MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42caae0666649bd94561b64d976c762bf990ca592f66eb13a68ca9ab3f3b825e. 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 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42caae0666649bd94561b64d976c762bf990ca592f66eb13a68ca9ab3f3b825e
SHA3-384 hash: a8e4196ceb498a029eba6aec9b41b276cd92b20d532ed1afb56bd2b9230142c8c94340d634478093a199cd48c8d56b28
SHA1 hash: 9406a4bb458282fdb547e2277f283766ced38bfb
MD5 hash: ef54cef50100a1a2a45da8dddcfdb729
humanhash: hydrogen-lima-football-virginia
File name:FeroxV3.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:6'966'272 bytes
First seen:2026-04-02 21:54:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 43bde8802b940524fb43cd661cade5e1 (4 x RustyStealer)
ssdeep 24576:/In2qHqH34KSEU3qzPAVA/iUD82JGVQhVdaiLyKZn5+mOc1J+0DH8y+wsq6uA63L:U+Tmc
TLSH T19666BFB831446CFB672F52BBC99A3CDD43762772878A98CD6074B3C21913665FE26C18
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 1818181818181818 (1 x RustyStealer)
Reporter burger
Tags:exe RustyStealer SantaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
FeroxV3.exe
Verdict:
Malicious activity
Analysis date:
2026-04-02 21:53:44 UTC
Tags:
telegram stealer susp-powershell santastealer
Link:
https://app.any.run/tasks/49219286-1304-45f1-9139-5a4c69d1a08c

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/60295/
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for the window
Launching a process
DNS request
Reading critical registry keys
Connection attempt
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
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/42caae0666649bd94561b64d976c762bf990ca592f66eb13a68ca9ab3f3b825e
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-02T18:56:00Z UTC
Last seen:
2026-04-04T13:18:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Inject.sb HEUR:Trojan.Win64.OffensiveGolang.gen Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Stealer.HTTP.C&C Trojan.Win64.Agentb.sb
Link:
https://opentip.kaspersky.com/42caae0666649bd94561b64d976c762bf990ca592f66eb13a68ca9ab3f3b825e/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/1423552a-14f6-4fe7-aad2-640c7401761d
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1893088
Signature
Found evasive API chain (may stop execution after checking mutex)
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/42caae0666649bd94561b64d976c762bf990ca592f66eb13a68ca9ab3f3b825e
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/ef54cef50100a1a2a45da8dddcfdb729
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42caae0666649bd94561b64d976c762bf990ca592f66eb13a68ca9ab3f3b825e/
Verdict:
Malicious
Threat:
Family.SANTASTEALER
Link:
https://tip.neiki.dev/file/42caae0666649bd94561b64d976c762bf990ca592f66eb13a68ca9ab3f3b825e
Threat name:
Win64.Trojan.Tasker
Create hunting rule
Status:
Malicious
First seen:
2026-04-02 21:54:50 UTC
File Type:
PE+ (Exe)
Extracted files:
4
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ilfk4btgmsn5srlbwzgzo3dwfp4zbsszf5towe5grsu2wpz3qjpa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access defense_evasion discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/260402-1synpsb13q/
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
Accesses cryptocurrency files/wallets, possible credential harvesting
Credentials from Password Stores: Windows Credential Manager
Executes dropped EXE
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
Unpacked files
SH256 hash:
42caae0666649bd94561b64d976c762bf990ca592f66eb13a68ca9ab3f3b825e
MD5 hash:
ef54cef50100a1a2a45da8dddcfdb729
SHA1 hash:
9406a4bb458282fdb547e2277f283766ced38bfb
Link:
https://www.unpac.me/results/678ca406-0e04-40c5-b4e9-c8756210ff65/
SH256 hash:
8caf211b8c9e03400b69ec336bb057d06a890d334f3a37ba1ca5a0b75487c9af
MD5 hash:
67d3992802aa788df2c7c1fc32949cd8
SHA1 hash:
e18e941251a74c25468e869efec7080b6f02d847
Link:
https://www.unpac.me/results/678ca406-0e04-40c5-b4e9-c8756210ff65/
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/42caae0666649bd94561b64d976c762bf990ca592f66eb13a68ca9ab3f3b825e

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
Create hunting rule
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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)
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
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
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.

Cape
Cape
https://www.capesandbox.com/analysis/60295/

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