MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e11133df35ffece8b92c73ee3239a1f85010d1f7a1722b846f9751b5ddc992e. 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: 11

Intelligence 11 IOCs 1 YARA 33 File information Comments

SHA256 hash:	4e11133df35ffece8b92c73ee3239a1f85010d1f7a1722b846f9751b5ddc992e
SHA3-384 hash:	da13cc74d77e6ece6fa38dd43239a43d3c5fecf54263430fd3fdfd25a546e6763111dab05539dd0598dde56a7faef02e
SHA1 hash:	818c7d12585099dc01bbcfebc4d6987dce02763c
MD5 hash:	4dd34720093c65cccf2ba1195bb518ca
humanhash:	victor-orange-idaho-uniform
File name:	pesananpembeliankuartalterakhirtahun2026.JS.js
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	6'117'937 bytes
First seen:	2026-10-23 02:25:10 UTC
Last seen:	Never
File type:	js
MIME type:	application/javascript
ssdeep	98304:yK2jZpZ6VE86P9xDsic8oaq75tbEPlxylrFtKb0uDfci3wRMsH0+z9m7weCYCGMo:PGN86l9Fc8ov75uvEi3weCdm7wnAMJMN
TLSH	T123564901DDC39662715FFB9B9B13C9634669002B2E014739ABF98BCB663B9073DDC189
Magika	txt
Reporter	abuse_ch
Tags:	js RAT RemcosRAT

abuse_ch

RemcosRAT C2:
206.123.137.134:56090

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
206.123.137.134:56090	https://threatfox.abuse.ch/ioc/1981269/

Intelligence

File Origin

# of uploads :

# of downloads :

189

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Trojan.JS.Agent.23252.5684.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6adac59eafb06e650cd8ca5b

Tags:

shell sage blic

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug dropper evasive expired-cert obfuscated obfuscated reconnaissance repaired

Link:

https://www.filescan.io/uploads/6adac59aed53c10f7270ff64/reports/3a4f47c9-e011-4b04-ad19-45595b004a99/overview

Verdict:

Malicious

Labled as:

JS/TrojanDropper.ModiLoader

Link:

https://www.hybrid-analysis.com/sample/4e11133df35ffece8b92c73ee3239a1f85010d1f7a1722b846f9751b5ddc992e

Verdict:

Malicious

File Type:

First seen:

2026-10-22T23:03:00Z UTC

Last seen:

2026-10-24T07:09:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/4e11133df35ffece8b92c73ee3239a1f85010d1f7a1722b846f9751b5ddc992e/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/1990817

Signature

Allocates memory in foreign processes

Antivirus detection for dropped file

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

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

Found direct / indirect Syscall (likely to bypass EDR)

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

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

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

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

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

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)

Unusual module load detection (module proxying)

Uses dynamic DNS services

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

Writes to foreign memory regions

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

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Verdict:

inconclusive

YARA:

1 match(es)

Link:

https://app.malva.re/file/4dd34720093c65cccf2ba1195bb518ca

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4e11133df35ffece8b92c73ee3239a1f85010d1f7a1722b846f9751b5ddc992e/

Threat name:

Script-JS.Downloader.ModiLdr

Status:

Malicious

First seen:

2026-10-23 02:25:36 UTC

File Type:

Binary

AV detection:

9 of 38 (23.68%)

Threat level:

3/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jyirgpptl77m5c4sy47ogi42d6cqcdi7pilsfocg7f2rwxo4texa._file

Verdict:

malicious

Label(s):

Remcos

Link:

https://reports.threatray.com/e4a9a111-c0c3-44d0-ade7-f613d7e4ce4b

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:fortune$$ collection discovery execution rat suricata

Link:

https://tria.ge/reports/261023-c1lr4shs7z/

Behaviour

Modifies registry class

NTFS ADS

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Executes a command shell one-liner

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Accesses Microsoft Outlook profiles

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Detected Nirsoft tools

Family: Remcos

Suricata alert: REMCOS RAT Malware Inbound C2 Communication

Suricata alert: REMCOS RAT Malware Outbound C2 Communication

Malware Config

C2 Extraction:

gahour5lamo1.duckdns.org:56090
gahour5lamo2.duckdns.org:56090
gahour5lamo3.duckdns.org:56090
gahour5lamo4.duckdns.org:56090
yam.janou8kaburo1.com:56090

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/4e11133df35ffece8b92c73ee3239a1f85010d1f7a1722b846f9751b5ddc992e

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:	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:	JP_Lure_Content_Hunt Create hunting rule
Author:	sumeshi
Description:	Hunts for files containing Japanese kana text or common Japanese lure terminology

Rule name:	MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects AgentTesla (inconnu, etat extrait)

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_All_Windows_PE_Malware Create hunting rule
Author:	DiegoAnalytics
Description:	Detects Windows PE malware of all types, avoids non-executables like .html

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:	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_Malware_Unknown_ForgeAuto_2ffc3572 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_74566f98 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_79234c04 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

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.

No further information available

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