MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3745a4fc21cdde77dde67e22f54a7cbd7b761e1b05644a1e93ec2551209ecf1d. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 3745a4fc21cdde77dde67e22f54a7cbd7b761e1b05644a1e93ec2551209ecf1d
SHA3-384 hash: e6bf2789f10711807fcb09a78a1518d8e6de5f6cfe3e1017e59baae79ab5d5631f82195659f4d70b66b28d12d7ab87dc
SHA1 hash: c02f27b7c7bb546476a165a716f9e5b0ef274570
MD5 hash: 91c3a5e3842521b6957ce7db490da3af
humanhash: kansas-bluebird-eleven-island
File name:35.480,25 EUR Ödeme Dekontu.js
Download: download sample
Signature RemcosRAT
File size:1'281'582 bytes
First seen:2026-07-27 09:45:09 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:YDUaFIG/cWVUtpe5iVxoDCieuUdEOsiKdIDG5FqKA3oMxoEbV7sOK5YfC7uJYjpD:+
TLSH T12D55D77DCC29823EC2B7C629CAC78A07F95A1817321CFD4AA4D3735B9127193B4E256D
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter lowmal3
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
134
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aes base64 base64 cmd conhost crypto encrypted lolbin obfuscated overlay powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-07-27T03:02:00Z UTC
Last seen:
2026-07-27T06:44:00Z UTC
Hits:
~1000
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Internet Explorer form passwords
Contains functionalty to change the wallpaper
Creates an undocumented autostart registry key
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)
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious command line found
Suspicious execution chain found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file registry)
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)
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1948253 Sample: 35.480,25 EUR #U00d6deme De... Startdate: 27/07/2026 Architecture: WINDOWS Score: 100 36 papilawdns.duckdns.org 2->36 38 customcreationsmaine.com 2->38 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 54 7 other signatures 2->54 10 wscript.exe 1 1 2->10         started        signatures3 52 Uses dynamic DNS services 36->52 process4 signatures5 62 JScript performs obfuscated calls to suspicious functions 10->62 64 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->64 66 Suspicious execution chain found 10->66 68 WScript reads language and country specific registry keys (likely country aware script) 10->68 13 conhost.exe 10->13         started        process6 signatures7 78 Suspicious command line found 13->78 16 cmd.exe 1 13->16         started        process8 signatures9 44 Suspicious command line found 16->44 19 powershell.exe 15 18 16->19         started        23 cmd.exe 1 16->23         started        process10 dnsIp11 40 customcreationsmaine.com 103.153.182.81, 443, 49765 SNTHOSTINGS-AS-APSnTHostingsIN United States 19->40 56 Creates an undocumented autostart registry key 19->56 58 Writes to foreign memory regions 19->58 60 Injects a PE file into a foreign processes 19->60 25 CasPol.exe 4 3 19->25         started        signatures12 process13 dnsIp14 42 papilawdns.duckdns.org 103.67.163.101, 2404, 49768, 49769 EZTECH-VNEZTECHNOLOGYCOMPANYLIMITEDVN Vietnam 25->42 30 C:\Users\user\AppData\...\Login Data.tmp, SQLite 25->30 dropped 32 C:\Users\user\AppData\...\Login Data.tmp, SQLite 25->32 dropped 34 C:\Users\user\...\Login Data For Account.tmp, SQLite 25->34 dropped 70 Contains functionality to bypass UAC (CMSTPLUA) 25->70 72 Detected Remcos RAT 25->72 74 Tries to steal Mail credentials (via file registry) 25->74 76 5 other signatures 25->76 file15 signatures16
Gathering data
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:client collection discovery execution persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Registers new Windows logon scripts automatically executed at logon.
Badlisted process makes network request
Downloads MZ/PE file
Family: Remcos
Malware Config
C2 Extraction:
papilawdns.duckdns.org:2404
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Java Script (JS) js 3745a4fc21cdde77dde67e22f54a7cbd7b761e1b05644a1e93ec2551209ecf1d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments