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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b6f86fe9ae37018bc919ce03fce79fac8a28a3a9c1e73b70b1721e2835d099d. 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: 5b6f86fe9ae37018bc919ce03fce79fac8a28a3a9c1e73b70b1721e2835d099d
SHA3-384 hash: 7040db7fffb449b137b523d6e876874e896dd0e659c8a487c6e9f3923a53446499391e2ae0533cce8c0be7725dd1764d
SHA1 hash: 0bf9da0a3a8beff360b5a2ee67228a73402ebf5a
MD5 hash: 43f0a864222fda8244d99e50ba99735d
humanhash: high-cat-nineteen-muppet
File name:Osmium-Release-1.0.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:1'324'279 bytes
First seen:2026-10-01 14:46:05 UTC
Last seen:2026-10-03 10:38:17 UTC
File type:Java file jar
MIME type:application/zip
ssdeep 24576:0oEu5WzfAOlvLMR9UY7YgeiM06hwo9ohLjU5Ao6ESFNn9Uh06pOXq2wNK:0oEuIF5wjU5zio9k/79Uh0XXq2wNK
TLSH T172550231DD9CA6B1FC037730C12B5B11AC3907A1A88AB1763BB5CE879D885C72F7A195
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter C0RSA
Tags:donutsmp EtherHiding ImmediatelyFast jar java SilentNet


Avatar
C0RSA
silentnet-family Minecraft stealer. Osmium-Release-1.0.jar - repack of 'ImmediatelyFast' with injected entrypoint com.github.findKitivv.
Campaign tag: 9ebad53b-2661-4d29-bfc3-6f7b705b68b3
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/e/3b8f6d2a9c1e
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 :
51
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 15:59:54 UTC
Tags:
silentnet stealer python auto generic evasion openssl tool arch-doc
Link:
https://app.any.run/tasks/3dbc5d3d-7dfa-44aa-b53c-b6ff4f91097c

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/90095/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6aceaeb42e5d8a93d8152804
Tags:
n/a
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/5b6f86fe9ae37018bc919ce03fce79fac8a28a3a9c1e73b70b1721e2835d099d
Verdict:
Malicious
File Type:
jar
First seen:
2026-07-28T21:09:00Z UTC
Last seen:
2026-08-17T17:07:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/5b6f86fe9ae37018bc919ce03fce79fac8a28a3a9c1e73b70b1721e2835d099d/results?tab=lookup
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/5b6f86fe9ae37018bc919ce03fce79fac8a28a3a9c1e73b70b1721e2835d099d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b6f86fe9ae37018bc919ce03fce79fac8a28a3a9c1e73b70b1721e2835d099d/
Threat name:
Package.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-28 22:29:00 UTC
File Type:
Package (Java)
Extracted files:
425
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lnxyn7u24nybrperttqd7ttz7lekfcr2tqphhnylc4q6fa25bgoq._file
Result
Malware family:
silentnet
Create hunting rule
Score:
  10/10
Tags:
family:silentnet stealer
Link:
https://tria.ge/reports/261001-r5d1dswtdz/
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/5b6f86fe9ae37018bc919ce03fce79fac8a28a3a9c1e73b70b1721e2835d099d

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 5b6f86fe9ae37018bc919ce03fce79fac8a28a3a9c1e73b70b1721e2835d099d

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/90095/

Comments