MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdde28f3ce13b9919f25a812a6aa49a2024a94428c33ad062a26bf41c97d4e6b. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bdde28f3ce13b9919f25a812a6aa49a2024a94428c33ad062a26bf41c97d4e6b
SHA3-384 hash: 006c1c081675b0cc5c9650c29d015e706e10efa525e0afc0716cf8a60a1b20c12c68466594ca8b37243ef7bca976d8b1
SHA1 hash: 91d58984a8eb32b6bd87aa87558a1718debe55cc
MD5 hash: 7bc779a75183e2d26af10a259e325329
humanhash: fourteen-uniform-mike-india
File name:Kryptoncrackedbysigeon.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:96'543 bytes
First seen:2026-07-14 14:35:30 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 1536:InYhbSnxSHaty07E6F4OEfAOkE0zTn5Ny2vIRUAVcIwq4ChAd0UNwO0cP3EIaRdd:I2bSnxSY7EY3OkE0zz7RvI/CIqChAWUu
TLSH T17C9302139FE86F4CDC12A47FD265FB82D46B6771C191A2AED9B2788105FC0670262E0E
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 :
157
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/74639/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.80783925.28557.12500.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5649aab3055706bb5540d1
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a56496aa32fadcf6eae714d/reports/0b6adc31-6c6d-4d1b-b983-add89ccadaa8/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bdde28f3ce13b9919f25a812a6aa49a2024a94428c33ad062a26bf41c97d4e6b
Verdict:
Malicious
File Type:
jar
First seen:
2026-07-13T03:02:00Z UTC
Last seen:
2026-07-15T00:24:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bdde28f3ce13b9919f25a812a6aa49a2024a94428c33ad062a26bf41c97d4e6b/results?tab=lookup
Result
Threat name:
SilentNet
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1942300
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
Yara detected SilentNet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1942300 Sample: Kryptoncrackedbysigeon.jar Startdate: 14/07/2026 Architecture: WINDOWS Score: 100 118 pypi.org 2->118 120 files.pythonhosted.org 2->120 122 2 other IPs or domains 2->122 154 Suricata IDS alerts for network traffic 2->154 156 Multi AV Scanner detection for dropped file 2->156 158 Yara detected SilentNet 2->158 160 9 other signatures 2->160 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        174 Loading BitLocker PowerShell Module 14->174 23 conhost.exe 14->23         started        25 conhost.exe 17->25         started        process6 process7 27 javaw.exe 884 19->27         started        dnsIp8 132 150.136.141.142, 443, 49699 ORACLE-BMC-31898-OracleCorporationUS United States 27->132 134 198.178.224.35, 443, 49695, 49713 LATITUDE-SH-LatitudeshUS United States 27->134 136 185.178.208.191, 443, 49701, 49710 DDOS-GUARDRU Russia 27->136 110 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 27->110 dropped 112 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 27->112 dropped 114 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 27->114 dropped 116 623 other malicious files 27->116 dropped 31 python.exe 218 27->31         started        file9 process10 dnsIp11 138 132.145.155.63, 443, 49715 ORACLE-BMC-31898-OracleCorporationUS United States 31->138 140 151.101.0.175, 443, 49724 FASTLY-FastlyIncUS Canada 31->140 142 3 other IPs or domains 31->142 78 C:\Users\user\AppData\...\tmpeqyt3ctk.tmp, PE32+ 31->78 dropped 80 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 31->80 dropped 82 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 31->82 dropped 84 32 other malicious files 31->84 dropped 146 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->146 148 Tries to harvest and steal browser information (history, passwords, etc) 31->148 150 Writes to foreign memory regions 31->150 152 2 other signatures 31->152 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        51 conhost.exe 36->51         started        124 pypi.org 151.101.192.223, 443, 49733, 49741 FASTLY-FastlyIncUS Canada 38->124 94 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 38->94 dropped 96 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 38->96 dropped 98 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 38->98 dropped 106 378 other malicious files 38->106 dropped 164 Suspicious powershell command line found 38->164 166 Uses schtasks.exe or at.exe to add and modify task schedules 38->166 168 Uses netsh to modify the Windows network and firewall settings 38->168 172 2 other signatures 38->172 53 conhost.exe 38->53         started        126 142.251.154.119 GOOGLE-GoogleLLCUS United States 43->126 128 23.38.253.202 AKAMAI-AS-AkamaiTechnologiesIncUS United States 43->128 130 23.62.122.207 AKAMAI-AS-AkamaiTechnologiesIncUS United States 43->130 100 C:\Recovery\OEM\...\RuntimeBroker.exe, PE32+ 43->100 dropped 102 C:\Users\user\AppData\Local\...\stdole.py, Python 43->102 dropped 104 _78530B68_61F9_11D...A024580902_0_1_0.py, Python 43->104 dropped 108 4 other malicious files 43->108 dropped 170 Adds a directory exclusion to Windows Defender 43->170 55 powershell.exe 43->55         started        58 powershell.exe 43->58         started        60 powershell.exe 43->60         started        62 7 other processes 43->62 file16 signatures17 process18 dnsIp19 144 151.101.128.223, 443, 49743 FASTLY-FastlyIncUS Canada 47->144 86 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 47->86 dropped 88 C:\Users\user\AppData\...\cffi-gen-src.exe, PE32+ 47->88 dropped 90 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 47->90 dropped 92 538 other malicious files 47->92 dropped 162 Loading BitLocker PowerShell Module 55->162 64 conhost.exe 55->64         started        66 conhost.exe 58->66         started        68 conhost.exe 60->68         started        70 conhost.exe 62->70         started        72 conhost.exe 62->72         started        74 conhost.exe 62->74         started        76 3 other processes 62->76 file20 signatures21 process22
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/bdde28f3ce13b9919f25a812a6aa49a2024a94428c33ad062a26bf41c97d4e6b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bdde28f3ce13b9919f25a812a6aa49a2024a94428c33ad062a26bf41c97d4e6b/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-13 01:35:18 UTC
File Type:
Binary (Archive)
Extracted files:
14
AV detection:
4 of 36 (11.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xxpcr46oco4zdhzfvajknksjuibevfccrqz22brke27udsl5jzvq._file
Result
Malware family:
silentnet
Create hunting rule
Score:
  10/10
Tags:
family:silentnet stealer
Link:
https://tria.ge/reports/260714-ry1ktaht6x/
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/bdde28f3ce13b9919f25a812a6aa49a2024a94428c33ad062a26bf41c97d4e6b

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar

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/74639/

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