MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3. 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 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3
SHA3-384 hash: cc2804518608e316a0428254df3a9a96425662d9fe981833f9bfc0b81b8c0c2f651864bd19c4a08fe4158ed5ecb86bad
SHA1 hash: 9f36888b91a5a26b92fc6f5857120e75eb177e94
MD5 hash: 6aece35676eadc4a790660fddea2bfbd
humanhash: xray-undress-wolfram-lima
File name:sd99w090xcvjijsei000sdf09w0ef0cdf3iiuif920fs0f0sdf032fisidufiu0v0x9v090diudfg00909dfg00df.hta
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:182'781 bytes
First seen:2025-10-20 14:20:01 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 768:LmCHoBK3kxL5h8Q1BpIUSIrQ1xpIUSI6NpICr3icy:xHoBZiH
Threatray 1'733 similar samples on MalwareBazaar
TLSH T14504B53E0DC4081404F9561607BA469CEAE195F387A579C8BE1E02CDAF7BC1ED077E6A
Magika html
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f64555ad6ce0f5ad40037b
Tags:
obfuscate xtreme spawn
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3/results/dashboard
Payload URLs
URL
File name
http://ixti.net/development/javascript/2011/11/11/preconceit-ensemiophorusflowdesemiophorusflow-of-utf8-in-browser-with-js.html
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
BZC.UGZ.Boxter.785
Link:
https://www.hybrid-analysis.com/sample/ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3
Verdict:
Malicious
File Type:
hta
First seen:
2025-10-20T08:02:00Z UTC
Last seen:
2025-10-21T10:18:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic Trojan-Downloader.JS.SLoad.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1798454
Signature
Antivirus detection for dropped file
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 functionalty to change the wallpaper
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
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: Suspicious MSHTA Child Process
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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)
Uses dynamic DNS services
Writes to foreign memory regions
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798454 Sample: sd99w090xcvjijsei000sdf09w0... Startdate: 20/10/2025 Architecture: WINDOWS Score: 100 43 angelblessedzynovakobothankyougodfeelhap.duckdns.org 2->43 45 dn721508.ca.archive.org 2->45 59 Suricata IDS alerts for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 67 14 other signatures 2->67 9 mshta.exe 1 2->9         started        12 svchost.exe 1 1 2->12         started        signatures3 65 Uses dynamic DNS services 43->65 process4 dnsIp5 81 Suspicious powershell command line found 9->81 15 powershell.exe 15 15 9->15         started        49 127.0.0.1 unknown unknown 12->49 signatures6 process7 dnsIp8 51 23.95.117.243, 49684, 80 AS-COLOCROSSINGUS United States 15->51 53 dn721508.ca.archive.org 204.62.247.6, 443, 49683 COGENT-174US United States 15->53 55 Writes to foreign memory regions 15->55 57 Injects a PE file into a foreign processes 15->57 19 CasPol.exe 4 3 15->19         started        24 CasPol.exe 15->24         started        26 conhost.exe 15->26         started        signatures9 process10 dnsIp11 47 angelblessedzynovakobothankyougodfeelhap.duckdns.org 104.223.84.8, 14642, 49685, 49686 ASN-QUADRANET-GLOBALUS United States 19->47 37 C:\Users\user\AppData\Local\Temp\THED04.tmp, MS-DOS 19->37 dropped 39 C:\Users\user\AppData\Local\Temp\THECF3.tmp, MS-DOS 19->39 dropped 41 C:\Users\user\AppData\Local\Temp\THECD3.tmp, PE32 19->41 dropped 69 Detected Remcos RAT 19->69 71 Maps a DLL or memory area into another process 19->71 28 RmClient.exe 14 19->28         started        31 RmClient.exe 1 19->31         started        33 RmClient.exe 1 19->33         started        35 RmClient.exe 19->35         started        73 Contains functionality to bypass UAC (CMSTPLUA) 24->73 75 Contains functionalty to change the wallpaper 24->75 77 Contains functionality to register a low level keyboard hook 24->77 79 2 other signatures 24->79 file12 signatures13 process14 signatures15 83 Tries to steal Mail credentials (via file registry) 28->83 85 Tries to harvest and steal browser information (history, passwords, etc) 28->85 87 Tries to steal Instant Messenger accounts or passwords 31->87 89 Tries to steal Mail credentials (via file / registry access) 31->89
Score:
27%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Html
Link:
https://app.malva.re/file/6aece35676eadc4a790660fddea2bfbd
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3
Threat name:
Document-HTML.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 12:52:13 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5sw36m6l67373paaegbay4ufakephjfxxnar25uil6e2ugrwckzq._file
Verdict:
malicious
Label(s):
nirsoft
Create hunting rule
remcos
Create hunting rule
admintool_mailpassview
Create hunting rule
Similar samples:
010a44b6660fcd4d8c0998014751db3570c10720696b9599bdfada471ce9e7b7
RemcosRAT
180ff754e1650b8dbc392f425b79021d1a8b09fdaf60897c6d3e5ddaef146370
RemcosRAT
880334a4f36170bd8c34b574a919596fd3ba56f2a810310feba377f90dfe49af
RemcosRAT
b54ff52b3729fd79f32b7ea4644a8d85380658ce987ac1eea45ca6f76cc6f8ab
RemcosRAT
b6e3aeb15652420e1cb2168e8bed1e51b0bd5cb72e484fbb1aed6354d6ee3ee2
RemcosRAT
error
RemcosRAT
fe955f2d186ba5e8077fc25ddee450bf0b8bcc998df7adf67038a776b93569cb
RemcosRAT
+ 1'723 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:goldmining collection discovery execution rat
Link:
https://tria.ge/reports/251020-rpdppavlfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
angelblessedzynovakobothankyougodfeelhap.duckdns.org:14642
Dropper Extraction:
https://dn721508.ca.archive.org/0/items/optimized_msi_20251017_0233/optimized_MSI.png
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ecadbf33cbf7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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)

File information

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

Web download

RemcosRAT

HTML Application (hta) hta ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3682343/
  
Delivery method
Distributed via web download

Comments