MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17eba8be5d1884aff56925a266737bf99bba73ca7fec3bdf269d15d0bb952695. 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: 17eba8be5d1884aff56925a266737bf99bba73ca7fec3bdf269d15d0bb952695
SHA3-384 hash: c5ed6092abcb142be0329b83428911048e40963da62709296d5705bc3507083ca7d12daedb87cbd84eaa08c3afd3ada1
SHA1 hash: 3e0f0b7906a73b6f89612ce744e2fbffdffdbed3
MD5 hash: 365c90dc771da53017a90212031e85ee
humanhash: mars-mirror-violet-twenty
File name:MarlowsCrystalOptimizer-26.1-1.21.11.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:1'126'002 bytes
First seen:2026-06-27 10:18:34 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 24576:NTsP4jRlrVU5c3v+iRp6t62qyS2viObObPO8lQlIXxsxk:JK4jRt0M+I6t67UAPOXlA
TLSH T17B35E123A6AD51FBF9EB92B342108E61FC281FFCD746B4160FF218915C428D94F496AD
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 :
111
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
MarlowsCrystalOptimizer-26.1-1.21.11.jar
Verdict:
Malicious activity
Analysis date:
2026-06-26 10:57:42 UTC
Tags:
silentnet stealer etherhiding evasion python openssl tool arch-exec arch-doc
Link:
https://app.any.run/tasks/097f966a-cdeb-4458-8b6d-b0e4264fd1f6

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/72200/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.80635345.20813.11240.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a3e5b2586bc95245bf99f2d
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a3fa3baf0896a8eaf3dd7ee/reports/93975293-ad9c-47c8-bf58-1e0386af958e/overview
Verdict:
Suspicious
Link:
https://www.hybrid-analysis.com/sample/17eba8be5d1884aff56925a266737bf99bba73ca7fec3bdf269d15d0bb952695
Verdict:
Malicious
File Type:
jar
First seen:
2026-06-21T21:48:00Z UTC
Last seen:
2026-06-28T15:28:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Java.Generic
Link:
https://opentip.kaspersky.com/17eba8be5d1884aff56925a266737bf99bba73ca7fec3bdf269d15d0bb952695/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1934451
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1934451 Sample: MarlowsCrystalOptimizer-26.... Startdate: 27/06/2026 Architecture: WINDOWS Score: 100 130 files.pythonhosted.org 2->130 132 pypi.org 2->132 134 2 other IPs or domains 2->134 150 Suricata IDS alerts for network traffic 2->150 152 Multi AV Scanner detection for dropped file 2->152 154 Multi AV Scanner detection for submitted file 2->154 156 9 other signatures 2->156 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        23 conhost.exe 12->23         started        178 Loading BitLocker PowerShell Module 14->178 25 conhost.exe 14->25         started        27 conhost.exe 17->27         started        process6 process7 29 javaw.exe 884 19->29         started        dnsIp8 144 132.145.155.63, 443, 49697, 49713 ORACLE-BMC-31898-OracleCorporationUS United States 29->144 146 198.178.224.35, 443, 49695, 49711 LATITUDE-SH-LatitudeshUS United States 29->146 148 185.178.208.191, 443, 49700, 49708 DDOS-GUARDRU Russia 29->148 114 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 29->114 dropped 116 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 29->116 dropped 118 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 29->118 dropped 120 623 other malicious files 29->120 dropped 33 python.exe 218 29->33         started        file9 process10 dnsIp11 122 151.101.0.175, 443, 49722 FASTLY-FastlyIncUS Canada 33->122 124 pypi.org 151.101.192.223, 443, 49717, 49735 FASTLY-FastlyIncUS Canada 33->124 126 2 other IPs or domains 33->126 82 C:\Users\user\AppData\...\tmpkeubt7_9.tmp, PE32+ 33->82 dropped 84 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 33->84 dropped 86 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 33->86 dropped 88 32 other malicious files 33->88 dropped 158 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 33->158 160 Tries to harvest and steal browser information (history, passwords, etc) 33->160 162 Writes to foreign memory regions 33->162 164 2 other signatures 33->164 38 pip.exe 33->38         started        40 python.exe 1088 33->40         started        45 python.exe 33->45         started        47 3 other processes 33->47 file12 signatures13 process14 dnsIp15 49 python.exe 38->49         started        53 conhost.exe 38->53         started        136 dualstack.python.map.fastly.net 151.101.128.223, 443, 49736 FASTLY-FastlyIncUS Canada 40->136 98 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 40->98 dropped 100 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 40->100 dropped 102 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 40->102 dropped 110 378 other malicious files 40->110 dropped 168 Suspicious powershell command line found 40->168 170 Uses schtasks.exe or at.exe to add and modify task schedules 40->170 172 Uses netsh to modify the Windows network and firewall settings 40->172 176 2 other signatures 40->176 55 conhost.exe 40->55         started        138 150.136.141.142 ORACLE-BMC-31898-OracleCorporationUS United States 45->138 140 142.251.153.119 GOOGLE-GoogleLLCUS United States 45->140 142 2 other IPs or domains 45->142 104 C:\Recovery\OEM\...\Runtimeuserer.exe, PE32+ 45->104 dropped 106 C:\Users\user\AppData\Local\...\stdole.py, Python 45->106 dropped 108 _78530B68_61F9_11D...A024580902_0_1_0.py, Python 45->108 dropped 112 4 other malicious files 45->112 dropped 174 Adds a directory exclusion to Windows Defender 45->174 57 powershell.exe 45->57         started        60 powershell.exe 45->60         started        62 powershell.exe 45->62         started        64 7 other processes 45->64 file16 signatures17 process18 dnsIp19 128 151.101.0.223, 443, 49741 FASTLY-FastlyIncUS Canada 49->128 90 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 49->90 dropped 92 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 49->92 dropped 94 C:\Users\user\AppData\Local\...\win32ts.pyd, PE32+ 49->94 dropped 96 517 other malicious files 49->96 dropped 66 cmd.exe 49->66         started        166 Loading BitLocker PowerShell Module 57->166 68 conhost.exe 57->68         started        70 conhost.exe 60->70         started        72 conhost.exe 62->72         started        74 conhost.exe 64->74         started        76 conhost.exe 64->76         started        78 conhost.exe 64->78         started        80 3 other processes 64->80 file20 signatures21 process22
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/17eba8be5d1884aff56925a266737bf99bba73ca7fec3bdf269d15d0bb952695
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/17eba8be5d1884aff56925a266737bf99bba73ca7fec3bdf269d15d0bb952695/
Verdict:
Malicious
Threat:
Family.SILENTNET
Link:
https://tip.neiki.dev/file/17eba8be5d1884aff56925a266737bf99bba73ca7fec3bdf269d15d0bb952695
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2026-06-21 18:55:41 UTC
File Type:
Binary (Archive)
Extracted files:
642
AV detection:
6 of 23 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c7v2rps5dcck75ljewrgm4337gn3u46kp7wdxxzgtuk5bo4ve2kq._file
Result
Malware family:
silentnet
Create hunting rule
Score:
  10/10
Tags:
family:silentnet stealer
Link:
https://tria.ge/reports/260627-mcvefsax9q/
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/17eba8be5d1884aff56925a266737bf99bba73ca7fec3bdf269d15d0bb952695

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:TA_Printables_Cluster
Create hunting rule
Author:frexna
Description:Detects Python RAT, Pyramid, Fernet, zlib/base64 and pythonmemorymodule artifacts

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/72200/

Comments