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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ebc670c78771f5d01e4ad2fbe072027db9dab1f87968c2ef5e195f409ee6ed4f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ebc670c78771f5d01e4ad2fbe072027db9dab1f87968c2ef5e195f409ee6ed4f
SHA3-384 hash: a271521c3c7b3f9136486fcdebeab9f35faf99debed3ca931e006c16f754e5d3594a994a4c31b06ffb32875ada077a21
SHA1 hash: 71f3e336e283835aedbb1c0502bb415ceac588c5
MD5 hash: 87fec4a12a58184260df43122b0591b7
humanhash: floor-mockingbird-black-mango
File name:CattiDupes.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:918'781 bytes
First seen:2026-10-17 08:14:33 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 24576:4EzngBJWCHVnw4u8y1BoPeduSaWMFbwGhw6NxWJs0hm:4onoHVw4cBoUcFbFjNxAm
TLSH T15F153320DE433CB8F7D171BE4152F5BC817C587943EBA8E32CA2722D2BA059636B2755
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 :
1
# of downloads :
93
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jar
Verdict:
Malicious activity
Analysis date:
2026-10-17 08:18:55 UTC
Tags:
silentnet stealer etherhiding evasion python arch-exec arch-doc auto generic openssl tool
Link:
https://app.any.run/tasks/6d311dbf-a991-44b4-bcbb-29ae4f685a50

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/92350/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad32eac6f551121ba16a637
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6ad32ea08541e93d850ef401/reports/4d75717e-6ee9-49bd-bfd0-f660d70e9b01/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ebc670c78771f5d01e4ad2fbe072027db9dab1f87968c2ef5e195f409ee6ed4f
Result
Malware family:
Silentnet
Create hunting rule
Verdict:
Malicious
Trusted hash?:
False
File:
11
Classes:
8
Nested archives:
0
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
Link:
https://opentip.kaspersky.com/ebc670c78771f5d01e4ad2fbe072027db9dab1f87968c2ef5e195f409ee6ed4f/results?tab=lookup
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/ebc670c78771f5d01e4ad2fbe072027db9dab1f87968c2ef5e195f409ee6ed4f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ebc670c78771f5d01e4ad2fbe072027db9dab1f87968c2ef5e195f409ee6ed4f/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-17 08:16:06 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
4 of 23 (17.39%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5pdhbr4hoh25ahsk2l56a4qcpw45vmpypfumf326dfpubhxg5vhq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/261017-j5sjsazvcz/
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/ebc670c78771f5d01e4ad2fbe072027db9dab1f87968c2ef5e195f409ee6ed4f

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

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 ebc670c78771f5d01e4ad2fbe072027db9dab1f87968c2ef5e195f409ee6ed4f

(this sample)

  
Dropping
SilentNet
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/92350/

Comments