MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66bf111030a2e22db575c0b7b7b677208745eef8b44265bb4259f41f126f1bf8. 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



MillenuimRAT


Vendor detections: 10


Intelligence 10 IOCs YARA 17 File information Comments

SHA256 hash: 66bf111030a2e22db575c0b7b7b677208745eef8b44265bb4259f41f126f1bf8
SHA3-384 hash: 600064c7159c8537534551bcc0c64c355cbc6a455b22998ed46565026e7be7c13eb631f556171e8b934c1452074ee1af
SHA1 hash: 3b1c9ed95e3fcf2439f5ba4527a68cddf4d580e7
MD5 hash: 83cc7dc0b212e8f5ae5f21f66e527e49
humanhash: maryland-triple-yankee-jupiter
File name:file
Download: download sample
Signature MillenuimRAT
File size:2'743'296 bytes
First seen:2026-02-06 12:46:40 UTC
Last seen:2026-02-06 13:18:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0131b5b473cafe75a5bb1e8916187db2 (1 x MillenuimRAT)
ssdeep 49152:RVYiIY9XX0FByqrRcmGWJn6RvGfgEkXA5JDh1O1jok0UmSg9MY:BtXX0a2RZGEn6RvGfT1I1j
TLSH T1AAC59D61F782D0B2F5E301B056BFABF64D387631572594CBF2C01E6959206C27A3AB1B
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 MillenuimRAT


Avatar
Bitsight
url: http://130.12.180.43/files/7924412375/upOSLDn.exe

Intelligence


File Origin
# of uploads :
12
# of downloads :
146
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_66bf111030a2e22db575c0b7b7b677208745eef8b44265bb4259f41f126f1bf8.exe
Verdict:
Malicious activity
Analysis date:
2026-02-06 12:47:31 UTC
Tags:
telegram github evasion auto-reg stealer ims-api generic milleniumrat rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
infosteal dropper keylog smtp
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 cmd crypto expand fingerprint hacktool keylogger lolbin microsoft_visual_cc zusy
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan-PSW.MSIL.Stealer.sb HEUR:Trojan-PSW.Win32.Disco.gen Trojan-PSW.Win32.Disco.sb Trojan-PSW.Win32.Coins.sb
Gathering data
Gathering data
Result
Malware family:
milleniumrat
Score:
  10/10
Tags:
family:milleniumrat credential_access discovery rat spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
System Time Discovery
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Executes dropped EXE
Reads user/profile data of web browsers
Uses browser remote debugging
Detects MilleniumRAT stealer
MilleniumRat
Milleniumrat family
Unpacked files
SH256 hash:
66bf111030a2e22db575c0b7b7b677208745eef8b44265bb4259f41f126f1bf8
MD5 hash:
83cc7dc0b212e8f5ae5f21f66e527e49
SHA1 hash:
3b1c9ed95e3fcf2439f5ba4527a68cddf4d580e7
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM names
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxUserNames
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM usernames
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:telebot_framework
Author:vietdx.mb
Rule name:TelegramAPIMalware_PowerShell_EXE
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
Rule name:WIN_WebSocket_Base64_C2_20250726
Author:dogsafetyforeverone
Description:Detects configuration strings used by malware to specify WebSocket command-and-control endpoints inside Base64-encoded data. It looks for prefixes such as '#ws://' or '#wss://' that were found in QuasarRAT configuration data.

File information


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

Web download

MillenuimRAT

Executable exe 66bf111030a2e22db575c0b7b7b677208745eef8b44265bb4259f41f126f1bf8

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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