MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea28b85e97fdfe77335e8625586212f0df64ceee15c8290d17b75e6096694d81. 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: 13


Intelligence 13 IOCs YARA 26 File information Comments

SHA256 hash: ea28b85e97fdfe77335e8625586212f0df64ceee15c8290d17b75e6096694d81
SHA3-384 hash: ef7176db1a3fd1b38127fd69fbcc4d3fb2528be582cbc98a0cfe3d80e30d0bb897859866e5f1c1fa7befda38c7a18a0c
SHA1 hash: cc514536ad84fca256cb1e5f7255f18a6809e6d0
MD5 hash: 1f7aa3a0425d198ff16df8e903d56aac
humanhash: sink-black-illinois-pasta
File name:4J8576A0E8V3.exe
Download: download sample
Signature SantaStealer
File size:2'696'704 bytes
First seen:2026-04-12 08:07:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f1d840d6eae17d90e2995a85b3633177 (1 x SantaStealer)
ssdeep 49152:i795t5WNFN8llgHKWmBNzD+CnySA88RvCEOV70eM1VM6Wys:i795vWNP2lsV+f+CnW86CEOVEDjWy
TLSH T16DC5029F31E62069F9E83330D47577B60ED2BD8A78E49E8CC694552C7E0D02D498E2F9
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 tcains1
Tags:exe SantaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
kk.exe
Verdict:
Malicious activity
Analysis date:
2026-04-11 05:48:37 UTC
Tags:
auto generic violetworm worm njrat xenorat rat stealerium bladabindi evasion pastebin xworm remote uac telegram metasploit stealer github loader stealeriumstealer amsi-bypass santastealer coinminer miner

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autorun agentb lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Query of malicious DNS domain
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm dllhost lolbin packed stealer unsafe
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-08T14:58:00Z UTC
Last seen:
2026-04-12T06:58:00Z UTC
Hits:
~10
Detections:
Trojan-Dropper.Win32.Injector.sb HEUR:Trojan.Win32.Agentb.gen HEUR:HackTool.Multi.AmsiETWPatch.gen Trojan.Win64.Agentb.sb Trojan.Win32.Inject.sb
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.RustyStealer
Status:
Malicious
First seen:
2026-04-08 21:28:54 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
20 of 36 (55.56%)
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:
ea28b85e97fdfe77335e8625586212f0df64ceee15c8290d17b75e6096694d81
MD5 hash:
1f7aa3a0425d198ff16df8e903d56aac
SHA1 hash:
cc514536ad84fca256cb1e5f7255f18a6809e6d0
SH256 hash:
162371c0f4b79fa2a7ba4eefc6f5c270c5a2c02a50b1ffecb4d0cb02d3fffe66
MD5 hash:
df3d9410072aad59a26682a0693b404e
SHA1 hash:
4521d2384e22271057d57a16a4dedb231e349ee6
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.

Web download

SantaStealer

Executable exe ea28b85e97fdfe77335e8625586212f0df64ceee15c8290d17b75e6096694d81

(this sample)

  
Delivery method
Distributed via web download

Comments