MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 308c3a08755665e84f4771b869b4df3f2eee9adde83cf1efe935e47d92583fc3. 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: 10

Intelligence 10 IOCs YARA 25 File information Comments

SHA256 hash:	308c3a08755665e84f4771b869b4df3f2eee9adde83cf1efe935e47d92583fc3
SHA3-384 hash:	1aee1338d9aac5e14f68420f449b6d1bdd5e0ce1a3556fceab763c04abbe51c4bb4582f64440fe945735542fb0b1c636
SHA1 hash:	b58757e59fafc4552a3f8248fa84c38c546ba57c
MD5 hash:	26ad6cfb72daa463cf8c0dc72d31a6f2
humanhash:	cardinal-yankee-fourteen-kitten
File name:	image_00949405995.jpg.hta
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	14'740 bytes
First seen:	2026-09-29 07:28:49 UTC
Last seen:	Never
File type:	hta
MIME type:	text/html
ssdeep	48:3vi/XlvprzLXlPuSprzNosPIIdLkOuuuuBbuuuuuu6oUryXlArXlJLLiYprziyXM:fiv9tfltOfeUruCFthV+
TLSH	T13162353F8550EC6E60A7E0E953893D46A4A0BD39D4578B32F89C0127D36036EDD35299
Magika	txt
Reporter	abuse_ch
Tags:	hta RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Script.SNH-gen.77914197.UNOFFICIAL

SecuriteInfo.com.VBS.Obfuscated-IO.27253244.UNOFFICIAL

Result

Verdict:

Malicious

File Type:

HTA File - Malicious

Link:

https://app.docguard.net/308c3a08755665e84f4771b869b4df3f2eee9adde83cf1efe935e47d92583fc3/results/dashboard

Payload URLs

URL

File name

http://96.8.112.30/53/verynice.vbe

HTA File

Behaviour

BlacklistAPI detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade powershell

Link:

https://www.filescan.io/uploads/6abb68c7e82d65e79f3f5d58/reports/d010b085-ccef-4b2e-8e2c-c27fabaf6aba/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/308c3a08755665e84f4771b869b4df3f2eee9adde83cf1efe935e47d92583fc3

Verdict:

Malicious

File Type:

html

First seen:

2026-09-29T05:21:00Z UTC

Last seen:

2026-09-29T20:57:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/308c3a08755665e84f4771b869b4df3f2eee9adde83cf1efe935e47d92583fc3/results?tab=lookup

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1979292

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Connects to many ports of the same IP (likely port scanning)

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to register a low level keyboard hook

Contains functionality to steal Internet Explorer form passwords

Contains functionalty to change the wallpaper

Detected Remcos RAT

Disable UAC(promptonsecuredesktop)

Encrypted powershell cmdline option found

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

PowerShell case anomaly found

Powershell connects to network

Sigma detected: MSHTA Suspicious Execution 01

Sigma detected: Potentially Suspicious PowerShell Child Processes

Sigma detected: Remcos

Sigma detected: Script Interpreter Execution From Suspicious Folder

Sigma detected: Suspicious Encoded PowerShell Command Line

Sigma detected: Suspicious MSHTA Child Process

Sigma detected: Suspicious PowerShell Parameter Substring

Sigma detected: Suspicious Script Execution From Temp Folder

Sigma detected: WScript or CScript Dropper

Suspicious execution chain found

Suspicious powershell command line found

Tries to harvest and steal browser information (history, passwords, etc)

Unusual module load detection (module proxying)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

WScript reads language and country specific registry keys (likely country aware script)

Wscript starts Powershell (via cmd or directly)

Yara detected Powershell decode and execute

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/308c3a08755665e84f4771b869b4df3f2eee9adde83cf1efe935e47d92583fc3

Verdict:

inconclusive

YARA:

3 match(es)

Tags:

Html PowerShell

Link:

https://app.malva.re/file/26ad6cfb72daa463cf8c0dc72d31a6f2

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/308c3a08755665e84f4771b869b4df3f2eee9adde83cf1efe935e47d92583fc3/

Threat name:

Win32.Trojan.Ravartar

Status:

Malicious

First seen:

2026-09-29 07:18:49 UTC

File Type:

Text (HTML)

Extracted files:

AV detection:

10 of 24 (41.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=gcgducdvkzs6qt2hog4gtng7h4xo5gw55a6pd37jgxsh3esyh7bq._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection defense_evasion discovery execution rat

Link:

https://tria.ge/reports/260929-jbbn6svxd1/

Behaviour

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

Enumerates physical storage devices

Executes a command shell one-liner

Reads the TCP/IP host and domain name from the registry

System Location Discovery: System Language Discovery

ConfuserEx .NET packer

Executes a VBScript file via the Windows Script Host.

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Enumerates connected drives

Checks computer location settings

Badlisted process makes network request

Command and Scripting Interpreter: PowerShell

Family: Remcos

Malware Config

C2 Extraction:

155.103.71.115:15607
155.103.71.115:15606

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/308c3a087556/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/308c3a08755665e84f4771b869b4df3f2eee9adde83cf1efe935e47d92583fc3

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

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. 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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

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:	SUSP_Script_PowerShell_Hidden_Launcher Create hunting rule
Author:	Marjoriefort
Description:	Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:	Veille fraicheur 2026-09-14 / cluster misses web

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:	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_Clipboard_Clipper_Thengavar Create hunting rule
Author:	Thengavar
Description:	Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks

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 308c3a08755665e84f4771b869b4df3f2eee9adde83cf1efe935e47d92583fc3

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3924838/

Delivery method

Distributed via web download

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample