🤲🏼 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 a3b611ed6cd0b43015d75ad7abaa4f71a5e31d314b06ebf72590bf8a1a2cf83d. 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: a3b611ed6cd0b43015d75ad7abaa4f71a5e31d314b06ebf72590bf8a1a2cf83d
SHA3-384 hash: e2cebe578d4e6024d2be645b202788d65a118cb0013f90b9f5d279d2549332585972eb98a8825a2bef28d7dc5774d026
SHA1 hash: c707a4a38ecc3e66429a96341a12cc70c7c9f1f1
MD5 hash: fc09cf50bb5612bf53bb71822d05bbbd
humanhash: speaker-kentucky-eight-kitten
File name:chorus-library-10.4 (1).jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:2'957'171 bytes
First seen:2026-09-30 16:19:44 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 49152:eHgm/O33YxTCJ7/np9Dyft798/WwPw0ZwXACeTmgYG94GtqpeBwTmz:aCYxTa7/nmFp8/HPwKoyaWgpeW2
TLSH T18CD5231AE6AC953DDD37733591930FE2EC284292E187629F13B4B6E16481C9B1703BDE
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter C0RSA
Tags:chorus-library EtherHiding jar java SilentNet


Avatar
C0RSA
silentnet-family Minecraft stealer. chorus-library-10.4 (1).jar - repack of 'Chorus' with injected entrypoint com.github.AdHuePWJQSUNEAr.
Campaign tag: cf03ac2f-7dd7-4b92-8aec-15ea94266af7
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 :
132
Origin country :
GB GB
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
a3b611ed6cd0b43015d75ad7abaa4f71a5e31d314b06ebf72590bf8a1a2cf83d.zip
Verdict:
No threats detected
Analysis date:
2026-09-30 16:23:17 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/07108191-5013-4e74-a330-600dcace8b5e

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/89904/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ace77262e5d8a93d8150e6f
Tags:
shellcode virus java
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug obfuscated
Link:
https://www.filescan.io/uploads/6abd36c8fdd297104adb3096/reports/a40492b9-b1de-4642-aee5-fc121446ef1f/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a3b611ed6cd0b43015d75ad7abaa4f71a5e31d314b06ebf72590bf8a1a2cf83d
Verdict:
Malicious
File Type:
jar
First seen:
2026-09-30T14:32:00Z UTC
Last seen:
2026-09-30T23:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a3b611ed6cd0b43015d75ad7abaa4f71a5e31d314b06ebf72590bf8a1a2cf83d/results?tab=lookup
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/a3b611ed6cd0b43015d75ad7abaa4f71a5e31d314b06ebf72590bf8a1a2cf83d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3b611ed6cd0b43015d75ad7abaa4f71a5e31d314b06ebf72590bf8a1a2cf83d/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-30 16:20:29 UTC
File Type:
Binary (Archive)
Extracted files:
726
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uo3bd3lm2c2dafoxlll2xkspogs6ghjrjmdox5zfsc7yugrm7a6q._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260930-ttavpscf75/
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/a3b611ed6cd0b43015d75ad7abaa4f71a5e31d314b06ebf72590bf8a1a2cf83d

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 a3b611ed6cd0b43015d75ad7abaa4f71a5e31d314b06ebf72590bf8a1a2cf83d

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/89904/

Comments