MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b01bbecfed17efb2a7a19f91338dec4e6e162afc5c51e7304c9c4e1896e458c. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b01bbecfed17efb2a7a19f91338dec4e6e162afc5c51e7304c9c4e1896e458c
SHA3-384 hash: 4560fed7aafc0311deb37db00487f5f5d83cbdb6dcc8757a54a250e6a3f532378a839ed942b8a1da890da62e8fc13f6e
SHA1 hash: a9fd8f49c8eb70c0e181b647a88e7c29c9d14832
MD5 hash: 7a2a4d115be6f3a3da3e7e227686fe59
humanhash: nebraska-maine-oregon-single
File name:67Client.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:3'598'978 bytes
First seen:2026-07-24 09:59:42 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 98304:MGrjqJXsLGJcqZbsn45n5vkuQ0qQhPuGbxJ12gq:hfqJXsLGzZbs4t2T0bf12D
TLSH T17AF533EB8ADD3C70E813353ECA542C522E76829191CB5C72146CA1EB2A7EE5D1F4B34D
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika zip
Reporter burger
Tags:jar SilentNet

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/75910/
Detection(s):
SecuriteInfo.com.Spam-148765.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6b01bbecfed17efb2a7a19f91338dec4e6e162afc5c51e7304c9c4e1896e458c
Verdict:
Malicious
File Type:
jar
First seen:
2026-07-21T23:12:00Z UTC
Last seen:
2026-07-26T02:05:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/6b01bbecfed17efb2a7a19f91338dec4e6e162afc5c51e7304c9c4e1896e458c/results?tab=lookup
Result
Threat name:
SilentNet
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1947571
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
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 many files with high entropy
Writes to foreign memory regions
Yara detected SilentNet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1947571 Sample: 67Client.jar Startdate: 24/07/2026 Architecture: WINDOWS Score: 100 85 pypi.org 2->85 87 files.pythonhosted.org 2->87 89 2 other IPs or domains 2->89 101 Suricata IDS alerts for network traffic 2->101 103 Antivirus detection for URL or domain 2->103 105 Multi AV Scanner detection for submitted file 2->105 107 6 other signatures 2->107 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 79 132.145.155.63, 443, 49714, 49724 ORACLE-BMC-31898-OracleCorporationUS United States 17->79 81 185.209.176.58, 443, 49711, 49722 LATITUDE-SH-LatitudeshUS United States 17->81 83 185.178.208.191, 443, 49718, 49719 DDOS-GUARDRU Russia 17->83 47 C:\Users\user\AppData\Local\...\python.exe, PE32+ 17->47 dropped 49 C:\Users\user\AppData\Local\...\python312.zip, Zip 17->49 dropped 51 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 17->51 dropped 53 624 other files (none is malicious) 17->53 dropped 21 python.exe 213 17->21         started        file8 process9 dnsIp10 91 151.101.128.175, 443, 49734 FASTLY-FastlyIncUS Canada 21->91 93 151.101.128.223, 443, 49728 FASTLY-FastlyIncUS Canada 21->93 95 2 other IPs or domains 21->95 55 C:\Users\user\AppData\Local\...\python.exe, PE32+ 21->55 dropped 57 C:\Users\user\AppData\...\tmp_x6bwsp2q.zip, Zip 21->57 dropped 59 C:\Users\user\AppData\Local\...\python312.zip, Zip 21->59 dropped 61 32 other files (none is malicious) 21->61 dropped 109 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 21->109 111 Tries to harvest and steal browser information (history, passwords, etc) 21->111 113 Writes to foreign memory regions 21->113 115 3 other signatures 21->115 26 python.exe 1088 21->26         started        31 pip.exe 21->31         started        33 conhost.exe 21->33         started        35 chrome.exe 21->35         started        file11 signatures12 process13 dnsIp14 99 pypi.org 151.101.64.223, 443, 49746, 49747 FASTLY-FastlyIncUS Canada 26->99 71 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 26->71 dropped 73 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 26->73 dropped 75 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 26->75 dropped 77 378 other files (none is malicious) 26->77 dropped 117 Writes many files with high entropy 26->117 37 conhost.exe 26->37         started        39 cmd.exe 26->39         started        41 python.exe 31->41         started        45 conhost.exe 31->45         started        file15 signatures16 process17 dnsIp18 97 151.101.192.223, 443, 49753 FASTLY-FastlyIncUS Canada 41->97 63 95ad9cf1790ae51303...729f24d.body (copy), Python 41->63 dropped 65 750721289c257d7ef1...c2c8a0f.body (copy), Python 41->65 dropped 67 49583e7972e864a609...ef5e4e7.body (copy), Python 41->67 dropped 69 31 other files (14 malicious) 41->69 dropped file19
Score:
31%
Verdict:
Susipicious
File Type:
ARCHIVE
Link:
https://malprob.io/report/6b01bbecfed17efb2a7a19f91338dec4e6e162afc5c51e7304c9c4e1896e458c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b01bbecfed17efb2a7a19f91338dec4e6e162afc5c51e7304c9c4e1896e458c/
Threat name:
ByteCode-JAVA.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2026-07-22 05:13:49 UTC
File Type:
Binary (Archive)
Extracted files:
430
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nma3x3h62f7pwkt2dh4rgog6yttocyvpyxcr44yezhcodcloiwga._file
Result
Malware family:
silentnet
Create hunting rule
Score:
  10/10
Tags:
family:silentnet stealer
Link:
https://tria.ge/reports/260724-l2ff6awyfv/
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/6b01bbecfed17efb2a7a19f91338dec4e6e162afc5c51e7304c9c4e1896e458c

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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/75910/

Comments