MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 481a42819667e597007623f1840a692a0afce38a5fa7b32813da00a2d7757f29. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 481a42819667e597007623f1840a692a0afce38a5fa7b32813da00a2d7757f29
SHA3-384 hash: 92244193fd468dbebc0e390af0514090b68d9e736a882c1a0d4ebcb5eea210e19acd751acf72c54d3048057f78018052
SHA1 hash: f8e87394fcaa21d9f3f047c33e62dd10d970aacd
MD5 hash: e6cc16fefa4c8ad3ab03bcddf7ade415
humanhash: batman-jersey-yankee-november
File name:UpdatedKelp.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:516'277 bytes
First seen:2026-06-24 11:54:25 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 12288:mRUr2dj4jFR0axG8jedr/I0+ILHOHbqCsD+5c:brC630uGCedrgXItCsD0c
TLSH T122B4F112E63C007EDE377336F906DA91BCA5D692E512B40A6A7C04CD098367B1F897DE
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 :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
UpdatedKelp.jar
Verdict:
Malicious activity
Analysis date:
2026-06-22 16:36:27 UTC
Tags:
silentnet stealer evasion
Link:
https://app.any.run/tasks/f615f48f-30e5-458f-ae5a-1ac8d6b4dbb5

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/71834/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a39648a1548daf709f8f0f7
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-debug obfuscated
Link:
https://www.filescan.io/uploads/6a3bc58c9799578a6c49afe2/reports/6ab7eab8-8c2b-4ff4-b724-f77754430666/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/481a42819667e597007623f1840a692a0afce38a5fa7b32813da00a2d7757f29
Verdict:
Malicious
File Type:
jar
First seen:
2026-06-22T13:42:00Z UTC
Last seen:
2026-06-24T21:43:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Java.Generic
Link:
https://opentip.kaspersky.com/481a42819667e597007623f1840a692a0afce38a5fa7b32813da00a2d7757f29/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1933116
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
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: 1933116 Sample: UpdatedKelp.jar Startdate: 24/06/2026 Architecture: WINDOWS Score: 100 117 pypi.org 2->117 119 files.pythonhosted.org 2->119 121 2 other IPs or domains 2->121 151 Suricata IDS alerts for network traffic 2->151 153 Multi AV Scanner detection for dropped file 2->153 155 Sigma detected: Schedule system process 2->155 157 8 other signatures 2->157 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        171 Loading BitLocker PowerShell Module 14->171 23 conhost.exe 14->23         started        25 conhost.exe 17->25         started        process6 process7 27 javaw.exe 884 19->27         started        dnsIp8 131 132.145.155.63, 443, 49695, 49711 ORACLE-BMC-31898-OracleCorporationUS United States 27->131 133 198.178.224.35, 443, 49693, 49709 LATITUDE-SH-LatitudeshUS United States 27->133 135 185.178.208.191, 443, 49697, 49706 DDOS-GUARDRU Russia 27->135 101 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 27->101 dropped 103 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 27->103 dropped 105 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 27->105 dropped 107 623 other malicious files 27->107 dropped 31 python.exe 218 27->31         started        file9 process10 dnsIp11 137 dualstack.python.map.fastly.net 151.101.0.223, 443, 49715, 49733 FASTLY-FastlyIncUS Canada 31->137 139 151.101.128.175, 443, 49720 FASTLY-FastlyIncUS Canada 31->139 141 2 other IPs or domains 31->141 77 C:\Users\user\AppData\...\tmpru3b8yaz.tmp, PE32+ 31->77 dropped 79 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 31->79 dropped 81 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 31->81 dropped 83 32 other malicious files 31->83 dropped 143 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->143 145 Tries to harvest and steal browser information (history, passwords, etc) 31->145 147 Writes to foreign memory regions 31->147 149 2 other signatures 31->149 36 pip.exe 31->36         started        38 python.exe 1088 31->38         started        43 python.exe 31->43         started        45 2 other processes 31->45 file12 signatures13 process14 dnsIp15 47 python.exe 36->47         started        50 conhost.exe 36->50         started        123 pypi.org 151.101.128.223, 443, 49732, 49737 FASTLY-FastlyIncUS Canada 38->123 85 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 38->85 dropped 87 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 38->87 dropped 89 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 38->89 dropped 97 378 other malicious files 38->97 dropped 161 Suspicious powershell command line found 38->161 163 Uses schtasks.exe or at.exe to add and modify task schedules 38->163 165 Uses netsh to modify the Windows network and firewall settings 38->165 169 2 other signatures 38->169 52 conhost.exe 38->52         started        125 150.136.141.142 ORACLE-BMC-31898-OracleCorporationUS United States 43->125 127 142.251.154.119 GOOGLE-GoogleLLCUS United States 43->127 129 2 other IPs or domains 43->129 91 C:\Recovery\OEM\...\RuntimeBroker.exe, PE32+ 43->91 dropped 93 C:\Users\user\AppData\Local\...\stdole.py, Python 43->93 dropped 95 _78530B68_61F9_11D...A024580902_0_1_0.py, Python 43->95 dropped 99 4 other malicious files 43->99 dropped 167 Adds a directory exclusion to Windows Defender 43->167 54 powershell.exe 43->54         started        57 powershell.exe 43->57         started        59 powershell.exe 43->59         started        61 7 other processes 43->61 file16 signatures17 process18 file19 109 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 47->109 dropped 111 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 47->111 dropped 113 C:\Users\user\AppData\Local\...\win32ts.pyd, PE32+ 47->113 dropped 115 530 other malicious files 47->115 dropped 159 Loading BitLocker PowerShell Module 54->159 63 conhost.exe 54->63         started        65 conhost.exe 57->65         started        67 conhost.exe 59->67         started        69 conhost.exe 61->69         started        71 conhost.exe 61->71         started        73 conhost.exe 61->73         started        75 3 other processes 61->75 signatures20 process21
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/481a42819667e597007623f1840a692a0afce38a5fa7b32813da00a2d7757f29
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/481a42819667e597007623f1840a692a0afce38a5fa7b32813da00a2d7757f29/
Verdict:
Malicious
Threat:
Family.SILENTNET
Link:
https://tip.neiki.dev/file/481a42819667e597007623f1840a692a0afce38a5fa7b32813da00a2d7757f29
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=janefamwm7szoadwepyyictjfifpzy4kl6t3gkat3iakfv3vp4uq._file
Result
Malware family:
silentnet
Create hunting rule
Score:
  10/10
Tags:
family:silentnet stealer
Link:
https://tria.ge/reports/260624-n3c4jaby6p/
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/481a42819667e597007623f1840a692a0afce38a5fa7b32813da00a2d7757f29

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/71834/

Comments