MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a7f4beae49748f6aa4234b676b4b150a43c4ac4e3208deeb131bc984df09a70. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 0a7f4beae49748f6aa4234b676b4b150a43c4ac4e3208deeb131bc984df09a70
SHA3-384 hash: 50e71d3507566682fea30bd7b46ff9812c2bd68b21da5545cfca373583cc9b4c39fcfbf47e86812ec4ede545df5bd912
SHA1 hash: 6852cbc673f484e96c910e754d209e0ae5ea97e2
MD5 hash: 93f5bf2e04d605040511470753f0e5e6
humanhash: bluebird-floor-queen-whiskey
File name:KryptonClient.jar
Download: download sample
Signature SilentNet
File size:88'507 bytes
First seen:2026-06-28 08:20:03 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 1536:eWMi6V2opklonPYTP+gYfAuWzhBqDD5p8JJfaozKsqy50QeevTHl:dMi6hMonQlVzaDM2TsqNYLF
TLSH T1FD8302953636D813C1E61A34E16CABF2BF3CECA5D479400342690EDE5474C78B194EAF
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 :
104
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
KryptonClient.jar
Verdict:
Malicious activity
Analysis date:
2026-06-27 20:06:54 UTC
Tags:
silentnet stealer etherhiding 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
Score:
96.5%
Tags:
virus java
Verdict:
Malicious
File Type:
jar
First seen:
2026-06-25T19:54:00Z UTC
Last seen:
2026-06-29T18:07:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Java.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.expl.evad
Score:
100 / 100
Signature
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)
Inline Python code execution detected
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1934622 Sample: KryptonClient.jar Startdate: 28/06/2026 Architecture: WINDOWS Score: 100 80 thisisafalsepositive.st 2->80 82 pypi.org 2->82 84 3 other IPs or domains 2->84 100 Suricata IDS alerts for network traffic 2->100 102 Multi AV Scanner detection for submitted file 2->102 104 Exploit detected, runtime environment starts unknown processes 2->104 106 4 other signatures 2->106 12 cmd.exe 1 2->12         started        signatures3 process4 process5 14 java.exe 5 12->14         started        17 conhost.exe 12->17         started        signatures6 118 Found many strings related to Crypto-Wallets (likely being stolen) 14->118 19 javaw.exe 884 14->19         started        process7 dnsIp8 86 132.145.155.63, 443, 49690, 49711 ORACLE-BMC-31898-OracleCorporationUS United States 19->86 88 198.178.224.35, 443, 49688, 49709 LATITUDE-SH-LatitudeshUS United States 19->88 90 thisisafalsepositive.st 185.178.208.191, 443, 49692, 49706 DDOS-GUARDRU Russia 19->90 48 C:\Users\user\AppData\Local\...\python.exe, PE32+ 19->48 dropped 50 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 19->50 dropped 52 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 19->52 dropped 54 623 other files (1 malicious) 19->54 dropped 108 Inline Python code execution detected 19->108 24 python.exe 213 19->24         started        file9 signatures10 process11 dnsIp12 92 151.101.128.175, 443, 49720 FASTLY-FastlyIncUS Canada 24->92 94 dualstack.python.map.fastly.net 151.101.128.223, 443, 49715, 49734 FASTLY-FastlyIncUS Canada 24->94 96 2 other IPs or domains 24->96 56 C:\Users\user\AppData\...\tmp5q0rhhc3.tmp, PE32+ 24->56 dropped 58 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 24->58 dropped 60 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 24->60 dropped 62 30 other files (none is malicious) 24->62 dropped 110 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->110 112 Found many strings related to Crypto-Wallets (likely being stolen) 24->112 114 Tries to harvest and steal browser information (history, passwords, etc) 24->114 116 3 other signatures 24->116 29 python.exe 1088 24->29         started        33 pip.exe 24->33         started        35 conhost.exe 24->35         started        37 chrome.exe 24->37         started        file13 signatures14 process15 dnsIp16 98 pypi.org 151.101.64.223, 443, 49732, 49737 FASTLY-FastlyIncUS Canada 29->98 72 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 29->72 dropped 74 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 29->74 dropped 76 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 29->76 dropped 78 378 other files (none is malicious) 29->78 dropped 39 conhost.exe 29->39         started        41 python.exe 33->41         started        44 conhost.exe 33->44         started        file17 process18 file19 64 95ad9cf1790ae51303...729f24d.body (copy), Python 41->64 dropped 66 750721289c257d7ef1...c2c8a0f.body (copy), Python 41->66 dropped 68 49583e7972e864a609...ef5e4e7.body (copy), Python 41->68 dropped 70 17 other files (none is malicious) 41->70 dropped 46 cmd.exe 41->46         started        process20
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2026-06-25 12:06:00 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
7 of 36 (19.44%)
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