MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb73e911816f024dcbaac92ece4c778331f2c8a4d6939408f5ca4659ce46ab7f. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: cb73e911816f024dcbaac92ece4c778331f2c8a4d6939408f5ca4659ce46ab7f
SHA3-384 hash: b017db2cacf575befe07f9ff828f4b946cf39bb84aa14102aa90b16d05eb133680b9857bc16d25035bca9df9f9a6bf6e
SHA1 hash: 4af2033b571fae2f9a6e7c335f4fa5e24834319c
MD5 hash: 4e2fdfb97f36ad7d5301465508225f2c
humanhash: triple-virginia-lamp-london
File name:client-dupe-1.21.11.jar
Download: download sample
Signature SilentNet
File size:94'319 bytes
First seen:2026-07-04 09:31:53 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 1536:4rbQ5/kmOTvaV/Th7jK7U9Pm6nGOA3PP9xV5SXhM9TNG9S8Qui2H3kduXfdAc:UQ5/kmOORNk6PZnDAH9PsXhykTQuEdu9
TLSH T177930221BC884038DF5F17B4C406CB58FA6956F3DA8AE895E5B00B80D04BD6BCF5759D
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter burger
Tags:jar SilentNet

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
client-dupe-1.21.11.jar
Verdict:
Malicious activity
Analysis date:
2026-07-04 09:31:39 UTC
Tags:
etherhiding silentnet stealer python evasion arch-exec arch-doc openssl tool arch-scr

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File Type:
jar
First seen:
2026-07-04T06:34:00Z UTC
Last seen:
2026-07-05T23:41:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Java.Generic
Result
Threat name:
SilentNet
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Exploit detected, runtime environment starts unknown processes
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential Privilege Escalation using Task Scheduler highest RunLevel
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Schedule system process
Sigma detected: Schtasks Creation Or Modification With SYSTEM Privileges
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected SilentNet
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1937429 Sample: client-dupe-1.21.11.jar Startdate: 04/07/2026 Architecture: WINDOWS Score: 100 126 pypi.org 2->126 128 files.pythonhosted.org 2->128 130 2 other IPs or domains 2->130 154 Suricata IDS alerts for network traffic 2->154 156 Multi AV Scanner detection for dropped file 2->156 158 Multi AV Scanner detection for submitted file 2->158 160 10 other signatures 2->160 12 cmd.exe 1 2->12         started        14 powershell.exe 2->14         started        17 powershell.exe 2->17         started        signatures3 process4 signatures5 19 java.exe 5 12->19         started        22 conhost.exe 12->22         started        176 Loading BitLocker PowerShell Module 14->176 24 conhost.exe 14->24         started        26 conhost.exe 17->26         started        process6 signatures7 162 Found many strings related to Crypto-Wallets (likely being stolen) 19->162 28 javaw.exe 884 19->28         started        process8 dnsIp9 140 150.136.141.142, 443, 49701, 49720 ORACLE-BMC-31898-OracleCorporationUS United States 28->140 142 198.178.224.35, 443, 49699, 49718 LATITUDE-SH-LatitudeshUS United States 28->142 144 185.178.208.191, 443, 49703, 49715 DDOS-GUARDRU Russia 28->144 112 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 28->112 dropped 114 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 28->114 dropped 116 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 28->116 dropped 118 623 other malicious files 28->118 dropped 32 python.exe 218 28->32         started        file10 process11 dnsIp12 120 dualstack.python.map.fastly.net 151.101.0.223, 443, 49724, 49741 FASTLY-FastlyIncUS Canada 32->120 122 151.101.64.175, 443, 49729 FASTLY-FastlyIncUS Canada 32->122 124 2 other IPs or domains 32->124 88 C:\Users\user\AppData\...\tmpz7ltdlpl.tmp, PE32+ 32->88 dropped 90 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 32->90 dropped 92 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 32->92 dropped 94 32 other malicious files 32->94 dropped 146 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 32->146 148 Found many strings related to Crypto-Wallets (likely being stolen) 32->148 150 Tries to harvest and steal browser information (history, passwords, etc) 32->150 152 3 other signatures 32->152 37 pip.exe 32->37         started        39 python.exe 1088 32->39         started        44 python.exe 32->44         started        46 3 other processes 32->46 file13 signatures14 process15 dnsIp16 48 python.exe 37->48         started        51 conhost.exe 37->51         started        132 pypi.org 151.101.128.223, 443, 49738, 49749 FASTLY-FastlyIncUS Canada 39->132 96 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 39->96 dropped 98 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 39->98 dropped 100 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 39->100 dropped 108 378 other malicious files 39->108 dropped 166 Suspicious powershell command line found 39->166 168 Uses schtasks.exe or at.exe to add and modify task schedules 39->168 170 Uses netsh to modify the Windows network and firewall settings 39->170 174 2 other signatures 39->174 53 conhost.exe 39->53         started        134 142.251.156.119 GOOGLE-GoogleLLCUS United States 44->134 136 23.195.101.182 AKAMAI-AS-AkamaiTechnologiesIncUS United States 44->136 138 23.222.125.27 AKAMAI-AS-AkamaiTechnologiesIncUS United States 44->138 102 C:\Recovery\OEM\...\RuntimeBroker.exe, PE32+ 44->102 dropped 104 C:\Users\user\AppData\Local\...\stdole.py, Python 44->104 dropped 106 _78530B68_61F9_11D...A024580902_0_1_0.py, Python 44->106 dropped 110 4 other malicious files 44->110 dropped 172 Adds a directory exclusion to Windows Defender 44->172 55 powershell.exe 44->55         started        58 powershell.exe 44->58         started        60 powershell.exe 44->60         started        62 7 other processes 44->62 file17 signatures18 process19 file20 80 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 48->80 dropped 82 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 48->82 dropped 84 C:\Users\user\AppData\Local\...\win32ts.pyd, PE32+ 48->84 dropped 86 515 other malicious files 48->86 dropped 64 cmd.exe 48->64         started        164 Loading BitLocker PowerShell Module 55->164 66 conhost.exe 55->66         started        68 conhost.exe 58->68         started        70 conhost.exe 60->70         started        72 conhost.exe 62->72         started        74 conhost.exe 62->74         started        76 conhost.exe 62->76         started        78 3 other processes 62->78 signatures21 process22
Threat name:
ByteCode-JAVA.Trojan.Generic
Status:
Suspicious
First seen:
2026-07-04 08:01:30 UTC
File Type:
Binary (Archive)
Extracted files:
13
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Result
Malware family:
silentnet
Score:
  10/10
Tags:
family:silentnet stealer
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:RANSOMWARE
Author:ToroGuitar

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments