MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2516cc29b6eebbe044641f7772e61549278d0d1e164c8a75f98b884fcce2ff40. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 2516cc29b6eebbe044641f7772e61549278d0d1e164c8a75f98b884fcce2ff40
SHA3-384 hash: 7e25b97726e94fc74685905263f832ec51d258c7eee68dc78b539f7d38781e1d4f189ab505bbe0ae583c415183b2f560
SHA1 hash: f178007bbe68d6002f10dc13d4b34887a410c906
MD5 hash: 1d9cdf89220f14226156e3ea04aa9576
humanhash: stream-magnesium-burger-ceiling
File name:kkdi99ew0cv03jdjfsdhj400df04sdxcv0we03220dcxvjs9f930sxcvj322jjsdf0sdf0sfxc0f032jdkfs.hta
Download: download sample
Signature RemcosRAT
File size:176'918 bytes
First seen:2025-10-21 05:44:57 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 384:mJgLikCLorsZoBK0JI9cndyfdC4xkyhcy:LQLZoBKIWuqcy
Threatray 1'656 similar samples on MalwareBazaar
TLSH T1C504A0A40B1E0D3985F9532BDF357221E759A42B22B04305B6EF58DC8FB74A881B85FD
Magika html
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Tags:
obfuscate xtreme spawn
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Payload URLs
URL
File name
http://ixti.net/development/javascript/2011/11/11/Sotho-enbreakupsdebreakups-of-utf8-in-browser-with-js.html
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
File Type:
hta
First seen:
2025-10-21T03:02:00Z UTC
Last seen:
2025-10-22T10:04:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic Trojan-Downloader.JS.SLoad.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
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 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 hidden mapped module (file has been removed from disk)
Found malware configuration
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
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: 1798881 Sample: kkdi99ew0cv03jdjfsdhj400df0... Startdate: 21/10/2025 Architecture: WINDOWS Score: 100 39 angelblessedzynovakobothankyougodfeelhap.duckdns.org 2->39 41 spaste.us 2->41 43 dn721508.ca.archive.org 2->43 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        signatures3 65 Uses dynamic DNS services 39->65 process4 signatures5 77 Suspicious powershell command line found 9->77 12 powershell.exe 15 14 9->12         started        process6 dnsIp7 45 spaste.us 76.76.21.21, 443, 49722 AMAZON-02US United States 12->45 47 dn721508.ca.archive.org 204.62.247.6, 443, 49719 COGENT-174US United States 12->47 15 CasPol.exe 4 6 12->15         started        20 conhost.exe 12->20         started        process8 dnsIp9 49 angelblessedzynovakobothankyougodfeelhap.duckdns.org 104.223.84.8, 14641, 49723, 49726 ASN-QUADRANET-GLOBALUS United States 15->49 31 C:\Users\user\AppData\Local\Temp\TH96E5.tmp, MS-DOS 15->31 dropped 33 C:\Users\user\AppData\Local\Temp\TH8F79.tmp, MS-DOS 15->33 dropped 35 C:\Users\user\AppData\Local\Temp\TH8F2A.tmp, MS-DOS 15->35 dropped 37 3 other malicious files 15->37 dropped 51 Contains functionality to bypass UAC (CMSTPLUA) 15->51 53 Detected Remcos RAT 15->53 55 Contains functionalty to change the wallpaper 15->55 57 6 other signatures 15->57 22 RmClient.exe 1 15->22         started        25 RmClient.exe 1 15->25         started        27 RmClient.exe 1 15->27         started        29 7 other processes 15->29 file10 signatures11 process12 signatures13 69 Tries to steal Instant Messenger accounts or passwords 22->69 71 Tries to steal Mail credentials (via file / registry access) 22->71 73 Tries to harvest and steal browser information (history, passwords, etc) 27->73 75 Tries to steal Mail credentials (via file registry) 29->75
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Html
Threat name:
Document-HTML.Backdoor.Remcos
Status:
Malicious
First seen:
2025-10-21 05:45:53 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:diamond collection discovery execution rat
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:14641
Dropper Extraction:
https://dn721508.ca.archive.org/0/items/optimized_msi_20251017_0233/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
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 2516cc29b6eebbe044641f7772e61549278d0d1e164c8a75f98b884fcce2ff40

(this sample)

  
Delivery method
Distributed via web download

Comments