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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab759a24401b19ec922d726ded0d7d0b148fb89e512d774ea45865420e680c24. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab759a24401b19ec922d726ded0d7d0b148fb89e512d774ea45865420e680c24
SHA3-384 hash: 73a1eb81c823e8a4b784de2590383fda552e538e18192545081cc1cc768ecd9f274c0363a03e9a02f66e1c8439c7b7b5
SHA1 hash: 18e0f1081fe902c6cf869a37061222bf0a6cb7c3
MD5 hash: ce5f63e3fc9931cd8768a5fb3035f8bf
humanhash: solar-early-wisconsin-muppet
File name:Nyrex.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:1'017'982 bytes
First seen:2026-10-01 15:07:08 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 24576:jiy6KB3giB8fgIQLzw+PYkchyZnvZnZLk:0m3OfgI6z/Hq
TLSH T164250172593F0B79E20BD37FF50809913D6E82CB500D912320B958DE99DB4A92FC9A7D
TrID 48.2% (.JAR) Java Archive (13500/1/2)
37.5% (.SH3D) Sweet Home 3D Design (generic) (10500/1/3)
14.2% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter C0RSA
Tags:donutsmp EtherHiding jar java Nyrexclient SilentNet


Avatar
C0RSA
silentnet-family Minecraft stealer. Nyrex.jar - repack of 'Nyrexclient' with injected entrypoint com.github.byJhlkqox.
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 :
1
# of downloads :
84
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 17:18:35 UTC
Tags:
silentnet stealer python evasion arch-exec arch-doc auto generic openssl tool
Link:
https://app.any.run/tasks/53955539-e418-44a4-b86d-bd2878d8768c

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/90116/
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-debug macros-on-open obfuscated
Link:
https://www.filescan.io/uploads/6abe772b8aa04489b7f99319/reports/225de6a1-ed6e-4357-9b54-0bda77b06c64/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ab759a24401b19ec922d726ded0d7d0b148fb89e512d774ea45865420e680c24
Verdict:
Malicious
File Type:
jar
First seen:
2026-09-01T23:40:00Z UTC
Last seen:
2026-09-20T19:41:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ab759a24401b19ec922d726ded0d7d0b148fb89e512d774ea45865420e680c24/results?tab=lookup
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/ab759a24401b19ec922d726ded0d7d0b148fb89e512d774ea45865420e680c24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab759a24401b19ec922d726ded0d7d0b148fb89e512d774ea45865420e680c24/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-02 02:52:23 UTC
File Type:
Binary (Archive)
Extracted files:
368
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vn2zujcadmm6zernojw62dl5bmki7oe6kewxotvelbsuedtibqsa._file
Result
Malware family:
silentnet
Create hunting rule
Score:
  10/10
Tags:
family:silentnet stealer
Link:
https://tria.ge/reports/261001-she5lstv7r/
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/ab759a24401b19ec922d726ded0d7d0b148fb89e512d774ea45865420e680c24

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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 ab759a24401b19ec922d726ded0d7d0b148fb89e512d774ea45865420e680c24

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/90116/

Comments