MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c801ef1bc3c89ffa7fe58fce8375a30d3eee3295505e70bd11afa7816f6a0637. 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: 12

Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash:	c801ef1bc3c89ffa7fe58fce8375a30d3eee3295505e70bd11afa7816f6a0637
SHA3-384 hash:	a6096debef259b59666561be4474faf571cc43dbac24ff01a5151c9d2af33b8b73f34ac86100dfeb3e145fd3561e9014
SHA1 hash:	574b590e1cfeede753e084b9d82a61bc8fab8927
MD5 hash:	e27582c017f9caa4f1dbc27d42ad7adb
humanhash:	georgia-march-purple-paris
File name:	Update.vbs
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	2'954'422 bytes
First seen:	2025-08-22 14:56:42 UTC
Last seen:	Never
File type:	vbs
MIME type:	text/plain
ssdeep	24576:BlmZPKMDLdgBEjdSxDTEdLlmZPKMDLdgBEjdSxDTEdLlmZPKMDLdgBEjdSxDTEdJ:BjeSgdjeSgdjeSgL
Threatray	1'347 similar samples on MalwareBazaar
TLSH	T108D5E0DF7D4D66C8484332F969158211F2DD83E13305EBB2ED34C955B28A8B9EA2F781
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/22975/

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68a88574e9d9dbcfd96d17a0

Tags:

obfuscate xtreme spawn

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/68a885887137d684583806c4/reports/9b43f4df-d0a8-4a31-a956-0c905f33c94e/overview

Verdict:

Malicious

Labled as:

GT:VB.Honolulu.1

Link:

https://www.hybrid-analysis.com/sample/c801ef1bc3c89ffa7fe58fce8375a30d3eee3295505e70bd11afa7816f6a0637

Verdict:

Malicious

File Type:

vbs

First seen:

2025-08-22T19:27:00Z UTC

Last seen:

2025-08-22T19:27:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/c801ef1bc3c89ffa7fe58fce8375a30d3eee3295505e70bd11afa7816f6a0637/results?tab=lookup

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1763073

Signature

Creates processes via WMI

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: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: WScript or CScript Dropper

Suspicious execution chain found

Suspicious powershell command line found

Uses dynamic DNS services

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

Wscript starts Powershell (via cmd or directly)

Yara detected Powershell download and execute

Behaviour

Behavior Graph:

Download SVG

Score:

80%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/c801ef1bc3c89ffa7fe58fce8375a30d3eee3295505e70bd11afa7816f6a0637

Verdict:

Malware

YARA:

1 match(es)

Tags:

Batch Command DeObfuscated PowerShell PowerShell Call Scripting.FileSystemObject SMTPControl.SMTP VBScript

Link:

https://app.malva.re/file/e27582c017f9caa4f1dbc27d42ad7adb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c801ef1bc3c89ffa7fe58fce8375a30d3eee3295505e70bd11afa7816f6a0637/

Threat name:

Script-WScript.Trojan.Honolulu

Status:

Malicious

First seen:

2025-08-22 14:58:37 UTC

File Type:

Text (VBS)

AV detection:

8 of 24 (33.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zaa66g6dzcp7u77fr7hig5ndbu7o4muvkbphbpirv6tyc33kay3q._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

0780b511b4413c846adda72e7ede6afb0398a084112bf0399d2d4041f952cfa4

RemcosRAT

36f0e0b31d5b901268c65a2d5dd8b48a0e9c9b00a329c10be9a7be625fe5d84d

RemcosRAT

6bc677ac4c36cb99e3170edb2b29b8e8b47399a2896f8f0c6fa998b4337bcf35

RemcosRAT

b3c254d8249b079be915664ed97ac1423aeb9c2845a8521a2d1a31ff0fd66476

RemcosRAT

c208d8d0493c60f14172acb4549dcb394d2b92d30bcae4880e66df3c3a7100e4

RemcosRAT

d58ef7f6352296a5f9052e5bb522a0556037f373b27dd1bf4c53a521f0f7a0a8

RemcosRAT

e119c6c5485307075a1e5d0950a77f978f7f17e23c315ed8c38cc1259b8af26f

RemcosRAT

error

RemcosRAT

+ 1'337 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos defense_evasion discovery execution rat

Link:

https://tria.ge/reports/250822-sb8tcaal6x/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Modifies trusted root certificate store through registry

Process spawned unexpected child process

Remcos

Remcos family

Malware Config

C2 Extraction:

pasar09enero.duckdns.org:3000

Dropper Extraction:

https://archive.org/download/optimized_msi_20250821/optimized_MSI.png

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/c801ef1bc3c89ffa7fe58fce8375a30d3eee3295505e70bd11afa7816f6a0637

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:	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)