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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b521dfb7d878130d7aa22f47ccb493722bcd8bcd0888031d7a8b2bfa22ab69e9. 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: 6


Intelligence 6 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b521dfb7d878130d7aa22f47ccb493722bcd8bcd0888031d7a8b2bfa22ab69e9
SHA3-384 hash: 05145ef1b1effa5f363edc60f045aafcacaafe223391c326905f71dc313edacb0bf0d272a2a6daba0627194cd4648585
SHA1 hash: 1a9fb6a15e92a90ed14d566094bdb9617423bdfe
MD5 hash: c1afdabb2503f4e44ec60fd2af069a88
humanhash: fanta-cold-emma-cold
File name:crazycat256-meteor-satellite-addon.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:1'180'902 bytes
First seen:2026-10-27 12:23:15 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 24576:UYPBSLR14tCd7bqVF4sWjH0D2+OQCXNdWB8ZQMwxyu3Sf:Uo6n9d7+r4hH627pXNd2e+yEu
TLSH T161453325468A6464DCEAF7BC55DAB5CBBC1D0844A333E9AB116F430FCE3E39569E008D
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter GhostTypes
Tags:jar SilentNet


Avatar
GhostTypes
Fake "Meteor Satellite" addon (impersonates crazycat256/MeteorSatellite) from malware clone site meteoraddons.net/downloads/. Re-stamped loader: 8 obfuscated net/fabric/ classes + decoy blob assets/hzscqkno.tmp; fabric.mod.json id crazycat-meteor-satellite (template mix-up family). bbmmd: sn-loader-v3 gen-5. C1: Polygon contract 0x9c0a507300fd902787bb193d80fca5ce6e1bff9a, fallback thisisafalsepositive.st, beacon /shard/prefireMc, campaign UUID a2ff6489-0b60-4571-bff5-537d5a173c45. Origin: github.com/bedful39-creator/Meteor-Sites downloads/ dir.

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jar
Verdict:
Malicious activity
Analysis date:
2026-10-27 13:50:14 UTC
Tags:
silentnet stealer etherhiding evasion auto arch-exec arch-doc python generic openssl tool
Link:
https://app.any.run/tasks/f5851608-faa2-419b-ba3f-cf7c334e9663

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/95464/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae097c23a56bbccb37becbc
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6ae097f3002e9181fef02257/reports/2094d38c-c1a3-404c-b2ee-f263ff24bda3/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b521dfb7d878130d7aa22f47ccb493722bcd8bcd0888031d7a8b2bfa22ab69e9
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:
Unknown
File Type:
jar
Link:
https://opentip.kaspersky.com/b521dfb7d878130d7aa22f47ccb493722bcd8bcd0888031d7a8b2bfa22ab69e9/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/1992774
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
Modifies the windows firewall
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: 1992774 Sample: crazycat256-meteor-satellit... Startdate: 27/10/2026 Architecture: WINDOWS Score: 100 115 files.pythonhosted.org 2->115 117 pypi.org 2->117 119 2 other IPs or domains 2->119 149 Suricata IDS alerts for network traffic 2->149 151 Yara detected SilentNet 2->151 153 Yara detected Python Keylogger 2->153 155 8 other signatures 2->155 12 cmd.exe 1 2->12         started        14 powershell.exe 2->14         started        16 powershell.exe 2->16         started        signatures3 process4 process5 18 java.exe 5 12->18         started        20 conhost.exe 12->20         started        22 conhost.exe 14->22         started        24 conhost.exe 16->24         started        process6 26 javaw.exe 884 18->26         started        dnsIp7 131 185.178.208.191, 443, 49703, 49715 DDOS-GUARDRU Russia 26->131 133 104.20.46.180, 443, 49700 CLOUDFLARENET-CloudflareIncUS Canada 26->133 99 C:\Users\user\AppData\Local\...\python.exe, PE32+ 26->99 dropped 101 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 26->101 dropped 103 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 26->103 dropped 105 623 other files (none is malicious) 26->105 dropped 30 python.exe 217 26->30         started        file8 process9 dnsIp10 135 64.31.48.194, 443, 49720 LIMESTONENETWORKS-LimestoneNetworksIncUS Japan 30->135 137 198.178.224.35, 443, 49718 LATITUDE-SH-LatitudeshUS United States 30->137 139 4 other IPs or domains 30->139 107 C:\Users\user\AppData\Local\...\python.exe, PE32+ 30->107 dropped 109 C:\Users\user\AppData\Local\...\main.py, Python 30->109 dropped 111 C:\Users\user\AppData\...\tmps9xsfrfb.tmp, PE32+ 30->111 dropped 113 32 other files (none is malicious) 30->113 dropped 141 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->141 143 Tries to harvest and steal browser information (history, passwords, etc) 30->143 145 Writes to foreign memory regions 30->145 147 2 other signatures 30->147 35 python.exe 1118 30->35         started        40 pip.exe 30->40         started        42 python.exe 30->42         started        44 2 other processes 30->44 file11 signatures12 process13 dnsIp14 121 dualstack.python.map.fastly.net 151.101.0.223, 443, 49742, 49748 FASTLY-FastlyIncUS Canada 35->121 123 pypi.org 151.101.192.223, 443, 49741, 49747 FASTLY-FastlyIncUS Canada 35->123 83 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 35->83 dropped 85 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 35->85 dropped 87 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 35->87 dropped 95 390 other files (none is malicious) 35->95 dropped 157 Suspicious powershell command line found 35->157 159 Uses schtasks.exe or at.exe to add and modify task schedules 35->159 161 Uses netsh to modify the Windows network and firewall settings 35->161 165 2 other signatures 35->165 46 conhost.exe 35->46         started        48 python.exe 40->48         started        51 conhost.exe 40->51         started        125 208.91.109.46 TERASWITCH-TeraSwitchNetworksIncUS Japan 42->125 127 142.251.153.119 GOOGLE-GoogleLLCUS United States 42->127 129 3 other IPs or domains 42->129 89 C:\Recovery\OEM\...\RuntimeBroker.exe, PE32+ 42->89 dropped 91 C:\Users\user\AppData\Local\...\stdole.py, Python 42->91 dropped 93 _78530B68_61F9_11D...A024580902_0_1_0.py, Python 42->93 dropped 97 4 other files (none is malicious) 42->97 dropped 163 Adds a directory exclusion to Windows Defender 42->163 53 powershell.exe 42->53         started        55 powershell.exe 42->55         started        57 powershell.exe 42->57         started        59 12 other processes 42->59 file15 signatures16 process17 file18 75 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 48->75 dropped 77 C:\Users\user\AppData\...\cffi-gen-src.exe, PE32+ 48->77 dropped 79 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 48->79 dropped 81 475 other files (none is malicious) 48->81 dropped 61 conhost.exe 53->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 8 other processes 59->73 process19
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/b521dfb7d878130d7aa22f47ccb493722bcd8bcd0888031d7a8b2bfa22ab69e9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b521dfb7d878130d7aa22f47ccb493722bcd8bcd0888031d7a8b2bfa22ab69e9/
Threat name:
Win32.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-10-27 12:24:27 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wuq57n6ypajq26vcf5d4znetoiv43c6nbceaghl2rmv7uivlnhuq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/261027-pk65bstxey/
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/b521dfb7d878130d7aa22f47ccb493722bcd8bcd0888031d7a8b2bfa22ab69e9

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 b521dfb7d878130d7aa22f47ccb493722bcd8bcd0888031d7a8b2bfa22ab69e9

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/95464/

Comments