MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b7b1c296ee2ff4d8f10e47784eaf16fa7058625cbdcfe5fa67936bbb0793a12. 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 11 File information Comments

SHA256 hash:	4b7b1c296ee2ff4d8f10e47784eaf16fa7058625cbdcfe5fa67936bbb0793a12
SHA3-384 hash:	9b641a48b1e6bc5dbab919a09a580e58c749e2f1fa956e93b590955dc490092f15b708e167c8196f4dd7e7473e1c8626
SHA1 hash:	257b51c796479621074a0c47f08bcad66a4dfe36
MD5 hash:	cf18bf230043d79383cc84f399eae905
humanhash:	eight-yankee-quiet-princess
File name:	Anubis Client.jar
Download:	download sample
Signature	SilentNet Create hunting rule
File size:	3'345'212 bytes
First seen:	2026-10-20 16:12:04 UTC
Last seen:	Never
File type:	jar
MIME type:	application/zip
ssdeep	98304:ImuoBRx2579TkTXcFglNsYeiqwZl5wWoxe+JtOA6MILdu+AGGK:yoIXTkTXjboiRoxe+JB6MQduK
TLSH	T126F533AD27EC4DB5DDA05FE74A7B46C62E08F7335F27A06B5A8806253E83D885433349
TrID	77.1% (.JAR) Java Archive (13500/1/2) 22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika	jar
Reporter	wok
Tags:	jar java Python SilentNet

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

Anubis Client.jar

Verdict:

Malicious activity

Analysis date:

2026-10-19 20:52:52 UTC

Tags:

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

Link:

https://app.any.run/tasks/48ee5390-aedf-4527-ae87-5941b2723124

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/93143/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.81874219.92153776.UNOFFICIAL

Verdict:

Clean

Score:

89.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad792e65a22ac805bd8229d

Tags:

n/a

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/6ad792dd8b0a3e6bd4d0b933/reports/63aca416-d7c5-485d-ae7d-da5dea3396a5/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/4b7b1c296ee2ff4d8f10e47784eaf16fa7058625cbdcfe5fa67936bbb0793a12

Result

Malware family:

Silentnet

Verdict:

Malicious

Trusted hash?:

False

File:

Classes:

Nested archives:

Source:

https://www.jarscanner.org/

Findings

Minecraft session theft indicators: Code associated with Minecraft session-token collection was found.

Silentnet signature: Known Silentnet data path was found.

External process execution: ProcessBuilder can execute operating-system commands.

User-Agent: May indicate outbound HTTP requests or client impersonation.

Verdict:

Clean

File Type:

jar

First seen:

2026-10-20T14:34:00Z UTC

Last seen:

2026-10-22T02:37:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/4b7b1c296ee2ff4d8f10e47784eaf16fa7058625cbdcfe5fa67936bbb0793a12/results?tab=lookup

Score:

Verdict:

Benign

File Type:

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/261020-tnld9afx5q/

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/4b7b1c296ee2ff4d8f10e47784eaf16fa7058625cbdcfe5fa67936bbb0793a12

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:	SilentNet_CharArith_Obfuscation Create hunting rule
Author:	NyxIndius
Description:	Detects Java class with char-arithmetic string obfuscation (ldc/sipush A - B, isub, i2c) in volume

Rule name:	SilentNet_FakeFabric_Jar_Container Create hunting rule
Author:	NyxIndius
Description:	Detects fake Fabric mod JAR with net/fabric/ package (not net/fabricmc/) and random class names, associated with SilentNet loader/stealer

Rule name:	SilentNet_FakeFabric_Metadata Create hunting rule
Author:	NyxIndius
Description:	Detects MANIFEST or fabric.mod.json pointing to a net.fabric.* entrypoint (fake Fabric mod, SilentNet)

Rule name:	SilentNet_FakeFabric_Mod_Jar Create hunting rule
Author:	NyxIndius
Description:	Detects SilentNet Minecraft stealer fake Fabric mod JAR: fabric.mod.json plus random-named classes directly under com/github/ or net/fabric/ (incl. inner classes), without net/fabricmc/

Rule name:	SilentNet_Loader_Class Create hunting rule
Author:	NyxIndius
Description:	Detects SilentNet Java loader/stealer class: char-arith obfuscation plus launcher, dropper, custom HTTPS/DoH client or Minecraft session reflection