MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 837dccdbfc19f4afa537658b13cb99e23091a3faea7a89e8dfed0a86973ea56a. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 837dccdbfc19f4afa537658b13cb99e23091a3faea7a89e8dfed0a86973ea56a
SHA3-384 hash: 92307182e635ffcf1ecf968c9435c23d70d78d67b4437651d9f46045f366066917df4dd06d4e9ec49c29c52e65c887c3
SHA1 hash: 7a599908b8bdd19c3f64e92dddfad21f24136c36
MD5 hash: b113b63bbed731e023582b1a4b4f2fdb
humanhash: grey-three-arkansas-table
File name:meteorclient-1.21.11-84.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:1'466'573 bytes
First seen:2026-08-09 08:43:09 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 24576:kmQTmEszU6vyggbFFmZvAkm4TSNdGb28Fx6iU389qgAP2yIpt/iFpfE01GVdGWMU:kmQT0Uwy3FwTkGPmikGqVOjiPc0mdGWP
TLSH T10B65338FD2D304514966EE1F3D68064735BC4699A70530F32F60EA78CF1CCEEAA926D4
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 :
82
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jar
Verdict:
Malicious activity
Analysis date:
2026-08-09 08:45:29 UTC
Tags:
silentnet stealer python arch-exec arch-doc openssl tool
Link:
https://app.any.run/tasks/8b65e162-c1fe-4e53-9af4-362abfa1bda5

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/79344/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.81058298.9564.30178.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a783db024c2208cb99f0f0f/reports/cf1c8290-22ec-4f69-9926-e16272d7e008/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/837dccdbfc19f4afa537658b13cb99e23091a3faea7a89e8dfed0a86973ea56a
Verdict:
Malicious
File Type:
jar
First seen:
2026-08-04T20:01:00Z UTC
Last seen:
2026-08-05T05:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/837dccdbfc19f4afa537658b13cb99e23091a3faea7a89e8dfed0a86973ea56a/results?tab=lookup
Result
Threat name:
SilentNet
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1954556
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
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 Python Keylogger
Yara detected SilentNet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1954556 Sample: meteorclient-1.21.11-84.jar Startdate: 09/08/2026 Architecture: WINDOWS Score: 100 120 pypi.org 2->120 122 files.pythonhosted.org 2->122 124 2 other IPs or domains 2->124 156 Suricata IDS alerts for network traffic 2->156 158 Multi AV Scanner detection for dropped file 2->158 160 Multi AV Scanner detection for submitted file 2->160 162 11 other signatures 2->162 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        21 conhost.exe 12->21         started        176 Loading BitLocker PowerShell Module 14->176 23 conhost.exe 14->23         started        25 conhost.exe 17->25         started        process6 process7 27 javaw.exe 884 19->27         started        dnsIp8 134 150.136.141.142, 443, 49713 ORACLE-BMC-31898-OracleCorporationUS United States 27->134 136 198.178.224.35, 443, 49711, 49726 LATITUDE-SH-LatitudeshUS United States 27->136 138 185.178.208.191, 443, 49715, 49723 DDOS-GUARDRU Russia 27->138 112 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 27->112 dropped 114 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 27->114 dropped 116 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 27->116 dropped 118 623 other malicious files 27->118 dropped 31 python.exe 218 27->31         started        file9 process10 dnsIp11 140 132.145.155.63, 443, 49728 ORACLE-BMC-31898-OracleCorporationUS United States 31->140 142 pypi.org 151.101.128.223, 443, 49732, 49748 FASTLY-FastlyIncUS Canada 31->142 144 3 other IPs or domains 31->144 80 C:\Users\user\AppData\...\tmpc415tvtl.tmp, PE32+ 31->80 dropped 82 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 31->82 dropped 84 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 31->84 dropped 86 32 other malicious files 31->86 dropped 148 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->148 150 Tries to harvest and steal browser information (history, passwords, etc) 31->150 152 Writes to foreign memory regions 31->152 154 2 other signatures 31->154 36 pip.exe 31->36         started        38 python.exe 1111 31->38         started        43 python.exe 31->43         started        45 2 other processes 31->45 file12 signatures13 process14 dnsIp15 47 python.exe 36->47         started        51 conhost.exe 36->51         started        126 dualstack.python.map.fastly.net 151.101.64.223, 443, 49750 FASTLY-FastlyIncUS Canada 38->126 96 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 38->96 dropped 98 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 38->98 dropped 100 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 38->100 dropped 108 389 other malicious files 38->108 dropped 166 Suspicious powershell command line found 38->166 168 Uses schtasks.exe or at.exe to add and modify task schedules 38->168 170 Uses netsh to modify the Windows network and firewall settings 38->170 174 2 other signatures 38->174 53 conhost.exe 38->53         started        128 142.251.151.119 GOOGLE-GoogleLLCUS United States 43->128 130 104.16.249.249 CLOUDFLARENET-CloudflareIncUS Canada 43->130 132 2 other IPs or domains 43->132 102 C:\Recovery\OEM\...\RuntimeBroker.exe, PE32+ 43->102 dropped 104 C:\Users\user\AppData\Local\...\stdole.py, Python 43->104 dropped 106 _78530B68_61F9_11D...A024580902_0_1_0.py, Python 43->106 dropped 110 4 other malicious files 43->110 dropped 172 Adds a directory exclusion to Windows Defender 43->172 55 powershell.exe 43->55         started        58 powershell.exe 43->58         started        60 powershell.exe 43->60         started        62 7 other processes 43->62 file16 signatures17 process18 dnsIp19 146 151.101.0.223, 443, 49755 FASTLY-FastlyIncUS Canada 47->146 88 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 47->88 dropped 90 C:\Users\user\AppData\...\cffi-gen-src.exe, PE32+ 47->90 dropped 92 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 47->92 dropped 94 486 other malicious files 47->94 dropped 64 cmd.exe 47->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 file20 signatures21 process22
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/837dccdbfc19f4afa537658b13cb99e23091a3faea7a89e8dfed0a86973ea56a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/837dccdbfc19f4afa537658b13cb99e23091a3faea7a89e8dfed0a86973ea56a/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-08-04 04:23:07 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qn64zw74dh2k7jjxmwfrhs4z4iyjdi725j5it2g75ufinfz6uvva._file
Result
Malware family:
silentnet
Create hunting rule
Score:
  10/10
Tags:
family:silentnet stealer
Link:
https://tria.ge/reports/260809-kmsmhatgjh/
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/837dccdbfc19f4afa537658b13cb99e23091a3faea7a89e8dfed0a86973ea56a

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
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar

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 837dccdbfc19f4afa537658b13cb99e23091a3faea7a89e8dfed0a86973ea56a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/79344/
  
URLhaus
https://urlhaus.abuse.ch/url/3900241/
  
Delivery method
Distributed via web download

Comments