MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13e9e508c4a67f7c026a0c3edcd604a445d66454044c5d74ba2e4f31fa26c0a5. 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: 9

Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash:	13e9e508c4a67f7c026a0c3edcd604a445d66454044c5d74ba2e4f31fa26c0a5
SHA3-384 hash:	ab5ff3b714c90b05330ee7416ebd325766925867fe3a135f905bd30edcc82c9d6e1be811fa76273bbcd254a953a2229a
SHA1 hash:	eeadba5a6a6781ae488b72f14b7de27cb070b310
MD5 hash:	f52da17486565b6ad54b95e213ff8ce3
humanhash:	lamp-virginia-seven-georgia
File name:	31agosto.vbs
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	133'399 bytes
First seen:	2025-06-17 06:05:39 UTC
Last seen:	Never
File type:	vbs
MIME type:	text/plain
ssdeep	1536:q8R7NEzb/rgGpRrjDJkCkRFklYBtyo9hxUmleC3N:RR7QgGpdDJkCkRFkCyEheXmN
Threatray	1'245 similar samples on MalwareBazaar
TLSH	T159D3A6236D162220FAB3EB93562E961AEED45173000652177E5DB7701F3330FADE926B
Magika	vba
Reporter	abuse_ch
Tags:	RemcosRAT vbs

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/9790/

Gathering data

Verdict:

Malicious

Labled as:

PowerShell/TrojanDownloader.Agent

Link:

https://www.hybrid-analysis.com/sample/13e9e508c4a67f7c026a0c3edcd604a445d66454044c5d74ba2e4f31fa26c0a5

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1716134

Signature

Bypasses PowerShell execution policy

Connects to a pastebin service (likely for C&C)

Found suspicious powershell code related to unpacking or dynamic code loading

Found Tor onion address

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines

Sigma detected: New RUN Key Pointing to Suspicious Folder

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: PowerShell Base64 Encoded Reflective Assembly Load

Sigma detected: Suspicious PowerShell Parameter Substring

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

Sigma detected: WScript or CScript Dropper

Suspicious execution chain found

Suspicious powershell command line found

VBScript performs obfuscated calls to suspicious functions

Wscript starts Powershell (via cmd or directly)

Yara detected Powershell decode and execute

Yara detected Powershell download and execute

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

59%

Verdict:

Susipicious

File Type:

SCRIPT

Link:

https://malprob.io/report/13e9e508c4a67f7c026a0c3edcd604a445d66454044c5d74ba2e4f31fa26c0a5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/13e9e508c4a67f7c026a0c3edcd604a445d66454044c5d74ba2e4f31fa26c0a5/

Threat name:

Script-WScript.Backdoor.Remcos

Status:

Malicious

First seen:

2025-06-17 01:49:48 UTC

File Type:

Text (VBS)

AV detection:

7 of 24 (29.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=cpu6kcgeuz7xyatkbq7nzvqeurc5mzcuargf25f2fzhtd6rgycsq._file

Verdict:

malicious

Label(s):

remcos

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost discovery execution persistence rat

Link:

https://tria.ge/reports/250617-gt4fsswxh1/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Adds Run key to start application

Checks computer location settings

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Remcos

Remcos family

Malware Config

C2 Extraction:

rem25rem.duckdns.org:1515

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/13e9e508c4a67f7c026a0c3edcd604a445d66454044c5d74ba2e4f31fa26c0a5

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:	detect_tiny_vbs Create hunting rule
Author:	daniyyell
Description:	Detects tiny VBS delivery technique

Rule name:	without_attachments Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the no presence of any attachment
Reference:	http://laboratorio.blogs.hispasec.com/

Rule name:	with_urls Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the presence of an or several urls
Reference:	http://laboratorio.blogs.hispasec.com/