MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48a26ad55339255743330300214d70d87091b300d333cad23c5865e56a9599b8. 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: 13

Intelligence 13 IOCs 1 YARA 22 File information Comments

SHA256 hash:	48a26ad55339255743330300214d70d87091b300d333cad23c5865e56a9599b8
SHA3-384 hash:	faf4aef7cf86dc1a3a6453cd013fda18f6b6a7735d3486507e57801369b33afec9ada710842aa21235d148a5abbdb8cc
SHA1 hash:	00104ec3047661756c82488d62dff14cf40485c0
MD5 hash:	81b2db9775cce382e67f35cc58f19494
humanhash:	fourteen-quiet-oxygen-edward
File name:	POArtwork20251022png.js
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	2'660'242 bytes
First seen:	2025-10-25 12:45:09 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	3072:EaGWeBauwsnA0Zq5GobXYRGFUumG2rq8wuqg7HbQHKegWLuqo7:yWyrq8wuqg7HbQHKegWLuqC
Threatray	4'105 similar samples on MalwareBazaar
TLSH	T193C502D42BAAD520E22773959F8E6541BA60C47F4A13B45DBC8403CDEF70CB0926EF66
Magika	javascript
Reporter	abuse_ch
Tags:	js RAT RemcosRAT

abuse_ch

RemcosRAT C2:
107.175.246.23:2404

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
107.175.246.23:2404	https://threatfox.abuse.ch/ioc/1625960/

Intelligence

File Origin

# of uploads :

# of downloads :

174

Origin country :

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.27200.JsHeur.UNOFFICIAL

SecuriteInfo.com.JS.Downloader-24.UNOFFICIAL

SecuriteInfo.com.JS.Downloader-23.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68fcc6996c859164aa645761

Tags:

obfuscate xtreme spawn

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm base64 evasive fingerprint obfuscated obfuscated opendir opendir overlay powershell

Link:

https://www.filescan.io/uploads/68fcc6843a79800405f603bc/reports/9a689bc8-3c40-4789-a126-e72ab9468100/overview

Verdict:

Malicious

Labled as:

Trojan.Cryxos.JS

Link:

https://www.hybrid-analysis.com/sample/48a26ad55339255743330300214d70d87091b300d333cad23c5865e56a9599b8

Verdict:

Malicious

File Type:

text

First seen:

2025-10-25T09:40:00Z UTC

Last seen:

2025-10-27T10:20:00Z UTC

Hits:

~100

Detections:

Trojan.Agentb.TCP.C&C Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic

Link:

https://opentip.kaspersky.com/48a26ad55339255743330300214d70d87091b300d333cad23c5865e56a9599b8/results?tab=lookup

Result

Threat name:

Caminho Loader

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1801750

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Creates processes via WMI

JavaScript file contains suspicious strings

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)

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

Suricata IDS alerts for network traffic

Suspicious execution chain found

Suspicious powershell command line found

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

Wscript starts Powershell (via cmd or directly)

Yara detected Caminho Loader

Yara detected Powershell download and execute

Behaviour

Behavior Graph:

Download SVG

Score:

Verdict:

Benign

File Type:

SCRIPT

Link:

https://malprob.io/report/48a26ad55339255743330300214d70d87091b300d333cad23c5865e56a9599b8

Verdict:

inconclusive

YARA:

2 match(es)

Tags:

PowerShell

Link:

https://app.malva.re/file/81b2db9775cce382e67f35cc58f19494

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/48a26ad55339255743330300214d70d87091b300d333cad23c5865e56a9599b8/

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/48a26ad55339255743330300214d70d87091b300d333cad23c5865e56a9599b8

Threat name:

Script-JS.Backdoor.Remcos

Status:

Malicious

First seen:

2025-10-25 12:46:02 UTC

File Type:

Text (JavaScript)

AV detection:

7 of 24 (29.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jcrgvvkthesvoqztamacctlq3byjdmya2mz4vur4lbs6k2uvtg4a._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost discovery execution rat

Link:

https://tria.ge/reports/251025-pzlf6sds4a/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Badlisted process makes network request

Command and Scripting Interpreter: PowerShell

Process spawned unexpected child process

Remcos

Remcos family

Malware Config

C2 Extraction:

107.175.246.23:2404

Dropper Extraction:

http://ia601400.us.archive.org/10/items/msi-pro-with-b-64_20251023/MSI_PRO_with_b64.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/48a26ad55339255743330300214d70d87091b300d333cad23c5865e56a9599b8

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:	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_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

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:	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)

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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