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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ea66bf2303053b22e05be4043f763cee866b8f1fb1a4fa2c8667bf5a5ae3c77. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ea66bf2303053b22e05be4043f763cee866b8f1fb1a4fa2c8667bf5a5ae3c77
SHA3-384 hash: 169908fdef8a3acee93c945132a55c67841678ffe43b1e6c4d999b42a0c00a5f99cddd82b8b9cfe8de05dd10c39b9ef8
SHA1 hash: 3a25866cfae4c6a55bc5d59f21384fb245f8b288
MD5 hash: 86160582ba1f6b7a40144cf3f24ded47
humanhash: virginia-social-snake-hydrogen
File name:SwyzzyClient.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:704'331 bytes
First seen:2026-09-30 17:57:24 UTC
Last seen:2026-10-03 10:38:37 UTC
File type:Java file jar
MIME type:application/zip
ssdeep 12288:mWTBrX12zuUMeqyg/D4W1nCj6LMCkTyVRrZoWtBNGcjKXpGWoJZTzchm43j987xu:tf2zceqjcW1XfzbNG1XpKHzcU4TYY
TLSH T19CE423139C4D017AE523863499CA4ADAFFA910D1D22A751F01BC66CF10CAE8F2F497DA
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter C0RSA
Tags:EtherHiding jar java SilentNet Swyzzy Client


Avatar
C0RSA
silentnet-family Minecraft stealer. SwyzzyClient.jar - repack of 'Swyzzy Client' with injected entrypoint com.github.blhw9.
Campaign tag: 9b4f491e-5f3c-4204-90d5-a31eb305674c
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 :
2
# of downloads :
120
Origin country :
GB GB
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jar
Verdict:
Malicious activity
Analysis date:
2026-09-30 18:01:37 UTC
Tags:
silentnet stealer python auto generic openssl tool arch-doc arch-scr
Link:
https://app.any.run/tasks/27dd3ee7-c205-4b71-966a-7313dfb6fa2e

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/89927/
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-debug lolbin obfuscated tracker
Link:
https://www.filescan.io/uploads/6abd4dba65b21b4cdc69b46f/reports/71dc767d-e3c0-4572-933a-77b1061a4124/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/2ea66bf2303053b22e05be4043f763cee866b8f1fb1a4fa2c8667bf5a5ae3c77
Verdict:
Malicious
File Type:
jar
First seen:
2026-09-30T15:40:00Z UTC
Last seen:
2026-09-30T23:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2ea66bf2303053b22e05be4043f763cee866b8f1fb1a4fa2c8667bf5a5ae3c77/results?tab=lookup
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/2ea66bf2303053b22e05be4043f763cee866b8f1fb1a4fa2c8667bf5a5ae3c77
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ea66bf2303053b22e05be4043f763cee866b8f1fb1a4fa2c8667bf5a5ae3c77/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-30 17:58:18 UTC
File Type:
Binary (Archive)
Extracted files:
203
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f2tgx4rqgbj3elqfxzaeh53dz3ugnohr7mne7iwimz57ljnohr3q._file
Result
Malware family:
silentnet
Create hunting rule
Score:
  10/10
Tags:
family:silentnet stealer
Link:
https://tria.ge/reports/260930-wj81vssth1/
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/2ea66bf2303053b22e05be4043f763cee866b8f1fb1a4fa2c8667bf5a5ae3c77

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
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 2ea66bf2303053b22e05be4043f763cee866b8f1fb1a4fa2c8667bf5a5ae3c77

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/89927/

Comments