MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40b36d05de040e006567ed76b788aa25790b41ff6fc54567bf4996f4b7a89fcc. 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



SantaStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 21 File information Comments

SHA256 hash: 40b36d05de040e006567ed76b788aa25790b41ff6fc54567bf4996f4b7a89fcc
SHA3-384 hash: 02468af1ac354b1e4367f3220cf9917b8f1930ba420fef19836a911e1b849f64d7d076e894ff0761c398d8c611199439
SHA1 hash: b90cea1d348ee3ad12ec34b8391593b81b89b26b
MD5 hash: 606afecc4dc7e3467e29161636aab4ce
humanhash: freddie-cold-fillet-table
File name:Loader.msi
Download: download sample
Signature SantaStealer
File size:2'199'552 bytes
First seen:2026-04-14 12:42:18 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:fNHKfGiSt2jDmxJC+xxsP7OOKZ0HtJZeUpt3mw5R5PqHnrSuAqK9S:ZkLleqQxVINTe82EWnuaK0
TLSH T121A523017A080F93D41190B2B47FAA305E399DB432BB2D72B4D9FB7F6CB199986974C1
TrID 84.7% (.MSP) Windows Installer Patch (44509/10/5)
15.2% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter abuse_ch
Tags:msi SantaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug installer overlay packed wix
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
msi
First seen:
2026-04-14T09:49:00Z UTC
Last seen:
2026-04-16T04:44:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Agentb.sb Trojan.Win32.Inject.sb Trojan-Dropper.Win64.Agent.sb Trojan.Win32.Waldek.sb Trojan.Win32.Waldek.cmcu HEUR:Trojan.OLE2.Alien.gen
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Contain functionality to detect virtual machines
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Multi AV Scanner detection for dropped file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Qwexlafiba
Status:
Malicious
First seen:
2026-04-14 12:42:45 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer
Behaviour
Checks processor information in registry
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
Views/modifies file attributes
Browser Information Discovery
Event Triggered Execution: Installer Packages
Drops file in System32 directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Enumerates connected drives
Executes dropped EXE
Loads dropped DLL
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
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.

File information


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

Web download

SantaStealer

Microsoft Software Installer (MSI) msi 40b36d05de040e006567ed76b788aa25790b41ff6fc54567bf4996f4b7a89fcc

(this sample)

  
Delivery method
Distributed via web download

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