MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71266a14831e72491febec7a2daec4c2c5fb21ed441c697c5b6da062f1b23e04. 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 19 File information Comments

SHA256 hash:	71266a14831e72491febec7a2daec4c2c5fb21ed441c697c5b6da062f1b23e04
SHA3-384 hash:	5e87cc740410d64eb2bf6e6a5bd1a04cd900750f43c462078c06de0566bd0dc654a593695924e47bf67db8be0f315c62
SHA1 hash:	3a2909fcb7d251dd3209a67a3aa72d4dad9376fa
MD5 hash:	8012d52fcb181019dfbc7d438fbb4f61
humanhash:	mobile-uniform-salami-mississippi
File name:	Purchase_Order2478.js
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	5'790'582 bytes
First seen:	2026-01-05 09:36:46 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	98304:HttcsL4SfPSQqOJsG8KtYg5iv7bzcfJoR:Htao9XY2Mb5R
Threatray	1'241 similar samples on MalwareBazaar
TLSH	T15F46B62F6AD50283D416B9FD6E2E66504C4F290F2ACB1C5F7139F9EB34AE808D911D72
Magika	javascript
Reporter	smica83
Tags:	js officedirectorq-com officedirectorqbackup-com officedirectorqsecondbackup-com RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

122

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Clean

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=695b864be148d42004df7599

Tags:

n/a

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug autoit dropper evasive expired-cert fingerprint keylogger masquerade obfuscated repaired

Link:

https://www.filescan.io/uploads/695b86492fb7bb52ca877941/reports/c2485947-8bcd-477e-96d8-4380fead4d2a/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/71266a14831e72491febec7a2daec4c2c5fb21ed441c697c5b6da062f1b23e04

Verdict:

Malicious

File Type:

First seen:

2026-01-05T06:04:00Z UTC

Last seen:

2026-01-06T06:50:00Z UTC

Hits:

~10

Detections:

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

Link:

https://opentip.kaspersky.com/71266a14831e72491febec7a2daec4c2c5fb21ed441c697c5b6da062f1b23e04/results?tab=lookup

Result

Threat name:

Remcos, DonutLoader

Detection:

malicious

Classification:

phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1844788

Signature

Allocates memory in foreign processes

C2 URLs / IPs found in malware configuration

Creates a thread in another existing process (thread injection)

Detected Remcos RAT

Found malware configuration

Installs a global keyboard hook

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

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Sigma detected: Execution from Suspicious Folder

Sigma detected: Remcos

Sigma detected: Suspicious Creation with Colorcpl

Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

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)

Unusual module load detection (module proxying)

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

Writes to foreign memory regions

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/71266a14831e72491febec7a2daec4c2c5fb21ed441c697c5b6da062f1b23e04/

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/71266a14831e72491febec7a2daec4c2c5fb21ed441c697c5b6da062f1b23e04

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=oetgufeddzzesh7l5r5c3lweylc7wipniqogs7c3nwqgf4nshyca._file

Verdict:

malicious

Label(s):

nirsoft

remcos

admintool_mailpassview

Result

Malware family:

donutloader

Score:

10/10

Tags:

family:donutloader collection discovery execution loader

Link:

https://tria.ge/reports/260105-llm63atlgz/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

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:

Suspicious File

Score:

0.60

Link:

https://yomi.yoroi.company/submissions/71266a14831e72491febec7a2daec4c2c5fb21ed441c697c5b6da062f1b23e04

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:	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:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

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:	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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