MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dcc635b19743b5ebc21490d09b0b11031114db7d5fe39f401020e99937c43c7. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 4dcc635b19743b5ebc21490d09b0b11031114db7d5fe39f401020e99937c43c7
SHA3-384 hash: abb48bdff23844d771072a5593fec4f72abd9c6956b0b437799604f2fbd10aee5f8268bd0acb600c7b8c45c215f5f1cf
SHA1 hash: 668202a006f64b1a5f4e19b0b70a8a4c9c2725ce
MD5 hash: d3e1719ab89b165b7c21d86046a27034
humanhash: pluto-september-eighteen-zulu
File name:seenbestthingswithbetterwaytogivebestslips.hta
Download: download sample
Signature RemcosRAT
File size:2'033 bytes
First seen:2025-06-14 14:01:44 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 24:hPgkw2dSATKfhZAADRjUMcD0W2yyXG7n37+8Fe7rQpZypwyrR1MCO:tgHqSfPRjUMcb7yXG737+8c7UHuROCO
Threatray 1'224 similar samples on MalwareBazaar
TLSH T1E041152988578188157688FA26DBC011F0E522A395189C6C76CDC5379F773EFC4E574A
Magika txt
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate xtreme sage
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Behaviour
BlacklistAPI detected
Result
Threat name:
Detection:
malicious
Classification:
rans.spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Connects to a pastebin service (likely for C&C)
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
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (suspicious strings)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Legitimate Application Dropped Script
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Reflective Assembly Load
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
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)
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 AntiVM3
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected VBS Downloader Generic
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1714467 Sample: seenbestthingswithbetterway... Startdate: 14/06/2025 Architecture: WINDOWS Score: 100 44 paste.ee 2->44 46 pastefy.app 2->46 48 geoplugin.net 2->48 66 Suricata IDS alerts for network traffic 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 74 20 other signatures 2->74 10 mshta.exe 2 2->10         started        signatures3 72 Connects to a pastebin service (likely for C&C) 44->72 process4 file5 36 C:\Windows\Temp\crotonism.bat, DOS 10->36 dropped 13 cmd.exe 2 10->13         started        process6 file7 38 C:\Windows\Temp\soiliness.vbs, ASCII 13->38 dropped 82 Potential malicious VBS script found (suspicious strings) 13->82 84 Command shell drops VBS files 13->84 17 wscript.exe 1 13->17         started        21 conhost.exe 13->21         started        23 timeout.exe 1 13->23         started        signatures8 process9 dnsIp10 42 paste.ee 23.186.113.60, 443, 49687, 49688 KLAYER-GLOBALNL Reserved 17->42 58 System process connects to network (likely due to code injection or exploit) 17->58 60 Suspicious powershell command line found 17->60 62 Wscript starts Powershell (via cmd or directly) 17->62 64 3 other signatures 17->64 25 powershell.exe 15 16 17->25         started        signatures11 process12 dnsIp13 50 pastefy.app 49.13.5.8, 443, 49694 HETZNER-ASDE Germany 25->50 52 109.248.144.233, 49689, 80 DATACLUB-SE Russian Federation 25->52 76 Writes to foreign memory regions 25->76 78 Found suspicious powershell code related to unpacking or dynamic code loading 25->78 80 Injects a PE file into a foreign processes 25->80 29 CasPol.exe 4 14 25->29         started        34 conhost.exe 25->34         started        signatures14 process15 dnsIp16 54 209.54.103.171, 4445, 49695 ASN-QUADRANET-GLOBALUS United States 29->54 56 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 29->56 40 C:\Users\user\osss.dat, data 29->40 dropped 86 Contains functionality to bypass UAC (CMSTPLUA) 29->86 88 Contains functionalty to change the wallpaper 29->88 90 Contains functionality to steal Chrome passwords or cookies 29->90 92 3 other signatures 29->92 file17 signatures18
Threat name:
Document-HTML.Backdoor.Remcos
Status:
Suspicious
First seen:
2025-06-12 14:20:00 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:alocrypt discovery execution rat
Behaviour
Delays execution with timeout.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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:
209.54.103.171:4445
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.

Web download

RemcosRAT

HTML Application (hta) hta 4dcc635b19743b5ebc21490d09b0b11031114db7d5fe39f401020e99937c43c7

(this sample)

  
Delivery method
Distributed via web download

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