MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ded1fef0fd446ee7b8586d1acdabe633dc3968480eacd6bd8f097cd25c3dcc8a. 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



RustyStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 22 File information Comments

SHA256 hash: ded1fef0fd446ee7b8586d1acdabe633dc3968480eacd6bd8f097cd25c3dcc8a
SHA3-384 hash: d7f1ab7779ade84a675ee9219272c8f3307a1926b96bdf7987b1e30e8085df6348d2d072246ca9eafc788fa1283430f2
SHA1 hash: c830423a1e59230aada003e7393bf56ff094d39a
MD5 hash: 62ed545cab0c010bb657aae67c5b37b5
humanhash: delaware-ceiling-aspen-avocado
File name:Launcher.msi
Download: download sample
Signature RustyStealer
File size:7'176'192 bytes
First seen:2026-03-27 14:37:50 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 24576:s7+8qArqZpp9tHxqQ+JrjlqomILNAwcO8pMGIjFgMyW4x4iY8lDthXjo9K12cO1w:s7fvOZ
TLSH T12A76AFB431541CF7EA2F66BBCAE53CED43B22722479A64CC21B4F6C11653671EE29C48
TrID 84.7% (.MSP) Windows Installer Patch (44509/10/5)
15.2% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter burger
Tags:msi RustyStealer SantaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
56
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Score:
91.7%
Tags:
vmdetect phishing
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 cmd installer lolbin overlay wix
Verdict:
Malicious
File Type:
msi
First seen:
2026-03-27T12:45:00Z UTC
Last seen:
2026-03-29T01:48:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.Win64.Stealer.asft Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win64.Agent.sb Trojan.Win32.Inject.sb
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Drops executables to the windows directory (C:\Windows) and starts them
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1890258 Sample: Launcher.msi Startdate: 27/03/2026 Architecture: WINDOWS Score: 72 40 Multi AV Scanner detection for submitted file 2->40 8 msiexec.exe 3 4 2->8         started        12 msiexec.exe 2 2->12         started        process3 file4 32 C:\Windows\Installer\MSI96CC.tmp, PE32+ 8->32 dropped 46 Drops executables to the windows directory (C:\Windows) and starts them 8->46 14 MSI96CC.tmp 5 8->14         started        signatures5 process6 file7 34 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\dbb6d3eb.exe, PE32+ 14->36 dropped 48 Multi AV Scanner detection for dropped file 14->48 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->50 18 cmd.exe 1 14->18         started        21 dbb6d3eb.exe 14->21         started        23 WerFault.exe 2 14->23         started        25 WerFault.exe 2 14->25         started        signatures8 process9 signatures10 42 Uses ping.exe to sleep 18->42 44 Uses ping.exe to check the status of other devices and networks 18->44 27 PING.EXE 1 18->27         started        30 conhost.exe 18->30         started        process11 dnsIp12 38 127.0.0.1 unknown unknown 27->38
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable Office Document PDB Path PE (Portable Executable) PE File Layout
Threat name:
Win64.Trojan.Ravartar
Status:
Malicious
First seen:
2026-03-27 14:37:00 UTC
File Type:
Binary (Archive)
Extracted files:
3
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Views/modifies file attributes
Browser Information Discovery
Event Triggered Execution: Installer Packages
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Enumerates connected drives
Credentials from Password Stores: Windows Credential Manager
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
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:Check_OutputDebugStringA_iat
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:pe_detect_tls_callbacks
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Rustyloader_mem_loose
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
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
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.

Comments