MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d6c242ccebb4dc780425c531d8cb3b9fd86d6d230b16aaa496c19b1b64c0dab. 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 11 File information Comments

SHA256 hash:	9d6c242ccebb4dc780425c531d8cb3b9fd86d6d230b16aaa496c19b1b64c0dab
SHA3-384 hash:	4e27bb426f7cb58a7c12be2bcde5762b822834df6cb3e9b7e2a33a3372993409a5c7fb157e7d6672bdc4121200245b1e
SHA1 hash:	834cb795713b55d16532a3edcb02c472fed6fa3c
MD5 hash:	4c42a3db1575468f94d7ffeb900333b1
humanhash:	apart-green-emma-speaker
File name:	Bloom Client.jar
Download:	download sample
Signature	SilentNet Create hunting rule
File size:	2'229'964 bytes
First seen:	2026-10-20 16:12:46 UTC
Last seen:	Never
File type:	jar
MIME type:	application/zip
ssdeep	49152:FzW/+d9MaY5A5Jg0ChiV0kDIZmKD6YiW9XXX7ZuKqWOXXDbx/0wTbWaLwLhBKOc:Fms5JfChVgIZBDhXIKqWOnDbx/FbALhe
TLSH	T1A4A533BA9B22C584D797F6F4E1F6DCE300A89D5011CE02A7F01A49C6E6AC3B0764E55E
TrID	57.4% (.JAR) Java Archive (13500/1/2) 25.5% (.WMZ) Windows Media Player skin (6000/1/1) 17.0% (.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:

Bloom Client.jar

Verdict:

Malicious activity

Analysis date:

2026-10-19 20:47:06 UTC

Tags:

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

Link:

https://app.any.run/tasks/fd8c55ef-9944-4e1d-a929-53d11a5be1f5

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/93146/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.81874892.52469931.UNOFFICIAL

Verdict:

Clean

Score:

89.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad79324afb06e650cd7f154

Tags:

n/a

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/6ad7931deae9923f22ec0185/reports/ae8ba2a0-c89d-43f4-ba32-ea4b7c809ea5/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/9d6c242ccebb4dc780425c531d8cb3b9fd86d6d230b16aaa496c19b1b64c0dab

Verdict:

Clean

File Type:

jar

First seen:

2026-10-20T16:09:00Z UTC

Last seen:

2026-10-22T01:46:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/9d6c242ccebb4dc780425c531d8cb3b9fd86d6d230b16aaa496c19b1b64c0dab/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-tn7bqaby9z/

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/9d6c242ccebb4dc780425c531d8cb3b9fd86d6d230b16aaa496c19b1b64c0dab

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