MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82bdf2586c0f7b37448e40c854af2b48fdb5d27dbf43d3f6d18f772e02ccc1c1. 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: 9

Intelligence 9 IOCs 1 YARA 21 File information Comments

SHA256 hash:	82bdf2586c0f7b37448e40c854af2b48fdb5d27dbf43d3f6d18f772e02ccc1c1
SHA3-384 hash:	1e3525fc1040b187fb6fffca251438a47ab122f01104d53973ecb6502412b0bb7eded48922a685c39b63235b3180e0a0
SHA1 hash:	7c023cdf7d64dc1efc15b637882bd6cda94898df
MD5 hash:	af00ac12d1ac92fc0a2f2172df07c572
humanhash:	robert-ten-emma-sixteen
File name:	SOAStatement-WEBBEDSTVLEETBooking #0001255399.js
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	5'507'105 bytes
First seen:	2026-09-07 02:25:05 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	98304:JybLFytyNeFszKEOElwp3M9xAY8DPpV/EbGwAV8IjhWRJ2kc1EIGJdTQiN1TyxlK:JybLFYyNIgKEOWG33bH/E6xU2bVwV9NX
TLSH	T10C4660E15361DA32B32957CC52368AA49509728305E1DB1D31BCD626BB2FCC77378EE2
Magika	txt
Reporter	abuse_ch
Tags:	js RAT RemcosRAT

abuse_ch

RemcosRAT C2:
198.50.119.153:2404

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
198.50.119.153:2404	https://threatfox.abuse.ch/ioc/1903197/

Intelligence

File Origin

# of uploads :

# of downloads :

168

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug dropper evasive masquerade obfuscated obfuscated packed repaired

Link:

https://www.filescan.io/uploads/6a9e208d1e9fcee10649a470/reports/91e93dc1-e82c-419a-b962-e7f06605d0b0/overview

Verdict:

Suspicious

Labled as:

JS/TrojanDropper.ModiLoader

Link:

https://www.hybrid-analysis.com/sample/82bdf2586c0f7b37448e40c854af2b48fdb5d27dbf43d3f6d18f772e02ccc1c1

Verdict:

Unknown

File Type:

Link:

https://opentip.kaspersky.com/82bdf2586c0f7b37448e40c854af2b48fdb5d27dbf43d3f6d18f772e02ccc1c1/results?tab=lookup

Result

Threat name:

DonutLoader, Remcos

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1969152

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to inject threads in other processes

Contains functionality to steal Internet Explorer form passwords

Found API chain indicative of debugger detection

Found direct / indirect Syscall (likely to bypass EDR)

Found malware configuration

Installs a global keyboard hook

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: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Tries to detect sandboxes / dynamic malware analysis system (Installed program check)

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

Tries to steal Mail credentials (via file registry)

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)

Yara detected DonutLoader

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Gathering data

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/82bdf2586c0f7b37448e40c854af2b48fdb5d27dbf43d3f6d18f772e02ccc1c1/

Gathering data

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=qk67ewdmb55toreoidefjlzljd63lut5x5b5h5wrr53s4awmyhaq._file

Verdict:

malicious

Label(s):

DonutLoader

Remcos

Link:

https://reports.threatray.com/af63c700-a51c-4c1b-aa8a-7964c89cee3e

Result

Malware family:

remcos

Score:

10/10

Tags:

family:donutloader family:remcos execution loader rat suricata

Link:

https://tria.ge/reports/260907-cwfejabm2y/

Behaviour

Modifies registry class

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Checks computer location settings

Executes dropped EXE

Detects DonutLoader

Family: DonutLoader

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/82bdf2586c0f7b37448e40c854af2b48fdb5d27dbf43d3f6d18f772e02ccc1c1

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:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

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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