MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d812dbcda54523e6aa3ab459ad7f2dd8fa29b777b8f51052fadfbcc016d4aba. 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 1 File information Comments
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SHA256 hash: 3d812dbcda54523e6aa3ab459ad7f2dd8fa29b777b8f51052fadfbcc016d4aba
SHA3-384 hash: 9a847f8fbae49b3a5a869b90f6149f5caa1d01671ad18ca0f8afef345830eb96472e91f90177396464de7b4dc7a4e797
SHA1 hash: bd7e2bc20d47095bc7cd13a5c0886ba6b8177cbd
MD5 hash: c4927bbcedcdec44e0edcb76f7899d1e
humanhash: south-finch-idaho-cold
File name:kbestgoodnewproviderinonlineforbestventure.hta
Download: download sample
Signature RemcosRAT
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File size:19'853 bytes
First seen:2025-06-04 13:52:50 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 192:/ADVo5fcc4wDLHHeSJSOIy0EuV77vW2i+KS+6s2M/6561V6l65A6y6j6YFgU6SCT:iq5fccRDae927/hMXgKfzls7
TLSH T18A9225484B0B74FDD596B9F82D61E3FDA5942574CCB0C18A29C0F08806E999E9AD1FCF
Magika txt
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.JS.Starter.96.27278.23346.UNOFFICIAL
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Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6840517c07b5e8c1cfe4ad31
Tags:
cryxos virus spawn sage
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/3d812dbcda54523e6aa3ab459ad7f2dd8fa29b777b8f51052fadfbcc016d4aba/results/dashboard
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/3d812dbcda54523e6aa3ab459ad7f2dd8fa29b777b8f51052fadfbcc016d4aba
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1706013
Signature
Bypasses PowerShell execution policy
Command shell drops VBS files
Connects to a pastebin service (likely for C&C)
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: 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
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Uses threadpools to delay analysis
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected UAC Bypass using CMSTP
Yara detected VBS Downloader Generic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1706013 Sample: kbestgoodnewproviderinonlin... Startdate: 04/06/2025 Architecture: WINDOWS Score: 100 38 paste.ee 2->38 40 pastefy.app 2->40 42 bg.microsoft.map.fastly.net 2->42 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Yara detected UAC Bypass using CMSTP 2->60 64 15 other signatures 2->64 10 mshta.exe 2 2->10         started        14 svchost.exe 1 1 2->14         started        signatures3 62 Connects to a pastebin service (likely for C&C) 38->62 process4 dnsIp5 36 C:\Windows\Temp\bolivars.bat, DOS 10->36 dropped 74 Uses threadpools to delay analysis 10->74 17 cmd.exe 2 10->17         started        50 127.0.0.1 unknown unknown 14->50 file6 signatures7 process8 file9 34 C:\Windows\Temp\verminer.vbs, ASCII 17->34 dropped 52 Potential malicious VBS script found (suspicious strings) 17->52 54 Command shell drops VBS files 17->54 21 wscript.exe 1 17->21         started        25 conhost.exe 17->25         started        27 timeout.exe 1 17->27         started        signatures10 process11 dnsIp12 44 paste.ee 23.186.113.60, 443, 49683, 49684 KLAYER-GLOBALNL Reserved 21->44 66 System process connects to network (likely due to code injection or exploit) 21->66 68 Suspicious powershell command line found 21->68 70 Wscript starts Powershell (via cmd or directly) 21->70 72 3 other signatures 21->72 29 powershell.exe 15 15 21->29         started        signatures13 process14 dnsIp15 46 pastefy.app 49.13.5.8, 443, 49688 HETZNER-ASDE Germany 29->46 48 104.168.5.23, 49685, 80 AS-COLOCROSSINGUS United States 29->48 32 conhost.exe 29->32         started        process16
Score:
92%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/3d812dbcda54523e6aa3ab459ad7f2dd8fa29b777b8f51052fadfbcc016d4aba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3d812dbcda54523e6aa3ab459ad7f2dd8fa29b777b8f51052fadfbcc016d4aba/
Threat name:
Script-JS.Downloader.Nemucod
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Status:
Malicious
First seen:
2025-06-04 09:19:37 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hwas3pg2krjd42vdvnczvv7s3wh2fg3xpohvcbjpvx54yalnjk5a._file
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:eva collection discovery execution rat
Link:
https://tria.ge/reports/250604-q9zl8ayqs9/
Behaviour
Delays execution with timeout.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
sweetindianfestivalsessioncutegirlformel.duckdns.org:14646
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3d812dbcda54/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3d812dbcda54523e6aa3ab459ad7f2dd8fa29b777b8f51052fadfbcc016d4aba

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:Sus_CMD_Powershell_Usage
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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 3d812dbcda54523e6aa3ab459ad7f2dd8fa29b777b8f51052fadfbcc016d4aba

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558175/
  
Delivery method
Distributed via web download

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