MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a83d05b6e86692f1efb153cdcccf14099d0470fc612c4f70eee2bbd0357bd6e2. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a83d05b6e86692f1efb153cdcccf14099d0470fc612c4f70eee2bbd0357bd6e2
SHA3-384 hash: dc2fec21b27eea5bee2fa113cd482c5346d6bd671936a73d0625cc64c48098f0866821c803ac6a8e6f27eec9f61c8030
SHA1 hash: 0f7e3552d110123d9a33c321c9eafcb2d99b0f18
MD5 hash: dad0b5b5237c67ebfc6b22af8698a509
humanhash: snake-thirteen-island-butter
File name:Gamblerig.jar
Download: download sample
Signature SilentNet
Create hunting rule
File size:9'144'188 bytes
First seen:2026-07-09 09:36:17 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 196608:l9iyfxjj2QlFjyzAcNeVaqUA0i6hLtPGYyALAo7gyjVCHPHcr:PiWp/FgAfsKCtGYjLGyIHPHcr
TLSH T1F49633631BEC4AD2D4B0A477CB757C66387C5B13A053BDAEB765CCA1268A0E6DF20710
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 :
91
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
Gamblerig.jar
Verdict:
Malicious activity
Analysis date:
2026-07-09 09:35:13 UTC
Tags:
arch-exec silentnet stealer etherhiding
Link:
https://app.any.run/tasks/a2a4eaa5-8e17-4f87-b680-e8b3be8ba195

