MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0. 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: 16

Intelligence 16 IOCs YARA 11 File information Comments

SHA256 hash:	8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0
SHA3-384 hash:	58e3dbacddab56464516afa7b97a8e1206c4625085e7184a763569b04469be34a9ca61784b2e79f14929a46a106b6653
SHA1 hash:	9d64bd761d84aa6dad80837295fb652ea6853b51
MD5 hash:	bfd43d788c70e05414bb6b642267895c
humanhash:	purple-kentucky-alanine-item
File name:	Factura_OC_ Lubritem Mexico_565767887.docx
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	226'481 bytes
First seen:	2026-04-16 06:43:34 UTC
Last seen:	Never
File type:	doc
MIME type:	application/vnd.openxmlformats-officedocument.wordprocessingml.document
ssdeep	3072:OjC6jmDnmSPWfl3Fbsljc9pafjDuND+45yzhc2wKwdx+kska6WV/XteY3m8IDqtv:OYXWfPslYqLDuNDzN2a4v60zHsqtv
TLSH	T12524129EE2A8800FE10600F6795263EEFB7AFD7A4135AC557531E290E2F31E2D363944
TrID	52.2% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4) 38.8% (.ZIP) Open Packaging Conventions container (17500/1/4) 8.8% (.ZIP) ZIP compressed archive (4000/1)
Magika	docx
Reporter	JAMESWT_WT
Tags:	66-63-170-12 doc lubritem RemcosRAT Spam-ITA

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

Embedded Images

MalwareBazaar found the following images embedded in this file:

MD5 hash	dc.creator	# of relations
46c8c07dc05b544bcf968656827200cd	91974	2

OLE dump

MalwareBazaar was able to identify 6 sections in this file using oledump:

Section ID	Section size	Section name
A1	94 bytes	CompObj
A2	20 bytes	Ole
A3	1504468 bytes	EPRINT
A4	6 bytes	ObjInfo
A5	126233 bytes	CONTENTS

Intelligence

File Origin

# of uploads :

# of downloads :

144

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

MSO

Details

MSO

extracted OLE packages, if they are present within the input OOXML document

Link:

https://research.acce.ciphertechsolutions.com/results/8b86ad22-63f2-4eb3-a5e0-1527aa70d3fc/

Malware family:

n/a

ID:

File name:

Factura_OC_ Lubritem Mexico_565767887.docx

Verdict:

Malicious activity

Analysis date:

2026-04-16 06:41:47 UTC

Tags:

doc-url cve-2017-0199 exploit

Link:

https://app.any.run/tasks/7060ff91-a8f2-49d5-98fb-aad377f678b7

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Sanesecurity.Malware.30525.XmlHeur.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69e0853bf68adfe1003a50a0

Tags:

office trojan lien remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for synchronization primitives

Creating a window

Creating a file

Connection attempt

Sending a custom TCP request

DNS request

Launching a process

Creating a file in the %AppData% directory

Searching for the window

Using the Windows Management Instrumentation requests

Creating a process with a hidden window

Possible injection to a system process

Connection attempt by exploiting the app vulnerability

Sending an HTTP GET request

Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)

Launching a process by exploiting the app vulnerability

Sending a custom TCP request by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

OOXML Word File with Embedding Objects

Link:

https://app.docguard.net/8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0/results/dashboard

Document image

Image:

Download PNG

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

CVE-2017-0199 exploit masquerade

Link:

https://www.filescan.io/uploads/69e085265ea31bc68a2ffc63/reports/9f802c60-906d-4dc8-8994-2bdd83b0e721/overview

Verdict:

Malicious

Labled as:

GrayWare/MSOffice.Agent

Link:

https://www.hybrid-analysis.com/sample/8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0

Label:

Benign

Suspicious Score:

/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=284c0d0f-a791-4b43-a478-e03a1ba90d92

Result

Verdict:

UNKNOWN

Link:

https://labs.inquest.net/dfi/sha256/8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0

Details

Document With Few Pages

Document contains between one and three pages of content. Most malicious documents are sparse in page count.

External Relationship Element

Document contains an externally hosted relationship, which fetches further content.

Verdict:

Malicious

File Type:

docx

First seen:

2026-04-15T17:43:00Z UTC

Last seen:

2026-04-17T23:09:00Z UTC

Hits:

~1000

Detections:

Trojan.Win32.Shelma.sb HEUR:Trojan-Downloader.MSOffice.Agent.gen HEUR:Exploit.OLE2.Generic HEUR:Exploit.MSOffice.CVE-2018-0802.gen Exploit.MSOffice.CVE-2018-0802.b Backdoor.Win32.Remcos.sb Trojan.MSIL.Crypt.sb Trojan.MSOffice.Agent.sb HEUR:Exploit.MSOffice.Generic Trojan-Downloader.MSIL.Agent.c Exploit.MSOffice.CVE-2017-11882.sb PDM:Exploit.Win32.Generic Trojan-Downloader.MSOffice.SLoad.sb Trojan.MSOffice.SAgent.sb Trojan-Downloader.Agent.HTTP.C&C HEUR:Trojan.Script.Generic HEUR:Trojan.MSOffice.Badur.genw

Link:

https://opentip.kaspersky.com/8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0/results?tab=lookup

Score:

100%

Verdict:

Malware

File Type:

OFFICE

Link:

https://malprob.io/report/8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0

Gathering data

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0/

Verdict:

Malicious

Threat:

Backdoor.Win32.Remcos

Link:

https://tip.neiki.dev/file/8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2026-04-15 20:39:34 UTC

File Type:

Document

Extracted files:

AV detection:

6 of 24 (25.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=r2ay5vzzupgljc5d5jo5zzdcwur6cjc4tpf3mxwc4axr4qpfp6qa._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/260416-hhdaxact4y/

Behaviour

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

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/8e818ed739a3ccb48ba3ea5ddce462b523e1245c9bcbb65ec2e02f1e41e57fa0

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:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	EXPL_Office_TemplateInjection_Aug19 Create hunting rule
Author:	Florian Roth
Description:	Detects possible template injections in Office documents, particularly those that load content from external sources
Reference:	https://attack.mitre.org/techniques/T1221/

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

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.

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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