MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55021119b7a7a05fea8b2141242d77bf417462a9a55c7ebcf8a01fda46072602. 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: 11

Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash:	55021119b7a7a05fea8b2141242d77bf417462a9a55c7ebcf8a01fda46072602
SHA3-384 hash:	a10c14a4ca5feb77b04c51b7030ba173768c21b20a80f4cae86075e2cd7106b3652a9e9bf7d368aa383373ea44c2db3e
SHA1 hash:	e3c68147e34939191955f5a2b789a630e1e194e0
MD5 hash:	50532628e28d255aa4387c226da41b5d
humanhash:	pizza-saturn-sierra-wisconsin
File name:	Request For Motor Quotation,Xls.JS
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	2'626'561 bytes
First seen:	2025-05-23 08:27:33 UTC
Last seen:	2025-05-27 06:41:20 UTC
File type:	js
MIME type:	text/plain
ssdeep	768:HnY1xARqxSPNxQl8x1kZkM13xdGsxLkDxOuJKxyHvWP8xOl5b4/x5lzxNwGxniD3:HVkZk4/USCrzVlscNJY9
Threatray	1'111 similar samples on MalwareBazaar
TLSH	T1EFC5E9D5EA028BC0D2130EDE2D21BF1A189BF866DBD7334D1359BCD64976495EBE0C22
Magika	javascript
Reporter	abuse_ch
Tags:	js RemcosRAT webmail-aruba-it--ajaxfile

Intelligence

File Origin

# of uploads :

# of downloads :

423

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.PUA.JS.Obfus-2525.UNOFFICIAL

SecuriteInfo.com.PUA.JS.Obfus-2179.UNOFFICIAL

Sanesecurity.Malware.31320.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6830331a4912a6b9dd4c51ba

Tags:

obfuscate xtreme shell

Verdict:

Malicious

Labled as:

SVM:TrojanDownloader/JS.Nemucod

Link:

https://www.hybrid-analysis.com/sample/55021119b7a7a05fea8b2141242d77bf417462a9a55c7ebcf8a01fda46072602

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1697592

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Contains functionalty to change the wallpaper

Detected Remcos RAT

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

JScript performs obfuscated calls to suspicious functions

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: Silenttrinity Stager Msbuild Activity

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

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)

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected Powershell decode and execute

Yara detected Powershell download and execute

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

98%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/55021119b7a7a05fea8b2141242d77bf417462a9a55c7ebcf8a01fda46072602

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/55021119b7a7a05fea8b2141242d77bf417462a9a55c7ebcf8a01fda46072602/

Threat name:

Text.Trojan.Generic

Status:

Suspicious

First seen:

2025-05-22 23:30:10 UTC

File Type:

Text (JavaScript)

AV detection:

6 of 24 (25.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kubbcgnxu6qf72ulefasillxx5axiyvjuvoh5phyuap5urqheyba._file

Verdict:

malicious

Label(s):

remcos

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:going harder discovery execution rat

Link:

https://tria.ge/reports/250523-kc625sbn7t/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Remcos

Remcos family

Malware Config

C2 Extraction:

gohardorgohome.duckdns.org:5200
steadypressure.duckdns.org:2404
greatyear.duckdns.org:2025
greatday.duckdns.org:2520
dripnfinesse.duckdns.org:5200

Dropper Extraction:

https://webmail.aruba.it/smart/cgi-bin/ajaxfile?ACT_FIL_DL=1&PUBLICUID=@1.VFMxM0RLUmlpak5VUCt4RkdEU3luR3VzRmxneHAzUStkTzBJZythWmhBYXR2Rng3R2dCNVl5V3djYTBnV0luVA==

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/55021119b7a7/report/overview.html

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/55021119b7a7a05fea8b2141242d77bf417462a9a55c7ebcf8a01fda46072602

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:	Base64_Encoded_Powershell_Directives Create hunting rule

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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