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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 143a3aebb7d366cf85a34744b528e497dea2d9ad58408370c7ebf0867b63b32d. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 143a3aebb7d366cf85a34744b528e497dea2d9ad58408370c7ebf0867b63b32d
SHA3-384 hash: 3d036f3bc0f1fdb15b1ee23c0f0e7537f72f4fbc8f70fbbbdab509b7dd6045a5db364d560aa951ad7354db48c05e614e
SHA1 hash: 0d88ef8ea09b576b0355ee6260416eed6751fa6e
MD5 hash: 232047b0878d15e8b98983447fcce4f2
humanhash: delta-snake-twenty-tennis
File name:donutdupe-3.0-1.21.11.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:22'740'816 bytes
First seen:2026-11-13 16:20:45 UTC
Last seen:Never
File type:Java file jar
MIME type:application/java-archive
ssdeep 393216:3Zyg+VygbGBwlEHanuEptgKxKFoUKUGXN3Fs6lI3LYz7TNtIusYsjsP2gOtGH:3Zfr6nuEpq2KdKUGXN3Fp4+nNtIM6seC
TLSH T19D373376BA4C153AE477D334E5840FD1BE3B42C88146B15F7FB05186A9864CB2F8A2DB
TrID 57.8% (.JAR) Minecraft Fabric Mod (24020/2/4)
32.5% (.JAR) Java Archive (13500/1/2)
9.6% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter wok
Tags:jar java Python SilentNet

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
AT AT
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jar
Verdict:
No threats detected
Analysis date:
2026-11-13 16:30:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6c795562-326b-4a41-8b05-b7ef36711ace

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/99856/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af739070a71acf937da7615
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug obfuscated
Link:
https://www.filescan.io/uploads/6af738f7da5e6dd604e8bfa0/reports/28c56eb8-86f4-4b93-90e7-f832de7355ef/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/143a3aebb7d366cf85a34744b528e497dea2d9ad58408370c7ebf0867b63b32d
Result
Malware family:
Silentnet
Create hunting rule
Verdict:
Malicious
Trusted hash?:
False
File:
1'165
Classes:
1'058
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.
Bundled native library: The archive contains code that runs outside the JVM sandbox.
External process execution: ProcessBuilder can execute operating-system commands.
User-Agent: May indicate outbound HTTP requests or client impersonation.
Native library loading: The class invokes a JVM API that loads platform-native code.
ProGuard: An archive path matches a known obfuscator signature.
Zelix KlassMaster: A string matches a known obfuscator signature.
Result
Threat name:
EtherHiding, SilentNet
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/2005516
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Exploit detected, runtime environment starts unknown processes
Joe Sandbox ML detected suspicious sample
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected EtherHiding
Yara detected SilentNet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2005516 Sample: donutdupe-3.0-1.21.11.jar Startdate: 13/11/2026 Architecture: WINDOWS Score: 100 64 pypi.org 2->64 66 files.pythonhosted.org 2->66 68 2 other IPs or domains 2->68 80 Suricata IDS alerts for network traffic 2->80 82 Yara detected SilentNet 2->82 84 Yara detected EtherHiding 2->84 86 4 other signatures 2->86 11 cmd.exe 1 2->11         started        signatures3 process4 process5 13 java.exe 5 11->13         started        15 conhost.exe 11->15         started        process6 17 javaw.exe 915 13->17         started        dnsIp7 60 172.66.146.203, 443, 49702 CLOUDFLARENET-CloudflareIncUS Canada 17->60 62 185.178.208.191, 443, 49705, 49714 DDOS-GUARDRU Russia 17->62 36 C:\Users\user\AppData\Local\...\python.exe, PE32+ 17->36 dropped 38 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 17->38 dropped 40 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 17->40 dropped 42 648 other files (none is malicious) 17->42 dropped 21 python.exe 211 17->21         started        file8 process9 dnsIp10 70 64.130.32.46, 443, 49719 TERASWITCH-TeraSwitchNetworksIncUS Germany 21->70 72 198.178.224.35, 443, 49717 LATITUDE-SH-LatitudeshUS United States 21->72 74 4 other IPs or domains 21->74 44 C:\Users\user\AppData\...\tmp6448o8ll.tmp, PE32+ 21->44 dropped 46 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 21->46 dropped 48 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 21->48 dropped 50 30 other files (none is malicious) 21->50 dropped 88 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 21->88 90 Tries to harvest and steal browser information (history, passwords, etc) 21->90 92 Writes to foreign memory regions 21->92 94 2 other signatures 21->94 26 python.exe 1272 21->26         started        30 conhost.exe 21->30         started        32 chrome.exe 21->32         started        file11 signatures12 process13 dnsIp14 76 dualstack.python.map.fastly.net 151.101.0.223, 443, 49731 FASTLY-FastlyIncUS Canada 26->76 78 pypi.org 151.101.192.223, 443, 49730 FASTLY-FastlyIncUS Canada 26->78 52 C:\Users\user\AppData\Local\Temp\...\wait.py, Python 26->52 dropped 54 C:\Users\user\AppData\Local\Temp\...\util.py, Python 26->54 dropped 56 C:\Users\user\AppData\Local\Temp\...\url.py, Python 26->56 dropped 58 574 other files (none is malicious) 26->58 dropped 34 conhost.exe 26->34         started        file15 process16
Score:
2%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/143a3aebb7d366cf85a34744b528e497dea2d9ad58408370c7ebf0867b63b32d
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cq5dv25x2ntm7bndi5clkkhes7pkfwnnlbaig4gh5pyim63dwmwq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/261113-ttpnvsdx2n/
Malware Family:
java
Create hunting rule
Malicious:
True
Tags:
jar
Link:
https://intel.virussign.com/intelligence/file/143a3aebb7d366cf85a34744b528e497dea2d9ad58408370c7ebf0867b63b32d
Please note that we are no longer able to provide a coverage score for Virus Total.

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

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 143a3aebb7d366cf85a34744b528e497dea2d9ad58408370c7ebf0867b63b32d

(this sample)

  
Dropping
SilentNet
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/99856/

Comments