MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0897cfd849935fa8e4174994bedf6feddd9ebdeca7860e37ed4153468e443eb. 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 26 File information Comments

SHA256 hash:	f0897cfd849935fa8e4174994bedf6feddd9ebdeca7860e37ed4153468e443eb
SHA3-384 hash:	3124a8a8a4e21b825b8b5bb21cd6d11c4c5ae440ea01114ef784231e621d4c1b682eca8bec8413b95f355a4c06db53e9
SHA1 hash:	eca64823692582c8b4a9e2837cac804a2dd16b99
MD5 hash:	578cbe9b900fc9f69d63277f43df451b
humanhash:	colorado-mirror-ack-pip
File name:	f0897cfd849935fa8e4174994bedf6feddd9ebdeca7860e37ed4153468e443eb.JS
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	9'234'208 bytes
First seen:	2025-11-17 15:03:39 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	98304:e33MYZxWLS+SQMw6AonyQxmm82R4Pzudc41e09A0ZuZ:23MYZxW2+SQ5onyO3BR46iueCA0ZuZ
Threatray	2'132 similar samples on MalwareBazaar
TLSH	T14996C71567E4D09BC6A7EEB5EA2D2690AC0E3D2728C20C5BF539756B306F85CE630D31
Magika	javascript
Reporter	Anonymous
Tags:	js RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

121

Origin country :

Vendor Threat Intelligence

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=691b397b434cd67b17c28390

Tags:

autoit emotet

Verdict:

Malicious

Labled as:

Trojan/JS.Obfuscated

Link:

https://www.hybrid-analysis.com/sample/f0897cfd849935fa8e4174994bedf6feddd9ebdeca7860e37ed4153468e443eb

Verdict:

Malicious

File Type:

First seen:

2025-11-17T03:15:00Z UTC

Last seen:

2025-11-19T13:11:00Z UTC

Hits:

~1000

Detections:

BSS:Trojan.Win32.Generic HEUR:Trojan-Dropper.Script.Generic HEUR:Trojan.Script.Generic

Link:

https://opentip.kaspersky.com/f0897cfd849935fa8e4174994bedf6feddd9ebdeca7860e37ed4153468e443eb/results?tab=lookup

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/f0897cfd849935fa8e4174994bedf6feddd9ebdeca7860e37ed4153468e443eb

Gathering data

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/f0897cfd849935fa8e4174994bedf6feddd9ebdeca7860e37ed4153468e443eb/

Threat name:

Script-JS.Trojan.Redirector

Status:

Malicious

First seen:

2025-11-16 23:47:59 UTC

File Type:

Text (JavaScript)

AV detection:

8 of 24 (33.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6cexz7mete27vdsbosmux3pw73o5t266zj4gby362qkti2heipvq._file

Verdict:

malicious

Label(s):

nirsoft

admintool_mailpassview

remcos

Result

Malware family:

donutloader

Score:

10/10

Tags:

family:donutloader collection discovery execution loader

Link:

https://tria.ge/reports/251117-sfs9fscl3w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Checks computer location settings

Executes dropped EXE

Detected Nirsoft tools

NirSoft MailPassView

Detects DonutLoader

DonutLoader

Donutloader family

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/f0897cfd849935fa8e4174994bedf6feddd9ebdeca7860e37ed4153468e443eb

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_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 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_obfuscated_JS_obfuscatorio Create hunting rule
Author:	@imp0rtp3
Description:	Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:	https://obfuscator.io

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:	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_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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