MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8c460c335f07c534e5e5632d1730c2add83be67d6d31e882002c4aeb4bca2c7c. 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
RemcosRAT
Vendor detections: 15
| SHA256 hash: | 8c460c335f07c534e5e5632d1730c2add83be67d6d31e882002c4aeb4bca2c7c |
|---|---|
| SHA3-384 hash: | fd05657aafc4a6c4c4427b539a87aeff877a140a5657c2f03ea8b1b2fc94c62be2bf64bb5e77d07c77b07c3febae1ae6 |
| SHA1 hash: | 612745ec86726361059cdd475541094fd979404c |
| MD5 hash: | ea826af3bfdcce7563a2740e6131141e |
| humanhash: | helium-apart-foxtrot-helium |
| File name: | Quotation.js |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'029'909 bytes |
| First seen: | 2025-11-06 00:35:07 UTC |
| Last seen: | 2025-11-06 10:29:47 UTC |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 12288:Il0pytTaKrNSBSSRKLDvtjVLdsJ+5vPcgy+DqF4L2ugYhyVKq1j6XvuO+3msvKLH:Il3nSRKLTLxklHI/nzI1jFpsYV9SJj |
| Threatray | 690 similar samples on MalwareBazaar |
| TLSH | T1D1256CBC2B8CE09CDE6E91174156AB27C63EF22577035399005A2FF80A465CCDACF9B5 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js RAT RemcosRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 91.92.243.7:1155 | https://threatfox.abuse.ch/ioc/1634296/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
126
Origin country :
NLVendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
obfuscate xtreme lien sage
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint obfuscated powershell powershell repaired
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Verdict:
Malicious
File Type:
js
First seen:
2025-11-05T20:10:00Z UTC
Last seen:
2025-11-07T22:15:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.JS.Cryptoload.sb Trojan.VBS.SAgent.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic HEUR:Trojan.PowerShell.Tesre.sb Trojan.PowerShell.AmsiBypass.sb
Result
Threat name:
Remcos, DonutLoader
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected DonutLoader
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Script-JS.Trojan.Cryxos
Status:
Malicious
First seen:
2025-11-06 00:35:31 UTC
File Type:
Text (HTML)
AV detection:
4 of 36 (11.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
nirsoft
donutloader
admintool_mailpassview
remcos
Similar samples:
+ 680 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Score:
10/10
Tags:
family:donutloader collection discovery execution loader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Detects DonutLoader
DonutLoader
Donutloader family
Process spawned unexpected child process
Malware family:
WebBrowserPassView
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| 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: | 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: | INDICATOR_EXE_Packed_MPress |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables built or packed with MPress PE compressor |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | Remcos_unpacked_PulseIntel |
|---|---|
| Author: | PulseIntel |
| Description: | Remcos Payload |
| Rule name: | SUSP_PS1_JAB_Pattern_Jun22_1 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable |
| Reference: | Internal Research |
| 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: | TeslaCryptPackedMalware |
|---|
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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