MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 793da9a61dc44b1e54a2d356b1da94cbc3876bfb948b25ed8d16b9a9ea525c23. 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 YARA 28 File information Comments

SHA256 hash:	793da9a61dc44b1e54a2d356b1da94cbc3876bfb948b25ed8d16b9a9ea525c23
SHA3-384 hash:	2b1305b32e1af1fefb82c16f40896e908838f87d49e1e12ab77a0d9360659cfe84b982cd243e80686aee190dbefcb529
SHA1 hash:	44a4f647b481ada9996c71615e617788de0082d8
MD5 hash:	5b10aa0c327820059b01795961f7415c
humanhash:	sink-five-alaska-four
File name:	PO-3746535564.JS
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	4'856'465 bytes
First seen:	2026-10-14 15:41:14 UTC
Last seen:	2026-10-14 15:42:42 UTC
File type:	js
MIME type:	application/javascript
ssdeep	98304:EoiMHbPNWVA7u4YdLqegvOdJHUDgHEGmOzlcgARhC1a1/KgG3ESor6j48tjqnCww:ENwRx2qNvOw2EGmOzlcgP5p3ES1jBSC7
TLSH	T1E7262A4E23449DBA6619570E853AF9608D0B611330C5EFBD31EDB20837A8D1B5B5EEE3
Magika	javascript
Reporter	TomU
Tags:	js RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

133

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad15cf76f551121ba1660d1

Tags:

cobalt virus shell sage

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug dropper evasive modiloader obfuscated obfuscated packed repaired unsafe

Link:

https://www.filescan.io/uploads/6acfa2aaac4a931626962dc2/reports/68be6cdb-4f2d-4924-9fd8-cf5c46fd1683/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/793da9a61dc44b1e54a2d356b1da94cbc3876bfb948b25ed8d16b9a9ea525c23

Verdict:

Malicious

File Type:

First seen:

2026-10-12T07:30:00Z UTC

Last seen:

2026-10-16T09:25:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/793da9a61dc44b1e54a2d356b1da94cbc3876bfb948b25ed8d16b9a9ea525c23/results?tab=lookup

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/793da9a61dc44b1e54a2d356b1da94cbc3876bfb948b25ed8d16b9a9ea525c23

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/793da9a61dc44b1e54a2d356b1da94cbc3876bfb948b25ed8d16b9a9ea525c23/

Threat name:

Win32.Trojan.Malgent

Status:

Malicious

First seen:

2026-10-12 15:13:59 UTC

File Type:

Text (JavaScript)

AV detection:

13 of 38 (34.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=pe62tjq5yrfr4vfc2nlldwuuzpbyo273ssfsl3mnc242t2sslqrq._file

Verdict:

malicious

Label(s):

DonutLoader

Remcos

Link:

https://reports.threatray.com/dbe42738-713a-482c-8313-9bfa26413eca

Result

Malware family:

remcos

Score:

10/10

Tags:

family:donutloader family:remcos botnet:remotehost discovery execution loader rat

Link:

https://tria.ge/reports/261014-s46jpafs2z/

Behaviour

Modifies registry class

NTFS ADS

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Executes a command shell one-liner

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

Checks computer location settings

Executes dropped EXE

Detects DonutLoader

Family: DonutLoader

Family: Remcos

Malware Config

C2 Extraction:

ocean012.duckdns.org:7474
oceanbiggi907.duckdns.org:7474

Malware family:

DonutLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/793da9a61dc4/report/overview.html

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/793da9a61dc44b1e54a2d356b1da94cbc3876bfb948b25ed8d16b9a9ea525c23

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

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_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_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.

Malspam

RemcosRAT

js 793da9a61dc44b1e54a2d356b1da94cbc3876bfb948b25ed8d16b9a9ea525c23

(this sample)

Delivery method

Distributed via e-mail attachment

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