MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bad18becbf0725d28bef6a99d0f95585b4661bc3e7bd131c15955e82083f1c2a. 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 File information Comments

SHA256 hash: bad18becbf0725d28bef6a99d0f95585b4661bc3e7bd131c15955e82083f1c2a
SHA3-384 hash: d115192986e911fec21c4c969ab0e8df5d929aaa05cf109e0326becae4242be615887d3b70d0dd6dae06a1ccd0675894
SHA1 hash: 4376993ed07cc25670acad3ed73dfed84bc2d293
MD5 hash: 026c18bf22df7d6cfaa7f388851f0b44
humanhash: fifteen-jupiter-hotel-high
File name:calcium-client-testers-only.jar
Download: download sample
Signature SilentNet
File size:975'955 bytes
First seen:2026-07-04 09:16:39 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 24576:qR3CAB630uGCedrgXItCsD0FcMSIFVYPryawtelHxMS7sSD:OSAB63bGCedmQQFcxIFVIWawtelRV7sy
TLSH T16D251212E22C003DDE377333F805DA15BCA1D7A2E517741AAA7804DA1AD32AB1F997DD
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 :
72
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
calcium-client-testers-only.jar
Verdict:
Malicious activity
Analysis date:
2026-07-04 09:16:57 UTC
Tags:
silentnet stealer etherhiding evasion arch-exec arch-doc python openssl tool

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-debug obfuscated
Verdict:
Malicious
File Type:
jar
First seen:
2026-07-04T06:22:00Z UTC
Last seen:
2026-07-05T19:30:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Java.Generic
Result
Threat name:
SilentNet
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
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
Found many strings related to Crypto-Wallets (likely being stolen)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1937423 Sample: calcium-client-testers-only.jar Startdate: 04/07/2026 Architecture: WINDOWS Score: 100 127 pypi.org 2->127 129 files.pythonhosted.org 2->129 131 2 other IPs or domains 2->131 155 Suricata IDS alerts for network traffic 2->155 157 Multi AV Scanner detection for dropped file 2->157 159 Yara detected SilentNet 2->159 161 9 other signatures 2->161 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        22 conhost.exe 12->22         started        177 Loading BitLocker PowerShell Module 14->177 24 conhost.exe 14->24         started        26 conhost.exe 17->26         started        process6 signatures7 163 Found many strings related to Crypto-Wallets (likely being stolen) 19->163 28 javaw.exe 884 19->28         started        process8 dnsIp9 141 132.145.155.63, 443, 49694, 49712 ORACLE-BMC-31898-OracleCorporationUS United States 28->141 143 198.178.224.35, 443, 49691, 49710 LATITUDE-SH-LatitudeshUS United States 28->143 145 185.178.208.191, 443, 49696, 49707 DDOS-GUARDRU Russia 28->145 111 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 28->111 dropped 113 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 28->113 dropped 115 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 28->115 dropped 117 623 other malicious files 28->117 dropped 32 python.exe 218 28->32         started        file10 process11 dnsIp12 119 151.101.0.175, 443, 49720 FASTLY-FastlyIncUS Canada 32->119 121 151.101.192.223, 443, 49716 FASTLY-FastlyIncUS Canada 32->121 123 2 other IPs or domains 32->123 79 C:\Users\user\AppData\...\tmpkiz3afa4.tmp, PE32+ 32->79 dropped 81 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 32->81 dropped 83 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 32->83 dropped 85 32 other malicious files 32->85 dropped 147 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 32->147 149 Found many strings related to Crypto-Wallets (likely being stolen) 32->149 151 Tries to harvest and steal browser information (history, passwords, etc) 32->151 153 3 other signatures 32->153 37 pip.exe 32->37         started        39 python.exe 1088 32->39         started        44 python.exe 32->44         started        46 3 other processes 32->46 file13 signatures14 process15 dnsIp16 48 python.exe 37->48         started        52 conhost.exe 37->52         started        133 pypi.org 151.101.0.223, 443, 49732, 49734 FASTLY-FastlyIncUS Canada 39->133 95 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 39->95 dropped 97 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 39->97 dropped 99 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 39->99 dropped 107 378 other malicious files 39->107 dropped 167 Suspicious powershell command line found 39->167 169 Uses schtasks.exe or at.exe to add and modify task schedules 39->169 171 Uses netsh to modify the Windows network and firewall settings 39->171 175 2 other signatures 39->175 54 conhost.exe 39->54         started        135 142.251.151.119 GOOGLE-GoogleLLCUS United States 44->135 137 104.16.248.249 CLOUDFLARENET-CloudflareIncUS Canada 44->137 139 23.222.125.27 AKAMAI-AS-AkamaiTechnologiesIncUS United States 44->139 101 C:\Recovery\OEM\...\RuntimeBroker.exe, PE32+ 44->101 dropped 103 C:\Users\user\AppData\Local\...\stdole.py, Python 44->103 dropped 105 _78530B68_61F9_11D...A024580902_0_1_0.py, Python 44->105 dropped 109 4 other malicious files 44->109 dropped 173 Adds a directory exclusion to Windows Defender 44->173 56 powershell.exe 44->56         started        59 powershell.exe 44->59         started        61 powershell.exe 44->61         started        63 7 other processes 44->63 file17 signatures18 process19 dnsIp20 125 151.101.128.223, 443, 49740 FASTLY-FastlyIncUS Canada 48->125 87 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 48->87 dropped 89 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 48->89 dropped 91 C:\Users\user\AppData\Local\...\win32ts.pyd, PE32+ 48->91 dropped 93 518 other malicious files 48->93 dropped 165 Loading BitLocker PowerShell Module 56->165 65 conhost.exe 56->65         started        67 conhost.exe 59->67         started        69 conhost.exe 61->69         started        71 conhost.exe 63->71         started        73 conhost.exe 63->73         started        75 conhost.exe 63->75         started        77 3 other processes 63->77 file21 signatures22 process23
Threat name:
Win32.Trojan.Qwexlafiba
Status:
Malicious
First seen:
2026-07-04 09:17:14 UTC
File Type:
Binary (Archive)
Extracted files:
155
AV detection:
5 of 24 (20.83%)
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.

File information


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

Comments