MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b
SHA3-384 hash: 2275708b4dc3cacb62ec24f2b571154e347dbc62227ec13b40f2fe75228dec94d07fca963ab1f3fdc16abf65bd50468f
SHA1 hash: 9a0ea1d80db7d985c916668a34a04a9408861e6b
MD5 hash: aad873f563fd9c412c1a11c2b0a85952
humanhash: diet-beryllium-enemy-salami
File name:IMAGES___Picture0394000300020000304000.hta
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:138'093 bytes
First seen:2025-10-01 15:09:11 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 1536:yyfZx04DPPI8Lcsq6LzS85Ea56QJFQoBLEH:yyfZx0yPPI8d28SLQJvs
Threatray 29 similar samples on MalwareBazaar
TLSH T132D3601992C840784763BCA6CB335111932F9D5B0B20131AB06D7CE6CBABCED779967E
Magika html
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68dd443f40b7da0b4eb94a81
Tags:
obfuscate xtreme virus
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b/results/dashboard
Payload URLs
URL
File name
http://ixti.net/development/javascript/2011/11/11/missteped-enlysimeterdelysimeter-of-utf8-in-browser-with-js.html
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
BZC.UGZ.Boxter.261
Link:
https://www.hybrid-analysis.com/sample/646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b
Verdict:
Malicious
File Type:
hta
First seen:
2025-09-29T18:58:00Z UTC
Last seen:
2025-10-02T10:08:00Z UTC
Hits:
~10
Detections:
Trojan-Downloader.JS.SLoad.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1787475
Signature
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious MSHTA Child Process
Suspicious powershell command line found
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
Score:
90%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-09-29 21:47:16 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mrucbldffxdtzlquty3ed6g6mdgrhc56m5pxpg6tba4ghsplozvq._file
Verdict:
malicious
Label(s):
katzstealer
Create hunting rule
Similar samples:
646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b
RemcosRAT
837dac696a5a6d39add23990b6ec150c4ee86a770efa8c2d4d7a84e4d9c982d2
RemcosRAT
8e741f4e0256c9fc387a75f9723c72d9064fa663e929f8fa5ffad776fa27683e
RemcosRAT
b54ff52b3729fd79f32b7ea4644a8d85380658ce987ac1eea45ca6f76cc6f8ab
RemcosRAT
error
RemcosRAT
f17e05d5088f660c3d540dac6df5a3f3e36d83ad0af66c33244c7ed7c6a0ef67
RemcosRAT
+ 19 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution
Link:
https://tria.ge/reports/251001-skrana1qt4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Malware Config
Dropper Extraction:
http://198.23.177.201/img/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b

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 646820ac652dc73cae149e3641f8de60cd138bbe675f779bd3083863c9eb766b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3634923/
  
Delivery method
Distributed via web download

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