MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e. 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: 5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e
SHA3-384 hash: 5b00d627ddabe28f3fc1e951b12c58b50ed12e2d932c130f717e20998d6ddd469587680eb4c86bd01fe78204733a11c2
SHA1 hash: c4b8d2634dad60ac57e87c8e98c0be094b2d34e8
MD5 hash: 910373742b2c91faa03ab50d31f72516
humanhash: oxygen-eleven-cup-kitten
File name:sdof9do4ier9dfd9g3ggiuidf9fd9gcv934jjghdf93d9cxvxc93jjgjdgf9c99vcb89rrtbc99.hta
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:179'869 bytes
First seen:2025-10-20 14:20:02 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 768:JzbgsjiEGgWbXI7jkoBK07RLvTA0aUIYSt8DWgyVii21qfJLQ5Vt8DWgyliK21q0:KzoBLSH
Threatray 1'833 similar samples on MalwareBazaar
TLSH T18604A1A4298E3AD409FFF1298EB694C6F661741F6006C6967D3D0CECAF746134370AAD
Magika html
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f645633edd081eba4003e4
Tags:
obfuscate xtreme spawn
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e/results/dashboard
Payload URLs
URL
File name
http://ixti.net/development/javascript/2011/11/11/susceptor-enthriftlesslydethriftlessly-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/5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e
Verdict:
Malicious
File Type:
hta
First seen:
2025-10-19T23:40:00Z UTC
Last seen:
2025-10-21T10:18:00Z UTC
Hits:
~10
Detections:
Trojan.Agentb.TCP.C&C PDM:Trojan.Win32.Generic Trojan-Downloader.JS.SLoad.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e/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/1798455
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
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 evasive API chain checking for user administrative privileges
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Base64 Encoded MpPreference 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)
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: 1798455 Sample: sdof9do4ier9dfd9g3ggiuidf9f... Startdate: 20/10/2025 Architecture: WINDOWS Score: 100 53 dn721508.ca.archive.org 2->53 67 Suricata IDS alerts for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 16 other signatures 2->73 10 mshta.exe 1 2->10         started        13 svchost.exe 2->13         started        signatures3 process4 signatures5 91 Suspicious powershell command line found 10->91 15 powershell.exe 15 15 10->15         started        process6 dnsIp7 59 96.44.159.189, 49683, 80 ASN-QUADRANET-GLOBALUS United States 15->59 61 dn721508.ca.archive.org 204.62.247.6, 443, 49682 COGENT-174US United States 15->61 63 Writes to foreign memory regions 15->63 65 Injects a PE file into a foreign processes 15->65 19 CasPol.exe 5 17 15->19         started        24 CasPol.exe 15->24         started        26 conhost.exe 15->26         started        signatures8 process9 dnsIp10 55 172.245.95.61, 2404, 49684, 49685 AS-COLOCROSSINGUS United States 19->55 57 127.0.0.1 unknown unknown 19->57 45 C:\Users\user\AppData\Local\Temp\THFD7B.tmp, MS-DOS 19->45 dropped 47 C:\Users\user\AppData\Local\Temp\THFD1C.tmp, MS-DOS 19->47 dropped 49 C:\Users\user\AppData\Local\Temp\THFCFC.tmp, PE32 19->49 dropped 51 8 other malicious files 19->51 dropped 75 Detected Remcos RAT 19->75 77 Tries to harvest and steal browser information (history, passwords, etc) 19->77 79 Adds a directory exclusion to Windows Defender 19->79 81 Maps a DLL or memory area into another process 19->81 28 RmClient.exe 1 19->28         started        31 RmClient.exe 19->31         started        33 RmClient.exe 19->33         started        35 12 other processes 19->35 83 Contains functionality to bypass UAC (CMSTPLUA) 24->83 85 Attempt to bypass Chrome Application-Bound Encryption 24->85 87 Contains functionalty to change the wallpaper 24->87 89 7 other signatures 24->89 file11 signatures12 process13 signatures14 93 Tries to steal Instant Messenger accounts or passwords 28->93 95 Tries to steal Mail credentials (via file / registry access) 28->95 97 Tries to steal Mail credentials (via file registry) 35->97 99 Tries to harvest and steal browser information (history, passwords, etc) 35->99 101 Loading BitLocker PowerShell Module 35->101 37 conhost.exe 35->37         started        39 conhost.exe 35->39         started        41 conhost.exe 35->41         started        43 msedge.exe 35->43         started        process15
Score:
24%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Html
Link:
https://app.malva.re/file/910373742b2c91faa03ab50d31f72516
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e
Threat name:
Document-HTML.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 09:07:00 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lyufi42fwhpncbalf7x4oxilmm5ezdxq3tsptz3nturchcbsay7a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
28aab36bc389948b4a145e2087ab28fe8deda466ac7f7a2d9217b42bd0774caf
RemcosRAT
31ad3cdc1ccc501f7d7ac1d15c4092e834fe9dd9f62d26c076cd4bf86ceeb444
RemcosRAT
8ca7124e0d0abbebeb7089771abe45deb02ce6c49ad9ab3f6d6dc3b9cac09013
RemcosRAT
b54ff52b3729fd79f32b7ea4644a8d85380658ce987ac1eea45ca6f76cc6f8ab
RemcosRAT
e806663d79595083316260b4c29b00c503570f2a7b7a26250f64d6ff36590bd5
RemcosRAT
ecadbf33cbf7f7fdbc0021820c72850288f3a4b7bb411d76885f89aa1a3612b3
RemcosRAT
error
RemcosRAT
fe955f2d186ba5e8077fc25ddee450bf0b8bcc998df7adf67038a776b93569cb
RemcosRAT
+ 1'823 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:newfile collection credential_access discovery execution rat stealer
Link:
https://tria.ge/reports/251020-rpdppawrfs/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Executes dropped EXE
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
172.245.95.61:2404
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/5e28547345b1/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/5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e

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 5e28547345b1ded1040b2fefc75d0b633a4c8ef0dce4f9e76d9d22238832063e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3682344/
  
Delivery method
Distributed via web download

Comments