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/74038/
Detection(s):
SecuriteInfo.com.Java.SuspAttach.13562319.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a4f6b4ba900f0e9eb6b0ad1
Tags:
shellcode virus java
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a4f6bee8fe3d173bec975d8/reports/8a0e55c8-1269-4d5d-91d7-39fc99ad5057/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a83d05b6e86692f1efb153cdcccf14099d0470fc612c4f70eee2bbd0357bd6e2
Verdict:
Malicious
File Type:
jar
First seen:
2026-07-04T09:30:00Z UTC
Last seen:
2026-07-09T12:58:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Java.Generic
Link:
https://opentip.kaspersky.com/a83d05b6e86692f1efb153cdcccf14099d0470fc612c4f70eee2bbd0357bd6e2/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/1939821
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
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
Yara detected SilentNet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1939821 Sample: Gamblerig.jar Startdate: 09/07/2026 Architecture: WINDOWS Score: 100 116 pypi.org 2->116 118 files.pythonhosted.org 2->118 120 2 other IPs or domains 2->120 140 Suricata IDS alerts for network traffic 2->140 142 Multi AV Scanner detection for dropped file 2->142 144 Multi AV Scanner detection for submitted file 2->144 146 10 other signatures 2->146 12 cmd.exe 1 2->12         started        14 powershell.exe 2->14         started        signatures3 process4 signatures5 17 java.exe 5 12->17         started        20 conhost.exe 12->20         started        160 Loading BitLocker PowerShell Module 14->160 22 conhost.exe 14->22         started        process6 signatures7 138 Found many strings related to Crypto-Wallets (likely being stolen) 17->138 24 javaw.exe 884 17->24         started        process8 dnsIp9 126 150.136.141.142, 443, 49686 ORACLE-BMC-31898-OracleCorporationUS United States 24->126 128 198.178.224.35, 443, 49684, 49707 LATITUDE-SH-LatitudeshUS United States 24->128 130 185.178.208.191, 443, 49689, 49704 DDOS-GUARDRU Russia 24->130 92 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 24->92 dropped 94 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 24->94 dropped 96 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 24->96 dropped 98 623 other malicious files 24->98 dropped 28 python.exe 217 24->28         started        file10 process11 dnsIp12 132 132.145.155.63, 443, 49709 ORACLE-BMC-31898-OracleCorporationUS United States 28->132 134 dualstack.python.map.fastly.net 151.101.0.223, 443, 49713, 49732 FASTLY-FastlyIncUS Canada 28->134 136 3 other IPs or domains 28->136 108 C:\Users\user\AppData\...\tmp_t6u6cs5.tmp, PE32+ 28->108 dropped 110 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 28->110 dropped 112 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 28->112 dropped 114 32 other malicious files 28->114 dropped 162 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 28->162 164 Found many strings related to Crypto-Wallets (likely being stolen) 28->164 166 Tries to harvest and steal browser information (history, passwords, etc) 28->166 168 3 other signatures 28->168 33 pip.exe 28->33         started        35 python.exe 1088 28->35         started        40 python.exe 28->40         started        42 3 other processes 28->42 file13 signatures14 process15 dnsIp16 44 python.exe 33->44         started        47 conhost.exe 33->47         started        122 pypi.org 151.101.64.223, 443, 49730, 49735 FASTLY-FastlyIncUS Canada 35->122 76 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 35->76 dropped 78 C:\Users\user\AppData\Local\...\pip3.12.exe, PE32+ 35->78 dropped 80 C:\Users\user\AppData\Local\...\pip.exe, PE32+ 35->80 dropped 88 378 other malicious files 35->88 dropped 150 Suspicious powershell command line found 35->150 152 Uses schtasks.exe or at.exe to add and modify task schedules 35->152 154 Uses netsh to modify the Windows network and firewall settings 35->154 158 2 other signatures 35->158 49 conhost.exe 35->49         started        124 104.16.249.249 CLOUDFLARENET-CloudflareIncUS Canada 40->124 82 C:\Recovery\OEM\...\RuntimeBroker.exe, PE32+ 40->82 dropped 84 C:\Users\user\AppData\Local\...\stdole.py, Python 40->84 dropped 86 _78530B68_61F9_11D...A024580902_0_1_0.py, Python 40->86 dropped 90 4 other malicious files 40->90 dropped 156 Adds a directory exclusion to Windows Defender 40->156 51 powershell.exe 40->51         started        54 powershell.exe 40->54         started        56 netsh.exe 40->56         started        58 5 other processes 40->58 file17 signatures18 process19 file20 100 C:\Users\user\AppData\Local\...\wsdump.exe, PE32+ 44->100 dropped 102 C:\Users\user\AppData\...\cffi-gen-src.exe, PE32+ 44->102 dropped 104 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 44->104 dropped 106 517 other malicious files 44->106 dropped 60 cmd.exe 44->60         started        148 Loading BitLocker PowerShell Module 51->148 62 conhost.exe 51->62         started        64 conhost.exe 54->64         started        66 conhost.exe 56->66         started        68 conhost.exe 58->68         started        70 conhost.exe 58->70         started        72 conhost.exe 58->72         started        74 conhost.exe 58->74         started        signatures21 process22
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/a83d05b6e86692f1efb153cdcccf14099d0470fc612c4f70eee2bbd0357bd6e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a83d05b6e86692f1efb153cdcccf14099d0470fc612c4f70eee2bbd0357bd6e2/
Verdict:
Malicious
Threat:
Family.SILENTNET
Link:
https://tip.neiki.dev/file/a83d05b6e86692f1efb153cdcccf14099d0470fc612c4f70eee2bbd0357bd6e2
Threat name:
ByteCode-JAVA.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-07-03 21:34:10 UTC
File Type:
Binary (Archive)
Extracted files:
5326
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=va6qlnxim2jpd35rkpg4ztyubgoqi4h4mewe64ho4k55anl323ra._file
Result
Malware family:
silentnet
Create hunting rule
Score:
  10/10
Tags:
family:silentnet stealer
Link:
https://tria.ge/reports/260709-lld86agy5x/
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/a83d05b6e86692f1efb153cdcccf14099d0470fc612c4f70eee2bbd0357bd6e2

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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Web download

SilentNet

Java file jar a83d05b6e86692f1efb153cdcccf14099d0470fc612c4f70eee2bbd0357bd6e2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3884276/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/74038/

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