MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 631e20139a33c5d770e793b3775e9ffd86994f230d6e0eeb5dd8e2bd27953f8c. 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: 14

Intelligence 14 IOCs YARA 35 File information Comments

SHA256 hash:	631e20139a33c5d770e793b3775e9ffd86994f230d6e0eeb5dd8e2bd27953f8c
SHA3-384 hash:	9b261ae6b53606b596f0ba29c8e9d9b95678bfa15f71c4a3b132c10b91bf9c3349bf79d13fbffe33f91f20a70ac2ce4b
SHA1 hash:	4790520f980a8087b975012bfb1586a49f9b2aff
MD5 hash:	c2829a0573be1d0049501067ee09368c
humanhash:	william-yankee-william-tennessee
File name:	BL_MAEU5866853O.vbe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	92'931 bytes
First seen:	2026-07-15 06:30:26 UTC
Last seen:	Never
File type:	vbe
MIME type:	text/plain
ssdeep	384:C2rU/xw+UJRnIT53nonw6CaRzukRACAN3OAE1yQ9kgUGKizuPIKjwmHT4Jl:xrU/xw+1now6CBcb67EQGDucJl
Threatray	1'771 similar samples on MalwareBazaar
TLSH	T1A79384681305C0878842B61AC5529DFADAF43B163DF85ACA120045F75ABEEDFBCB5CD2
Magika	vba
Reporter	abuse_ch
Tags:	RAT RemcosRAT vbe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Script.SNH-gen.63139847.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a572928b3055706bb5547cb

Tags:

ransomware shell hype

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

downloader encrypted evasive obfuscated

Link:

https://www.filescan.io/uploads/6a57291d1c063fc4843162b4/reports/10a4e786-a590-4d29-ba57-aadad790cc7b/overview

Verdict:

Malicious

Labled as:

GT:VB.Downloader.1130

Link:

https://www.hybrid-analysis.com/sample/631e20139a33c5d770e793b3775e9ffd86994f230d6e0eeb5dd8e2bd27953f8c

Verdict:

Malicious

File Type:

vbs

First seen:

2026-07-15T00:24:00Z UTC

Last seen:

2026-07-17T04:36:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/631e20139a33c5d770e793b3775e9ffd86994f230d6e0eeb5dd8e2bd27953f8c/results?tab=lookup

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1942616

Signature

AI detected malicious Powershell script

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to inject code into remote processes

Contains functionality to register a low level keyboard hook

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Contains functionalty to change the wallpaper

Delayed program exit found

Detected Remcos RAT

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Sigma detected: Potentially Suspicious ASP.NET Compilation Via AspNetCompiler

Sigma detected: Remcos

Sigma detected: Script Initiated Connection to Non-Local Network

Sigma detected: Suspicious PowerShell Parameter Substring

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain found

System process connects to network (likely due to code injection or exploit)

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)

Uses dynamic DNS services

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

Writes to foreign memory regions

WScript reads language and country specific registry keys (likely country aware script)

Wscript starts Powershell (via cmd or directly)

Yara detected Generic JS Downloader

Yara detected Powershell decode and execute

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

73%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/631e20139a33c5d770e793b3775e9ffd86994f230d6e0eeb5dd8e2bd27953f8c

Verdict:

Malware

YARA:

1 match(es)

Tags:

MSXML2.DOMDocument T1059.005 VBScript

Link:

https://app.malva.re/file/c2829a0573be1d0049501067ee09368c

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/631e20139a33c5d770e793b3775e9ffd86994f230d6e0eeb5dd8e2bd27953f8c/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2026-07-15 06:30:56 UTC

File Type:

Text (VBS)

AV detection:

9 of 24 (37.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=mmpcae42gpc5o4hhsozxoxu77wdjstzdbvxa52253drl2j4vh6ga._file

Verdict:

malicious

Label(s):

admintool_mailpassview

remcos

fantomcrypt

nirsoft

RemcosRAT

75879d86cbcb3ece0ae2586a94c84cc867af39a799b9faa20e914eea8d9e323b

RemcosRAT

75f0a13b548a29be733e8e7dcff844d4b2fc151aa01418b1ab0ed968c17aa040

RemcosRAT

82521f120291f02708e3787da16dbcecde8d8c93f81fae2745bc5d7d0fb0df62

RemcosRAT

adac9865fbb10c53cae9f3d670bf07270274d7f0ba7732a115c4e46f73c48d09

RemcosRAT

bd508ca26a1917807c4daba2f960be5243f831ab1119e947349349703254595d

RemcosRAT

d113f72b9248e3a89d72d1238a8465af7857822b82951681cff22391ffff3039

RemcosRAT

e7a7b1d0ebf9cbb2760f3795b42b1b39596ab0eabf1cb12417ba2e8e42494708

RemcosRAT

+ 1'761 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection discovery execution rat

Link:

https://tria.ge/reports/260715-g9xcesdw8j/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

Command and Scripting Interpreter: PowerShell

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Accesses Microsoft Outlook profiles

Checks computer location settings

Badlisted process makes network request

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Family: Remcos

Malware Config

C2 Extraction:

judasbuoyeahuruhusitemnaakezigbonduyaaaa.duckdns.org:4098

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/631e20139a33/report/overview.html

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/631e20139a33c5d770e793b3775e9ffd86994f230d6e0eeb5dd8e2bd27953f8c

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

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:	Detect_all_IPv6_variants Create hunting rule
Author:	Bierchermuesli
Description:	Generic IPv6 catcher

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_EXE_Packed_MPress Create hunting rule
Author:	ditekSHen
Description:	Detects executables built or packed with MPress PE compressor

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. 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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	nirsoft_v1 Create hunting rule
Author:	RandomMalware

Rule name:	OBFUS_PowerShell_Common_Replace Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects the common usage of replace for obfuscation

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	TeslaCryptPackedMalware Create hunting rule

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

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.

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_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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