MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 971ae4e4aa24029751d0c76ece96dec196d05b47e8fb218aa87ecd3ccd8513ff. 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 File information Comments

SHA256 hash: 971ae4e4aa24029751d0c76ece96dec196d05b47e8fb218aa87ecd3ccd8513ff
SHA3-384 hash: d958db3c3f4301ebddd73ee71c9fe9a8d188f1b41deb697f24148e8eba06bcc1e5c84cb53e2864fc5a683cbe92de9b42
SHA1 hash: 1610aabc201aa507c94bf860f2369459e326d116
MD5 hash: 77d582f1f0a1f0545a9412a0143cbc9e
humanhash: music-kansas-twelve-march
File name:dukas.js
Download: download sample
Signature RemcosRAT
File size:1'593 bytes
First seen:2025-03-25 06:40:44 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12:Ny1hb4nVWN97bpYZ5Xl7/+mrbCOkq0qOpTAv:KhbPvdYLXlD+ebC9bD9K
Threatray 764 similar samples on MalwareBazaar
TLSH T11B31F621ADC31107877487D0D80C9A74ADCB80BA31ED9E4CE00CF52E809A2B97A9B47C
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
448
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
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
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
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
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1647733 Sample: dukas.js Startdate: 25/03/2025 Architecture: WINDOWS Score: 100 34 paste.ee 2->34 36 dukasbecomeagreatpersonwhowantotbecomegreatnessfor.ydns.eu 2->36 38 geoplugin.net 2->38 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 64 13 other signatures 2->64 9 wscript.exe 1 14 2->9         started        13 svchost.exe 1 1 2->13         started        signatures3 62 Connects to a pastebin service (likely for C&C) 34->62 process4 dnsIp5 44 paste.ee 23.186.113.60, 443, 49681 KLAYER-GLOBALNL Reserved 9->44 82 System process connects to network (likely due to code injection or exploit) 9->82 84 JScript performs obfuscated calls to suspicious functions 9->84 86 Suspicious powershell command line found 9->86 88 3 other signatures 9->88 15 powershell.exe 14 16 9->15         started        46 127.0.0.1 unknown unknown 13->46 signatures6 process7 dnsIp8 48 217.154.55.185, 49690, 80 KCOM-SPNService-ProviderNetworkex-MistralGB United Kingdom 15->48 50 104.168.7.32, 49687, 80 AS-COLOCROSSINGUS United States 15->50 52 Writes to foreign memory regions 15->52 54 Injects a PE file into a foreign processes 15->54 19 CasPol.exe 4 13 15->19         started        23 conhost.exe 15->23         started        signatures9 process10 dnsIp11 40 dukasbecomeagreatpersonwhowantotbecomegreatnessfor.ydns.eu 192.227.168.165, 14645, 49692, 49694 AS-COLOCROSSINGUS United States 19->40 42 geoplugin.net 178.237.33.50, 49693, 80 ATOM86-ASATOM86NL Netherlands 19->42 66 Contains functionality to bypass UAC (CMSTPLUA) 19->66 68 Detected Remcos RAT 19->68 70 Contains functionalty to change the wallpaper 19->70 72 6 other signatures 19->72 25 recover.exe 1 19->25         started        28 recover.exe 2 19->28         started        30 recover.exe 1 19->30         started        32 recover.exe 19->32         started        signatures12 process13 signatures14 74 Tries to steal Instant Messenger accounts or passwords 25->74 76 Tries to steal Mail credentials (via file / registry access) 25->76 78 Tries to steal Mail credentials (via file registry) 28->78 80 Tries to harvest and steal browser information (history, passwords, etc) 28->80
Threat name:
Script.Trojan.Generic
Status:
Suspicious
First seen:
2025-03-25 05:06:09 UTC
File Type:
Binary
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:dukas collection discovery execution rat
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Accesses Microsoft Outlook accounts
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Blocklisted process makes network request
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
dukasbecomeagreatpersonwhowantotbecomegreatnessfor.ydns.eu:14645
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.

Comments