MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85ffaa14f3a0a50f86d775660b4158389504ee3f64e62b13f1f526cc6d3b3e7f. 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 9 File information Comments

SHA256 hash:	85ffaa14f3a0a50f86d775660b4158389504ee3f64e62b13f1f526cc6d3b3e7f
SHA3-384 hash:	5434a101befbf8e6060b8bc48c21a8a1983b40d343df9d8bf03ff1f0f3e1b1131fd01ea39925c0484e372d73328adf1f
SHA1 hash:	560bed6baf314f2de26f6e0e6cc2c41d6c07d56c
MD5 hash:	0db7de70584af0e7ed1dac7e53de1a64
humanhash:	eleven-item-wyoming-wolfram
File name:	4EClient.jar
Download:	download sample
Signature	SilentNet Create hunting rule
File size:	1'393'210 bytes
First seen:	2026-09-30 15:31:37 UTC
Last seen:	Never
File type:	jar
MIME type:	application/zip
ssdeep	24576:qFh1+hrwPqjlPwUCcCmiJY+IrSUm/ehskSH+AX2S2cXkSa3X5HFVA:8+hrJNNCmia8teekSHX3USEX1Y
TLSH	T1BB553394BEC8D7E5DE61F43D0044362B0C3E9561CC865DE8BD1692D97A9C131A8C8BBF
TrID	77.1% (.JAR) Java Archive (13500/1/2) 22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika	jar
Reporter	C0RSA
Tags:	donutsmp EtherHiding jar java SilentNet

C0RSA

silentnet-family Minecraft stealer. 4EClient.jar
Campaign tag: 6b41cfa4-29bc-49f2-8a48-8650851b91d3
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 :

# of downloads :

130

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

jar

Verdict:

Malicious activity

Analysis date:

2026-09-30 15:49:23 UTC

Tags:

silentnet stealer arch-exec arch-doc python auto generic evasion openssl tool arch-scr arch-html

Link:

https://app.any.run/tasks/14814d19-f5f0-484f-948e-639ac906b53b

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/89893/

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ace739a2e5d8a93d8150d6d

Tags:

virus java

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/6abd2b7a48296588e6e4a868/reports/1bc69960-54b4-4bbe-9a83-64ce46438d54/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/85ffaa14f3a0a50f86d775660b4158389504ee3f64e62b13f1f526cc6d3b3e7f

Verdict:

Malicious

File Type:

jar

First seen:

2026-09-30T13:44:00Z UTC

Last seen:

2026-10-02T02:40:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/85ffaa14f3a0a50f86d775660b4158389504ee3f64e62b13f1f526cc6d3b3e7f/results?tab=lookup

Score:

Verdict:

Benign

File Type:

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/260930-sym56abf38/

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/85ffaa14f3a0a50f86d775660b4158389504ee3f64e62b13f1f526cc6d3b3e7f

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:	JAVA_Malware_Unknown_ForgeAuto_03a7ca91 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_0ece8eba Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_1fde0fe5 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_50b45f1d Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_5888acd8 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

Rule name:	JAVA_Malware_Unknown_ForgeAuto_61773a0a Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (class, etat binaire)

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

Rule name:	MULTI_Malware_Unknown_ForgeAuto_b2a4008d Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (inconnu, etat binaire)

Rule name:	MULTI_PUA_FabricMod_PackageIcon_LicenseGithub Create hunting rule
Author:	Marjoriefort
Description:	Mod Minecraft Fabric (structure package + LICENSE_github) soumis en masse - PUA/mods, pattern de soumission
Reference:	misses_archive / grappe 9 archives

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

SilentNet

jar 85ffaa14f3a0a50f86d775660b4158389504ee3f64e62b13f1f526cc6d3b3e7f

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/89893/

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