MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16c05d5c513fc88743dd3e28ff0d0a9ca1c8748c5d581adf4bb8e83b85d64c1f. 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: 5

Intelligence 5 IOCs YARA 8 File information Comments

SHA256 hash:	16c05d5c513fc88743dd3e28ff0d0a9ca1c8748c5d581adf4bb8e83b85d64c1f
SHA3-384 hash:	33e44295c6acf77cc2527fe71fdc65aff748c09bbe2a87219653107c36c662b5af6c7245fc5f190cdd86bbfef5a4160e
SHA1 hash:	29b1ec6870ef6d04f91a85c4be9a93beddb4478c
MD5 hash:	083f3a28b296bf494b9751d2fc0f9b8b
humanhash:	winner-vermont-fruit-cardinal
File name:	opsec1.21.4-1.21.11+v1.1.7.1.jar
Download:	download sample
Signature	SilentNet Create hunting rule
File size:	5'647'561 bytes
First seen:	2026-09-30 17:50:09 UTC
Last seen:	Never
File type:	jar
MIME type:	application/zip
ssdeep	98304:6AV5NHmUX2l1FtkbjSuCzVDpiJcpaZX48nsb75Lbf5dwfxSb6Rh5Wy:6AVjX2lOquCNpeguXhEVlhb6RbWy
TLSH	T1644633DB596FE99088111D029FE2C982A0FD550C28679E74982D83E77248FBDF0375BE
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 Opsec Mod SilentNet

C0RSA

silentnet-family Minecraft stealer. opsec1.21.4-1.21.11+v1.1.7.1.jar - repack of 'Opsec' with injected entrypoint com.github.YxwxZuRYaEUJ3x.
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 :

# of downloads :

116

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

jar

Verdict:

Malicious activity

Analysis date:

2026-09-30 17:51:06 UTC

Tags:

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

Link:

https://app.any.run/tasks/adddfb9c-0045-429d-bd5b-9e8a9221908e

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/89924/

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/6abd4be749b50c8651a353b4/reports/d5ac8cc5-7fbb-4ffc-a701-ed11636b24de/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/16c05d5c513fc88743dd3e28ff0d0a9ca1c8748c5d581adf4bb8e83b85d64c1f

Verdict:

Malicious

File Type:

jar

First seen:

2026-09-30T15:45:00Z UTC

Last seen:

2026-09-30T23:55:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/16c05d5c513fc88743dd3e28ff0d0a9ca1c8748c5d581adf4bb8e83b85d64c1f/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-werwsawepa/

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/16c05d5c513fc88743dd3e28ff0d0a9ca1c8748c5d581adf4bb8e83b85d64c1f

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_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 16c05d5c513fc88743dd3e28ff0d0a9ca1c8748c5d581adf4bb8e83b85d64c1f

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/89924/

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