryptonclient-1.21.11 cracked.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:6'908'783 bytes
First seen:2026-10-01 14:15:20 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 196608:V4Kd1Qfn+TJMZ/9dWiSjhQ/+QR16j5E0bW:V41f+gzWf+2E0q
TLSH T1E66633A5FBAC5369C11FF23405224D1A750E63C26006673B13F41CE78D86EDA6F63B9A
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika zip
Reporter C0RSA
Tags:EtherHiding jar java KrLoader SilentNet


Avatar
C0RSA
silentnet-family Minecraft stealer. kryptonclient-1.21.11 cracked.jar - repack of 'KrLoader' with injected entrypoint com.github.sAnbmntk, com.github.vdAoKbip.
Campaign tag: 614cb1e6-a02c-4e83-8d09-5166a5d9992a
Steals MC session (username, UUID, accessToken) -> POST /shard/prefireMc, then PNG-stego second stage -> portable Python -> main.py. Uploads latest.log -> /shard/submitMinecraftLog.
C2 via Polygon contract 0x9c0a507300fd902787bb193d80fca5ce6e1bff9a (selector 0xce6d41de).
Stage 2: /cdn/v2/9f4e7a2c1b8d.png
Headers: X-Edge-Cache-Revalidate, X-Runtime-Env
Resolves C2 via DoH (cloudflare-dns.com / 1.1.1.1).

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
GB GB
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jar
Verdict:
Malicious activity
Analysis date:
2026-10-01 14:41:13 UTC
Tags:
silentnet stealer python evasion arch-exec arch-doc auto generic openssl tool arch-scr
Link:
https://app.any.run/tasks/08575113-fd66-488a-af13-13b091ebc6be

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/90086/
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b9852710aeb8c4bbaf60af26e35d21db8e7fc1982ca9c2d2ce2c2c6576d26fdd
Score:
52%
Verdict:
Susipicious
File Type:
ARCHIVE
Link:
https://malprob.io/report/b9852710aeb8c4bbaf60af26e35d21db8e7fc1982ca9c2d2ce2c2c6576d26fdd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9852710aeb8c4bbaf60af26e35d21db8e7fc1982ca9c2d2ce2c2c6576d26fdd/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-14 01:32:44 UTC
File Type:
Binary (Archive)
Extracted files:
554
AV detection:
4 of 36 (11.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgcsoefoxdclxl3av4togxjb3ohh7qmyfsu4fuwofqwgk5wsn7oq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/261001-rkr2hszfjb/
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/b9852710aeb8c4bbaf60af26e35d21db8e7fc1982ca9c2d2ce2c2c6576d26fdd

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:ANDROID_Sample_Unique_72544831
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:725448313dcb59422e6cb67fcc1ec11a3f058302e3007aaf0b93a9965225ab4b.jar
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

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 b9852710aeb8c4bbaf60af26e35d21db8e7fc1982ca9c2d2ce2c2c6576d26fdd

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/90086/

Comments