MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2. 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: 13

Intelligence 13 IOCs YARA 30 File information Comments

SHA256 hash:	b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2
SHA3-384 hash:	af1707b812b1d482310d2b0200fb4f6d112236ae22a3fc84af66e3cb7e2730a777aa47ab2f62b18f14ca86ba377134e4
SHA1 hash:	65f1819e2836d7cd182b6ce6fd5f4e87d6a9c433
MD5 hash:	d2225bb4662457a69d91eb3ff6f10e9e
humanhash:	alanine-carbon-lactose-ceiling
File name:	IMAGES____009940400000030303030000000394000EEEE.hta
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	72'823 bytes
First seen:	2025-09-24 17:04:41 UTC
Last seen:	Never
File type:	hta
MIME type:	text/html
ssdeep	1536:epLV5fZx04DPPI8Lcsq6LzS85Ea56QJFLjoBdCH:epLV5fZx0yPPI8d28SLQJmS
Threatray	1'578 similar samples on MalwareBazaar
TLSH	T1C26353484B1A28B49F27727EEF2194D2FAA605635170434DFDEC2512EBBB028F1E1D6D
Magika	html
Reporter	abuse_ch
Tags:	hta RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Script.SNH-gen.24346177.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68d548391e4783989051dfe9

Tags:

obfuscate xtreme virus

Result

Verdict:

Malicious

File Type:

HTA File - Malicious

Link:

https://app.docguard.net/b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2/results/dashboard

Payload URLs

URL

File name

http://ixti.net/development/javascript/2011/11/11/moisteners-enfictioniseddefictionised-of-utf8-in-browser-with-js.html

HTA File

Behaviour

BlacklistAPI detected

Verdict:

Malicious

Labled as:

BZC.UGZ.Boxter.261

Link:

https://www.hybrid-analysis.com/sample/b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2

Verdict:

Malicious

File Type:

hta

First seen:

2025-09-23T11:02:00Z UTC

Last seen:

2025-09-23T11:02:00Z UTC

Hits:

~100

Detections:

Trojan-Downloader.JS.SLoad.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic

Link:

https://opentip.kaspersky.com/b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2/results?tab=lookup

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1783467

Signature

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to determine the online IP of the system

Contains functionality to register a low level keyboard hook

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Contains functionalty to change the wallpaper

Detected Remcos RAT

Found hidden mapped module (file has been removed from disk)

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

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

Performs DNS queries to domains with low reputation

Queries the IP of a very long domain name

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: Remcos

Sigma detected: Suspicious MSHTA Child Process

Suricata IDS alerts for network traffic

Suspicious powershell command line found

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)

Writes to foreign memory regions

Yara detected Powershell download and execute

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Yara detected WebBrowserPassView password recovery tool

Behaviour

Behavior Graph:

Download SVG

Score:

92%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2

Verdict:

inconclusive

YARA:

2 match(es)

Tags:

Html

Link:

https://app.malva.re/file/d2225bb4662457a69d91eb3ff6f10e9e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2/

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2

Threat name:

Document-HTML.Backdoor.Remcos

Status:

Malicious

First seen:

2025-09-24 05:30:46 UTC

File Type:

Text (HTML)

Extracted files:

AV detection:

14 of 38 (36.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w3r25mkwkjba4hfsc2hix3i6kgyl2xfxfzee7oy25vrvjvxoh3ra._file

Verdict:

malicious

Label(s):

admintool_mailpassview

remcos

nirsoft

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos collection discovery execution rat

Link:

https://tria.ge/reports/250924-vmbn4axky2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Looks up external IP address via web service

Checks computer location settings

Badlisted process makes network request

Command and Scripting Interpreter: PowerShell

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Remcos

Remcos family

Malware Config

C2 Extraction:

verybestfuckingpersonieseeninmylifetrulystupidmanwhoaorundon.ydns.eu:14646

Dropper Extraction:

http://172.245.209.143/img/optimized_MSI.png

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b6e3aeb15652/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2

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 Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	CP_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_EXE_Packed_MPress Create hunting rule
Author:	ditekSHen
Description:	Detects executables built or packed with MPress PE compressor

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Remcos Create hunting rule
Author:	kevoreilly
Description:	Remcos Payload

Rule name:	remcos_ Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked remcos malware samples.

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	Remcos_unpacked_PulseIntel Create hunting rule
Author:	PulseIntel
Description:	Remcos Payload

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
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 Create hunting rule

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Windows_Trojan_Remcos_b296e965 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.remcos.

Rule name:	win_remcos_rat_unpacked Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	win_remcos_w0 Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	yarahub_win_remcos_rat_unpacked_aug_2023 Create hunting rule
Author:	Matthew @ Embee_Research

File information

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

Web download

RemcosRAT

hta b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3631209/

Delivery method

Distributed via web download

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