MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8. 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: 14

Intelligence 14 IOCs YARA 40 File information Comments

SHA256 hash:	d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8
SHA3-384 hash:	da423fc64eb6c83ec5bf1c0248fe44df09557bf204020a77f57306265018f7d5cacfa905767c20a90ac742fe3df2858c
SHA1 hash:	a6be48edd66df269a5993d632f26087ef33a0d3c
MD5 hash:	3165e03933fcd40df28a26773d21a736
humanhash:	queen-wolfram-july-fruit
File name:	mygoodnetworkingskillforgoodpersoncome.hta
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	7'517 bytes
First seen:	2026-07-11 07:11:41 UTC
Last seen:	2026-07-11 13:16:58 UTC
File type:	hta
MIME type:	text/html
ssdeep	96:VTpB3RVRoli0g/ert3grzkE67Oto4/E21:FpwiN4tJEEwoaEQ
Threatray	1'375 similar samples on MalwareBazaar
TLSH	T126F1DE64238AD2DBD2FDDE17C021A9D1D3735001C60D7622796EA3E48F2685467BBE3B
Magika	html
Reporter	abuse_ch
Tags:	hta RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.HTML.HideMe-22.UNOFFICIAL

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a51ecfa13f68731ed6b8e73

Tags:

spawn hype sage

Result

Verdict:

Malicious

File Type:

HTA File - Malicious

Link:

https://app.docguard.net/d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8/results/dashboard

Payload URLs

URL

File name

http://010013116117/img/MSI_PRO.png

HTA File

Behaviour

BlacklistAPI detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm downloader dropper fingerprint formbook powershell

Link:

https://www.filescan.io/uploads/6a51ecb974b7e4747355d4d7/reports/93ba0d39-dea5-4024-b1d3-d122110a21c2/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8

Verdict:

Malicious

File Type:

hta

First seen:

2026-07-10T05:22:00Z UTC

Last seen:

2026-07-11T06:40:00Z UTC

Hits:

~100

Detections:

Trojan-Downloader.Agent.HTTP.C&C Backdoor.Remcos.HTTP.C&C Trojan.Multi.Agent.gen Trojan.JS.SAgent.sb Trojan-Dropper.PowerShell.Agent.aft HEUR:Trojan.Script.Generic

Link:

https://opentip.kaspersky.com/d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8/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/1940890

Signature

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to inject code into remote processes

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

Creates processes via WMI

Delayed program exit found

Detected large data written to user environment variables, potentially indicating payload staging for fileless execution

Detected Remcos RAT

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 submitted file

Sigma detected: Remcos

Sigma detected: Suspicious MSHTA Child Process

Suricata IDS alerts for network traffic

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)

Unusual module load detection (module proxying)

Writes to foreign memory regions

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:

Download SVG

Score:

91%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8

Verdict:

inconclusive

YARA:

2 match(es)

Tags:

Html

Link:

https://app.malva.re/file/3165e03933fcd40df28a26773d21a736

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8/

Verdict:

Malicious

Threat:

Family.REMCOSRAT

Link:

https://tip.neiki.dev/file/d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8

Threat name:

Document-HTML.Backdoor.Remcos

Status:

Malicious

First seen:

2026-07-10 14:39:59 UTC

File Type:

Text (HTML)

Extracted files:

AV detection:

12 of 36 (33.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2ub4dwkxjxvytbkwiovq2eddxqudghgduwap44uguvv7zcyjv7ea._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection discovery execution rat

Link:

https://tria.ge/reports/260711-h11h6adx3j/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

outlook_office_path

Command and Scripting Interpreter: PowerShell

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Accesses Microsoft Outlook profiles

Badlisted process makes network request

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Family: Remcos

Process spawned unexpected child process

Malware Config

C2 Extraction:

141.98.10.150:14641
141.98.10.150:14642
141.98.10.150:14643
141.98.10.150:14644

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d503c1d9574d/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/d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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:	Detect_all_IPv6_variants Create hunting rule
Author:	Bierchermuesli
Description:	Generic IPv6 catcher

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:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

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_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

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:	MalScript_Tricks Create hunting rule
Author:	@bartblaze
Description:	Identifies tricks often seen in malicious scripts such as moving the window off-screen or resizing it to zero.

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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

Rule name:	nirsoft_v1 Create hunting rule
Author:	RandomMalware

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_RAT_variants Create hunting rule

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

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

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:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
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 Create hunting rule
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_Remcos_921ef449 Create hunting rule
Author:	Elastic Security

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 d503c1d9574deb89855643ab0d1063bc28331cc3a580fe7286a56bfc8b09afc8

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3884804/

Delivery method

Distributed via web download

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