MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 30803b05d6ff1fbf9f15831af1cf50e210b0ee6679badd8daf3f0e00aee90b9d. 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: 12


Intelligence 12 IOCs YARA 22 File information Comments

SHA256 hash: 30803b05d6ff1fbf9f15831af1cf50e210b0ee6679badd8daf3f0e00aee90b9d
SHA3-384 hash: 8d0992331a9372618715afbe1f50583a994aae3dfc4fbb709de43bf8c8039babc239d88e2130afd629ad579750f3fbce
SHA1 hash: 512412815866e55699ffeefa1880e6144fb8490e
MD5 hash: cdf9ff22142a50bfc398bcf36209eb18
humanhash: april-november-robin-freddie
File name:setup.exe
Download: download sample
Signature RustyStealer
File size:2'700'288 bytes
First seen:2026-04-09 20:04:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eb3d37cae5b55ff788a6ad9ecd9d46f4 (3 x RustyStealer)
ssdeep 49152:APq50O84FtW4cgDo9c7P2J2CKKJguAt87Y15XHdfqwP5CYN14t30X:APq5ljFtWTr9c7LKquAt8s1BHtq+VHU8
TLSH T143C502ED2C92B876CFCC0976C544006F61757AFA5AB0A2AD34E2FBD5142C908DB859F3
TrID 45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
18.0% (.EXE) Win64 Executable (generic) (6522/11/2)
13.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.ICL) Windows Icons Library (generic) (2059/9)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 0000000000000000 (898 x AgentTesla, 540 x Formbook, 316 x RedLineStealer)
Reporter burger
Tags:exe RustyStealer SantaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
133
Origin country :
BE BE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2026-04-09 12:00:38 UTC
Tags:
telegram stealer antivm auto-sch santastealer auto coinminer miner susp-powershell

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
phishing lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
DNS request
Connection attempt
Reading critical registry keys
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Query of malicious DNS domain
Connection attempt to an infection source
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm packed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-09T09:15:00Z UTC
Last seen:
2026-04-10T10:38:00Z UTC
Hits:
~100
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
88 / 100
Signature
Allocates memory in foreign processes
Contain functionality to detect virtual machines
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Contains functionality to inject code into remote processes
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sets debug register (to hijack the execution of another thread)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win64.Trojan.RustyStealer
Status:
Malicious
First seen:
2026-04-09 12:00:44 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access defense_evasion discovery execution persistence spyware stealer
Behaviour
Checks processor information in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
Browser Information Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Credentials from Password Stores: Windows Credential Manager
Executes dropped EXE
Unsecured Credentials: Credentials In Files
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Unpacked files
SH256 hash:
30803b05d6ff1fbf9f15831af1cf50e210b0ee6679badd8daf3f0e00aee90b9d
MD5 hash:
cdf9ff22142a50bfc398bcf36209eb18
SHA1 hash:
512412815866e55699ffeefa1880e6144fb8490e
SH256 hash:
c3664434db3c4bb0bfc12e7a1fcaf5cf6129929df9bdfb93888aab73e144fbe5
MD5 hash:
2d66caf5e945a9263a40919be9416997
SHA1 hash:
0b65f8ada337158e2c5506b74025d259e744a739
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: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:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.

File information


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

Comments