MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40b1019c2e7579b594807eaec0632d79294ff7b1c42706d2bc80a0e14a0d9126. 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

SHA256 hash: 40b1019c2e7579b594807eaec0632d79294ff7b1c42706d2bc80a0e14a0d9126
SHA3-384 hash: b310e24a7df5536f30300c5fad494d4649754b4aac01873368afbc44d26a0fcbe3dffc6fc0c946e3df2f83d31a4a99bb
SHA1 hash: c055828f1c619c954949441e6203e0854f612aa4
MD5 hash: 78d60d3a08bcb582b0ce93faf9e8000c
humanhash: xray-diet-blossom-mississippi
File name:entityculling-fabric-1.8.2-mc1.21.6.jar
Download: download sample
Signature SilentNet
File size:719'987 bytes
First seen:2026-08-07 18:11:07 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 12288:Qet8RmS/JKhLmtHEzHsym9WyhTKF6n3yXUs6ns2:Qc/gKRIEi9Wqc6CX/y
TLSH T1E7E4C003E9D66BBBC057D33AC0958752F73A8376890DB0CFE538500A2EDD8864B96B5D
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 :
101
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jar
Verdict:
Malicious activity
Analysis date:
2026-08-07 18:16:38 UTC
Tags:
silentnet stealer python evasion arch-exec arch-doc openssl tool

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File Type:
jar
First seen:
2026-08-04T16:16:00Z UTC
Last seen:
2026-08-04T17:00:00Z UTC
Hits:
~10
Result
Threat name:
EtherHiding, SilentNet
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Exploit detected, runtime environment starts unknown processes
Inline Python code execution detected
Joe Sandbox ML detected suspicious sample
Opens the same file many times (likely Sandbox evasion)
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 SilentNet
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1954197 Sample: entityculling-fabric-1.8.2-... Startdate: 07/08/2026 Architecture: WINDOWS Score: 100 82 pypi.org 2->82 84 files.pythonhosted.org 2->84 86 2 other IPs or domains 2->86 98 Suricata IDS alerts for network traffic 2->98 100 Antivirus detection for URL or domain 2->100 102 Yara detected SilentNet 2->102 104 5 other signatures 2->104 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 884 13->17         started        dnsIp7 76 150.136.141.142, 443, 49715 ORACLE-BMC-31898-OracleCorporationUS United States 17->76 78 198.178.224.35, 443, 49713, 49727 LATITUDE-SH-LatitudeshUS United States 17->78 80 185.178.208.191, 443, 49717, 49724 DDOS-GUARDRU Russia 17->80 44 C:\Users\user\AppData\Local\...\python.exe, PE32+ 17->44 dropped 46 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 17->46 dropped 48 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 17->48 dropped 50 623 other files (1 malicious) 17->50 dropped 106 Inline Python code execution detected 17->106 22 python.exe 213 17->22         started        file8 signatures9 process10 dnsIp11 88 132.145.155.63, 443, 49729 ORACLE-BMC-31898-OracleCorporationUS United States 22->88 90 151.101.0.175, 443, 49740 FASTLY-FastlyIncUS Canada 22->90 92 3 other IPs or domains 22->92 60 C:\Users\user\AppData\...\tmp3ufz6g3m.tmp, PE32+ 22->60 dropped 62 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 22->62 dropped 64 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 22->64 dropped 66 30 other files (none is malicious) 22->66 dropped 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->108 110 Tries to harvest and steal browser information (history, passwords, etc) 22->110 112 Writes to foreign memory regions 22->112 114 3 other signatures 22->114 27 pip.exe 22->27         started        29 python.exe 1111 22->29         started        33 conhost.exe 22->33         started        35 chrome.exe 22->35         started        file12 signatures13 process14 dnsIp15 37 python.exe 27->37         started        40 conhost.exe 27->40         started        94 pypi.org 151.101.128.223, 443, 49749, 49757 FASTLY-FastlyIncUS Canada 29->94 96 dualstack.python.map.fastly.net 151.101.64.223, 443, 49751, 49758 FASTLY-FastlyIncUS Canada 29->96 68 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 29->68 dropped 70 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 29->70 dropped 72 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 29->72 dropped 74 389 other files (none is malicious) 29->74 dropped 42 conhost.exe 29->42         started        file16 process17 file18 52 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 37->52 dropped 54 C:\Users\user\AppData\...\taskscheduler.pyd, PE32+ 37->54 dropped 56 C:\Users\user\AppData\Local\...\win32file.pyd, PE32+ 37->56 dropped 58 513 other files (none is malicious) 37->58 dropped
Threat name:
Package.Trojan.Generic
Status:
Suspicious
First seen:
2026-08-05 02:46:26 UTC
File Type:
Package (Java)
Extracted files:
365
AV detection:
4 of 36 (11.11%)
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:dsc
Author:Aaron DeVera
Description:Discord domains
Rule name:RANSOMWARE
Author:ToroGuitar

File information


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

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