MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d386e3cc57fa553b1069eb4274550b56a7795346a2127d86659022566eeb87d. 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: 12

Intelligence 12 IOCs 1 YARA 23 File information Comments

SHA256 hash:	1d386e3cc57fa553b1069eb4274550b56a7795346a2127d86659022566eeb87d
SHA3-384 hash:	1e2c05b948daf2404716198b3681aa03374461a42f4a5fbaa9c9622a6e701e8ec48e5930a57ff5964809d7b13c1dd145
SHA1 hash:	19bd1c6c9147bb3802f5863119dee9f04966ef03
MD5 hash:	704e77764ff0cf0f499effd0a72cbbb7
humanhash:	eight-bravo-arizona-golf
File name:	RFQ and company profile22012600945867.JS.js
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	5'830'195 bytes
First seen:	2026-09-22 06:10:09 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	98304:1YCawjTakipg7TcEf5THu/Rp98rss8iZUcWJbVuZQfb2jVA6zLa8VoF6/YLsft3q:JW0Av+rj8iZyJAZgKjVA6/a76/pVTirB
TLSH	T14646844117856A32B2A9676C5336C821F50D101B2AC3DF19B2ACD71DBBA980BD75CEF3
Magika	txt
Reporter	abuse_ch
Tags:	js RAT RemcosRAT

abuse_ch

RemcosRAT C2:
207.244.87.65:2404

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
207.244.87.65:2404	https://threatfox.abuse.ch/ioc/1926351/

Intelligence

File Origin

# of uploads :

# of downloads :

170

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Other.Malware-gen.79591881.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug dropper evasive lolbin obfuscated packed repaired tracker

Link:

https://www.filescan.io/uploads/6ab21bce426e8d476092dd59/reports/62d53024-08ab-4c96-8b1d-0067892d7561/overview

Verdict:

Malicious

Labled as:

Trojan.Cryxos.JS

Link:

https://www.hybrid-analysis.com/sample/1d386e3cc57fa553b1069eb4274550b56a7795346a2127d86659022566eeb87d

Verdict:

Malicious

File Type:

First seen:

2026-09-22T02:17:00Z UTC

Last seen:

2026-09-24T04:22:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/1d386e3cc57fa553b1069eb4274550b56a7795346a2127d86659022566eeb87d/results?tab=lookup

Result

Threat name:

Remcos, DonutLoader

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1975967

Signature

C2 URLs / IPs found in malware configuration

Detected Remcos RAT

Found API chain indicative of debugger detection

Found direct / indirect Syscall (likely to bypass EDR)

Found malware configuration

JavaScript source code contains call to eval() to check own source code (likely for evading instrumentation)

JavaScript source code contains functionality to generate code involving a shell, file or stream

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: Invoke-Obfuscation CLIP+ Launcher

Sigma detected: Invoke-Obfuscation VAR+ Launcher

Sigma detected: Remcos

Sigma detected: Suspicious Command Patterns In Scheduled Task Creation

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Unusual module load detection (module proxying)

Uses schtasks.exe or at.exe to add and modify task schedules

Uses whoami command line tool to query computer and username

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

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

Yara detected DonutLoader

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/1d386e3cc57fa553b1069eb4274550b56a7795346a2127d86659022566eeb87d

Gathering data

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/1d386e3cc57fa553b1069eb4274550b56a7795346a2127d86659022566eeb87d/

Threat name:

Script-JS.Trojan.Cryxos

Status:

Malicious

First seen:

2026-09-22 06:10:54 UTC

File Type:

Text (JavaScript)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=du4g4pgfp6svhmigt22corkqwvvhpfjuniqspwdglebckzxoxb6q._file

Verdict:

malicious

Label(s):

DonutLoader

Remcos

Link:

https://reports.threatray.com/6b57e799-22a5-4606-ad6b-7bfdce0ce8a8

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos execution persistence rat suricata

Link:

https://tria.ge/reports/260922-gw6zpshf33/

Behaviour

Modifies registry class

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Executes a command shell one-liner

Checks computer location settings

Executes dropped EXE

Family: Remcos

Suricata alert: REMCOS RAT Malware Inbound C2 Communication

Suricata alert: REMCOS RAT Malware Outbound C2 Communication

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/1d386e3cc57fa553b1069eb4274550b56a7795346a2127d86659022566eeb87d

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:	pe_detect_tls_callbacks Create hunting rule

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

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:	SUSP_VBS_Randomized_ActiveX_Downloader Create hunting rule
Author:	Marjoriefort
Description:	Dropper VBS obfusque : ActiveXObject a identifiant randomise (20 MAJ), SaveToFile, .Run
Reference:	Veille fraicheur 2026-09-14 / grappe VBS randomisee

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:	TigerRAT_pe_yaraify Create hunting rule
Author:	hunts-yara-code
Description:	YARAify-tightened byte rule from 9 sample(s) -- VERIFY hits

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_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.

No further information available

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