MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b85cf17f8ee8e1830ed682080e7b5f7babdee3ecf6951358533c7359cb6b89fa. 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 28 File information Comments

SHA256 hash:	b85cf17f8ee8e1830ed682080e7b5f7babdee3ecf6951358533c7359cb6b89fa
SHA3-384 hash:	7198ce60accd25b9613baa5ce8af984ba3b0f232605ca6f0db2655662e9cab5814e42157e2a57410df26538ff867a8f8
SHA1 hash:	06b8a306c3b7ef45141250e9bdd4e77afc7c550d
MD5 hash:	ad66ca5fe11954aba4a060b8e0b10e82
humanhash:	jupiter-alaska-gee-music
File name:	Enquiry PM-H24008.js
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	4'116'139 bytes
First seen:	2026-10-20 14:17:02 UTC
Last seen:	2026-10-20 16:33:29 UTC
File type:	js
MIME type:	text/plain
ssdeep	12288:W7TzvVgoFbeppT6WjgKxX5wbKIWKdflY40gS7ZMUAPH8s+Kp19TEaYgroXgKW0nj:4UL
TLSH	T10216CEE445295578DABEA394BADF9A8C0E2ECB5048507DDF403D1C8F0FCAF53A8A585C
Magika	c
Reporter	James_inthe_box
Tags:	exe js RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

206

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Other.Malware-gen.19924536.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad777f1afb06e650cd7ef4a

Tags:

keylog blic word

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug dropper evasive lolbin obfuscated packed reconnaissance repaired wscript

Link:

https://www.filescan.io/uploads/6ad777f321689bd5b3c572cb/reports/5c6dc568-7b53-416c-93a4-ae00637dd32a/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/b85cf17f8ee8e1830ed682080e7b5f7babdee3ecf6951358533c7359cb6b89fa

Verdict:

Malicious

File Type:

First seen:

2026-10-20T01:42:00Z UTC

Last seen:

2026-10-22T12:13:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/b85cf17f8ee8e1830ed682080e7b5f7babdee3ecf6951358533c7359cb6b89fa/results?tab=lookup

Score:

98%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/b85cf17f8ee8e1830ed682080e7b5f7babdee3ecf6951358533c7359cb6b89fa

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b85cf17f8ee8e1830ed682080e7b5f7babdee3ecf6951358533c7359cb6b89fa/

Threat name:

Script-JS.Trojan.Malgent

Status:

Malicious

First seen:

2026-10-20 08:25:55 UTC

File Type:

Text (JavaScript)

AV detection:

13 of 24 (54.17%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xbopc74o5dqygdwwqiea4627pov55y7m62krgwcthrzvts3lrh5a._file

Verdict:

malicious

Label(s):

DonutLoader

Remcos

Link:

https://reports.threatray.com/82026eed-505b-4b6b-9724-99239010a7c5

Result

Malware family:

remcos

Score:

10/10

Tags:

family:donutloader family:remcos botnet:b19m discovery execution loader persistence ransomware rat

Link:

https://tria.ge/reports/261020-rltlqs1sdy/

Behaviour

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

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

System Location Discovery: System Language Discovery

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Registers new Windows logon scripts automatically executed at logon.

Detects DonutLoader

Family: DonutLoader

Family: Remcos

Malware Config

C2 Extraction:

94.156.152.7:2065
kingremcos2026.duckdns.org:2065

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/b85cf17f8ee8e1830ed682080e7b5f7babdee3ecf6951358533c7359cb6b89fa

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

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 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:	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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