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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 590d4e1dccf94bc306a5fc94ad202a3c0e40ecea5c4d294f27650ed233c206b3. 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


SmartLoader


Vendor detections: 7


Intelligence 7 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 590d4e1dccf94bc306a5fc94ad202a3c0e40ecea5c4d294f27650ed233c206b3
SHA3-384 hash: 9dc14d0704d5710ba4b157ecc248d04d56b30e3853a5d9ce0ee92edbe46b07fa42f7c7bddbc02d4a179f2c4ff7beea0c
SHA1 hash: 4d19aad0b3cb2dd0cd61e5ec68ada23733f6af1e
MD5 hash: 449452a5a324ed1704ff4dbd5698d477
humanhash: robert-friend-enemy-ten
File name:mbupload-rtzd_zg_.bin
Download: download sample
Signature SmartLoader
Create hunting rule
File size:492'541 bytes
First seen:2026-10-21 13:49:41 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:msS5lyFd6B+6sVXkvgSe5y/qr++rVOje+yH5K:msgxI6sSvPyy+6eTH5K
TLSH T184A42397E39996EC88C47ABA8B2C0D08B27CE7745CCF06A8537E5335D1688A29E0751D
Magika zip
Reporter wristhulk
Tags:github lua SmartLoader zip


Avatar
wristhulk
Distributed from GitHub: https://raw.githubusercontent.com/PentagonRBX/dexV4/refs/heads/main/Marvin/dex_3.9-beta.2.zip . Lab-triaged statically in an isolated VM: LuaJIT launcher + obfuscated Lua payload (SmartLoader), hijacked-README zip. URL submitted to URLhaus.

Intelligence

File Origin
# of uploads :
1
# of downloads :
16
Origin country :
US US
File Archive Information

This file archive contains 4 file(s), sorted by their relevance:

File name:Launcher.bat
File size:26 bytes
SHA256 hash: e1e6e28bc665b242fd4b496caf2542042d5720e87ea74551735664c202c486c7
MD5 hash: aae2b25db42573f9004af139d7dec051
MIME type:text/plain
Signature SmartLoader
File name:loader.exe
File size:288'768 bytes
SHA256 hash: fad3d429172932b72e50f52af169a80439464e3538d97810509090e2e6cdf32a
MD5 hash: efaf7d26f15af0d930ec9f5809d781e7
MIME type:application/x-dosexec
Signature SmartLoader
File name:proto.txt
File size:308'886 bytes
SHA256 hash: e450152d8dd9f7d2d92dbd53461a38ee8f154b69b2558ed43b5d3f603a43240a
MD5 hash: 5dc3da9ee501b139b6cb591d2d0d77ee
MIME type:text/plain
Signature SmartLoader
File name:lua51.dll
File size:390'144 bytes
SHA256 hash: 440ceb0dc5911faca54ed9a4dd186dad3d006ae4f52d0bb7d1e4b4edd8c3693a
MD5 hash: ca9a5f85ee1449c731b6d30aa958c982
MIME type:application/x-dosexec
Signature SmartLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9134d8ba-61ac-433a-a610-75f7ba89ad85/
Detection(s):
SecuriteInfo.com.VBS.Obfus-141.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win64.MalwareX-gen.11375751.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac2773e8679a84b4e9844c3
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
microsoft_visual_cc
Link:
https://www.filescan.io/uploads/6ad8c32cd8509071f967058c/reports/86c07ab0-71a5-4fa2-877c-aec8539bed90/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/590d4e1dccf94bc306a5fc94ad202a3c0e40ecea5c4d294f27650ed233c206b3
Verdict:
Malicious
File Type:
zip
First seen:
2026-10-06T07:00:00Z UTC
Last seen:
2026-10-21T13:07:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/590d4e1dccf94bc306a5fc94ad202a3c0e40ecea5c4d294f27650ed233c206b3/results?tab=lookup
Score:
45%
Verdict:
Susipicious
File Type:
ARCHIVE
Link:
https://malprob.io/report/590d4e1dccf94bc306a5fc94ad202a3c0e40ecea5c4d294f27650ed233c206b3
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Zip Archive
Link:
https://app.malva.re/file/449452a5a324ed1704ff4dbd5698d477
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/590d4e1dccf94bc306a5fc94ad202a3c0e40ecea5c4d294f27650ed233c206b3/
Threat name:
Win32.Trojan.Malarchive
Create hunting rule
Status:
Malicious
First seen:
2026-10-06 11:26:25 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=legu4hom7ff4gbvf7skk2ibkhqheb3hklrgsstzhmuhnem6ca2zq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution
Link:
https://tria.ge/reports/261021-rdgxzafd75/
Behaviour
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
Looks up external IP address via web service
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/590d4e1dccf94bc306a5fc94ad202a3c0e40ecea5c4d294f27650ed233c206b3

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:Capability_Embedded_Lua
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects embedded Lua engines by looking for multiple Lua API symbols or env-var hooks
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:JP_Lure_Content_Hunt
Create hunting rule
Author:sumeshi
Description:Hunts for files containing Japanese kana text or common Japanese lure terminology
Rule name:skip20_sqllang_hook
Create hunting rule
Author:Mathieu Tartare <mathieu.tartare@eset.com>
Description:YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:https://www.welivesecurity.com/
Rule name:TigerRAT_pe_yaraify
Create hunting rule
Author:hunts-yara-code
Description:YARAify-tightened byte rule from 9 sample(s) -- VERIFY hits
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

SmartLoader

zip 590d4e1dccf94bc306a5fc94ad202a3c0e40ecea5c4d294f27650ed233c206b3

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3942396/
  
URLhaus
https://urlhaus.abuse.ch/url/3953890/

Comments