MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d2e77912e2e1d9d8cafb76d4562686cfaad556ca1df1919bfba304b31193402. 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



CastleRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash: 8d2e77912e2e1d9d8cafb76d4562686cfaad556ca1df1919bfba304b31193402
SHA3-384 hash: e7311288c689c2b2e589f382323e94ca801b9c5b5e9ea76271e4c2208b1b8030e5f2b8c5bd7dd731d93a5b464c366f01
SHA1 hash: 1c7eaeb3540f98854bf25caf8d3486bbd0e1788f
MD5 hash: d9266e1046dcb50d7888f0123937e1c2
humanhash: sierra-ten-bacon-hydrogen
File name:2026-01-21_d9266e1046dcb50d7888f0123937e1c2_glassworm_icedid_luca-stealer_njrat_stealc.exe
Download: download sample
Signature CastleRAT
File size:1'649'152 bytes
First seen:2026-03-29 04:03:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash feb81294efff63737bcc7d08a56f0729 (1 x CastleRAT)
ssdeep 24576:2Rf0IUYY0AAh6t19jAexbIV6KpBPPq0Adou3hLBCUQq1q5zWjUGn6xIsKxLT:/NaSRFjU5en
TLSH T13F75D507EBB651E4D8FAC1399666722BBC71385983349BD797408A474B62FF0E93E340
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter KnownSpotter
Tags:castlerat exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
137
Origin country :
CA CA
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
2026-01-21_d9266e1046dcb50d7888f0123937e1c2_glassworm_icedid_luca-stealer_njrat_stealc.exe
Verdict:
Malicious activity
Analysis date:
2026-03-12 01:49:41 UTC
Tags:
nightshadec2 botnet castlerat 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 virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Restart of the analyzed sample
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Launching a process
Creating a process with a hidden window
Setting a global event handler for the keyboard
Connection attempt to an infection source
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug castlerat crypto evasive fingerprint keylogger microsoft_visual_cc nightshadec2 stealer unsafe windows
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-01-19T01:00:00Z UTC
Last seen:
2026-03-30T14:08:00Z UTC
Hits:
~10
Gathering data
Threat name:
Win64.Trojan.Vigorf
Status:
Malicious
First seen:
2026-01-20 02:05:00 UTC
File Type:
PE+ (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
castlerat
Similar samples:
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
8d2e77912e2e1d9d8cafb76d4562686cfaad556ca1df1919bfba304b31193402
MD5 hash:
d9266e1046dcb50d7888f0123937e1c2
SHA1 hash:
1c7eaeb3540f98854bf25caf8d3486bbd0e1788f
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: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_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:NightshadeC2
Author:YungBinary
Description:NightshadeC2 AKA CastleRAT - https://x.com/YungBinary/status/1963751038340534482
Rule name:RANSOMWARE
Author:ToroGuitar
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: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.
Rule name:Windows_Trojan_NightshadeC2_80e08aba
Author:Elastic Security

File information


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

Comments