MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09b4fcab98b3288dd1e7f586a1aa0edce9737bdbc32a889dc5a57dc4eb20546f. 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 2 File information Comments

SHA256 hash: 09b4fcab98b3288dd1e7f586a1aa0edce9737bdbc32a889dc5a57dc4eb20546f
SHA3-384 hash: 7eb68e9bcb340a74d08a18d2f9e9a31a42bd7afd01efbdc0ce267e500a4f6ada8b3e9554e574593572248dbfac9b670c
SHA1 hash: 1998235767dc86656ecabadcb124ad6c9436762d
MD5 hash: fdb078c737c4710932d64f1be5459e83
humanhash: indigo-nineteen-single-cold
File name:Prestige1.21-1.21.11.jar
Download: download sample
Signature SilentNet
File size:1'597'749 bytes
First seen:2026-07-10 10:16:06 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 49152:l7Gs18zeNIdhKr2lWNraMEzHwJNAXvX5vgBK09kiX:l7GG8zeNcha2YhjovX5IQ09r
TLSH T1B67533B909BE731DCFA3D9E1A2E5850C3D682BDB264F11B4B7690B40CDB9103DC629B5
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 :
155
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
Prestige1.21-1.21.11.jar
Verdict:
Malicious activity
Analysis date:
2026-07-10 10:15:30 UTC
Tags:
silentnet stealer evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File Type:
jar
First seen:
2026-07-10T07:23:00Z UTC
Last seen:
2026-07-11T22:01:00Z 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
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: 1940483 Sample: Prestige1.21-1.21.11.jar Startdate: 10/07/2026 Architecture: WINDOWS Score: 100 115 pypi.org 2->115 117 files.pythonhosted.org 2->117 119 2 other IPs or domains 2->119 137 Suricata IDS alerts for network traffic 2->137 139 Multi AV Scanner detection for dropped file 2->139 141 Yara detected SilentNet 2->141 143 9 other signatures 2->143 12 cmd.exe 1 2->12         started        14 powershell.exe 2->14         started        signatures3 process4 process5 16 java.exe 5 12->16         started        19 conhost.exe 12->19         started        21 conhost.exe 14->21         started        signatures6 135 Found many strings related to Crypto-Wallets (likely being stolen) 16->135 23 javaw.exe 884 16->23         started        process7 dnsIp8 123 150.136.141.142, 443, 49704, 49719 ORACLE-BMC-31898-OracleCorporationUS United States 23->123 125 198.178.224.35, 443, 49700, 49717 LATITUDE-SH-LatitudeshUS United States 23->125 127 185.178.208.191, 443, 49712, 49714 DDOS-GUARDRU Russia 23->127 91 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 23->91 dropped 93 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 23->93 dropped 95 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 23->95 dropped 97 623 other malicious files 23->97 dropped 27 python.exe 218 23->27         started        file9 process10 dnsIp11 129 dualstack.python.map.fastly.net 151.101.128.223, 443, 49723, 49744 FASTLY-FastlyIncUS Canada 27->129 131 151.101.192.175, 443, 49729 FASTLY-FastlyIncUS Canada 27->131 133 2 other IPs or domains 27->133 107 C:\Users\user\AppData\...\tmp1r2uxjs3.tmp, PE32+ 27->107 dropped 109 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 27->109 dropped 111 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 27->111 dropped 113 32 other malicious files 27->113 dropped 157 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->157 159 Found many strings related to Crypto-Wallets (likely being stolen) 27->159 161 Tries to harvest and steal browser information (history, passwords, etc) 27->161 163 3 other signatures 27->163 32 pip.exe 27->32         started        34 python.exe 1088 27->34         started        39 python.exe 27->39         started        41 2 other processes 27->41 file12 signatures13 process14 dnsIp15 43 python.exe 32->43         started        46 conhost.exe 32->46         started        121 pypi.org 151.101.64.223, 443, 49742, 49747 FASTLY-FastlyIncUS Canada 34->121 75 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 34->75 dropped 77 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 34->77 dropped 79 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 34->79 dropped 87 378 other malicious files 34->87 dropped 145 Suspicious powershell command line found 34->145 147 Uses schtasks.exe or at.exe to add and modify task schedules 34->147 149 Uses netsh to modify the Windows network and firewall settings 34->149 153 2 other signatures 34->153 48 conhost.exe 34->48         started        50 cmd.exe 34->50         started        81 C:\Recovery\OEM\...\RuntimeBroker.exe, PE32+ 39->81 dropped 83 C:\Users\user\AppData\Local\...\stdole.py, Python 39->83 dropped 85 _78530B68_61F9_11D...A024580902_0_1_0.py, Python 39->85 dropped 89 4 other malicious files 39->89 dropped 151 Adds a directory exclusion to Windows Defender 39->151 52 powershell.exe 39->52         started        55 powershell.exe 39->55         started        57 netsh.exe 39->57         started        59 5 other processes 39->59 file16 signatures17 process18 file19 99 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 43->99 dropped 101 C:\Users\user\AppData\...\cffi-gen-src.exe, PE32+ 43->101 dropped 103 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 43->103 dropped 105 525 other malicious files 43->105 dropped 155 Loading BitLocker PowerShell Module 52->155 61 conhost.exe 52->61         started        63 conhost.exe 55->63         started        65 conhost.exe 57->65         started        67 conhost.exe 59->67         started        69 conhost.exe 59->69         started        71 conhost.exe 59->71         started        73 conhost.exe 59->73         started        signatures20 process21
Threat name:
ByteCode-JAVA.Trojan.Generic
Status:
Suspicious
First seen:
2026-07-10 10:16:11 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
5 of 37 (13.51%)
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: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