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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cfc7235f99bc8c7e1b49f12cfc33c1c789084d5d6f49bea40917ffb330a7515. 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


QuantLoader


Vendor detections: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7cfc7235f99bc8c7e1b49f12cfc33c1c789084d5d6f49bea40917ffb330a7515
SHA3-384 hash: 71fcb45fa2dc73dc325b678ea001cb780a472cbe37550a5a46edc723a252234f59ae39178a93d12884bf53ba1355b7a2
SHA1 hash: 14bad095a3a7812edc6dc72fcce0098a8dfe400e
MD5 hash: f4ea7939ff03372c34e7678581febc46
humanhash: oxygen-white-vegan-aspen
File name:Quant.msi
Download: download sample
Signature QuantLoader
Create hunting rule
File size:54'105'600 bytes
First seen:2026-10-26 21:48:37 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 1572864:XZ9Il+6xMde124PWEJbHYMUXq0EJiV1CC82G7Lc2AFz7LS:XZ9IY6xMexWnTzEJiV1aL2Fe
TLSH T19AC73319FC633163D2A9B53903B61B42CB3222B189814534AE77E60EDEFFE55A9740C7
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter smica83
Tags:msi QuantLoader signed

Code Signing Certificate

Organisation:Sylabiz Software OU
Issuer:Sectigo Public Code Signing CA EV R36
Algorithm:sha256WithRSAEncryption
Valid from:2026-10-05T00:00:00Z
Valid to:2027-10-05T23:59:59Z
Serial number: 95e63db9d4569abb2f87489ee97e2242
Thumbprint Algorithm:SHA256
Thumbprint: 4e5308681d604f731173637e0fd56aa65fdc20e12c7f5c98c416dfbf350ae300
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/76c86a55-771c-4c4a-8ec4-5a0f7fa53153/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6adfcae354c991916bf6e382
Tags:
n/a
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
signed
Link:
https://www.filescan.io/uploads/6adfcadbded6672764a13e88/reports/2699e85b-1bdd-40f2-9a10-a5371d982b8b/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/7cfc7235f99bc8c7e1b49f12cfc33c1c789084d5d6f49bea40917ffb330a7515
Verdict:
Malicious
File Type:
msi
First seen:
2026-10-27T19:22:00Z UTC
Last seen:
2026-10-27T19:30:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/7cfc7235f99bc8c7e1b49f12cfc33c1c789084d5d6f49bea40917ffb330a7515/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
66 / 100
Link:
https://www.joesandbox.com/analysis/1992197
Signature
Creates an autostart registry key pointing to binary in C:\Windows
Sigma detected: Register Wscript In Run Key
Sigma detected: WScript or CScript Dropper
Uses cmd line tools excessively to alter registry or file data
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1992197 Sample: Quant.msi Startdate: 26/10/2026 Architecture: WINDOWS Score: 66 126 Sigma detected: Register Wscript In Run Key 2->126 128 Sigma detected: WScript or CScript Dropper 2->128 130 Wscript called in batch mode (surpress errors) 2->130 132 Yara detected Costura Assembly Loader 2->132 14 msiexec.exe 501 1001 2->14         started        17 wscript.exe 2->17         started        20 msiexec.exe 14 2->20         started        22 wscript.exe 2->22         started        process3 file4 118 C:\Users\user\AppData\Local\...\RubyMauve.vbs, Unknown 14->118 dropped 24 msiexec.exe 14->24         started        122 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->122 124 WScript reads language and country specific registry keys (likely country aware script) 17->124 26 node.exe 17->26         started        signatures5 process6 process7 28 node.exe 1 24->28         started        31 node.exe 26->31         started        33 conhost.exe 26->33         started        signatures8 138 Uses schtasks.exe or at.exe to add and modify task schedules 28->138 35 node.exe 4 28->35         started        37 conhost.exe 28->37         started        39 cmd.exe 31->39         started        41 cmd.exe 31->41         started        process9 process10 43 node.exe 35->43         started        45 node.exe 35->45         started        47 reg.exe 1 1 35->47         started        58 7 other processes 35->58 50 conhost.exe 39->50         started        52 tasklist.exe 39->52         started        54 conhost.exe 41->54         started        56 tasklist.exe 41->56         started        signatures11 60 node.exe 43->60         started        62 node.exe 45->62         started        142 Creates an autostart registry key pointing to binary in C:\Windows 47->142 65 conhost.exe 47->65         started        67 conhost.exe 58->67         started        69 conhost.exe 58->69         started        71 conhost.exe 58->71         started        73 3 other processes 58->73 process12 signatures13 75 cmd.exe 60->75         started        78 cmd.exe 60->78         started        80 cmd.exe 60->80         started        88 2 other processes 60->88 140 Uses cmd line tools excessively to alter registry or file data 62->140 82 cmd.exe 62->82         started        84 schtasks.exe 62->84         started        86 schtasks.exe 62->86         started        90 3 other processes 62->90 process14 signatures15 134 Uses ping.exe to sleep 75->134 136 Uses ping.exe to check the status of other devices and networks 75->136 92 PING.EXE 75->92         started        95 conhost.exe 75->95         started        104 2 other processes 78->104 97 Quant_AI.exe 80->97         started        106 2 other processes 82->106 100 conhost.exe 84->100         started        102 conhost.exe 86->102         started        108 2 other processes 88->108 110 3 other processes 90->110 process16 dnsIp17 120 127.0.0.1 unknown unknown 92->120 116 C:\Users\Public\...\WebView2Loader.dll, PE32 97->116 dropped 112 msedgewebview2.exe 97->112         started        file18 process19 process20 114 msedgewebview2.exe 112->114         started       
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/7cfc7235f99bc8c7e1b49f12cfc33c1c789084d5d6f49bea40917ffb330a7515
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pt6henpztpempynut4jm7qz4dr4jbbgv232jx2sasf77wmykoukq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
costura defense_evasion discovery execution packer persistence privilege_escalation ransomware trojan
Link:
https://tria.ge/reports/261026-1pfzgswx8m/
Behaviour
Uses Volume Shadow Copy service COM API
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious behavior: EnumeratesProcesses
Runs ping.exe
Modifies registry key
Enumerates system info in registry
Checks processor information in registry
Checks SCSI registry key(s)
Event Triggered Execution: Installer Packages
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Command and Scripting Interpreter: PowerShell
Checks whether UAC is enabled
Queries registry keys for unique system GUIDs
Loads dropped DLL
Executes dropped EXE
Drops file in Windows directory
Drops file in Program Files directory
Costura .NET executable packer
Network Share Discovery
Looks up external IP address via web service
Enumerates connected drives
Adds Run key to start application
Badlisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information

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

Comments