MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6. 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 28 File information Comments
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SHA256 hash: 812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6
SHA3-384 hash: a685d5553c4b290a2ff2c383299b759c1297b83659acb4169dc5615c88d9c9124e1e71154d6e032b4465b5e2a8826e3e
SHA1 hash: 88d89ee6de3a62105abd9e7bf210c658417be9f0
MD5 hash: e9301fdc8eb63f842a59da85cb7a23d6
humanhash: hot-robert-montana-nitrogen
File name:fsfjjs903dsf8328sd3930f03303fsdsft233030g484030f309fdfg320400rtetdfg0xc3049gdf329dg20.hta
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:88'336 bytes
First seen:2025-11-04 08:17:47 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 384:+JFLR5ynLR7mpYuf8yvvXm/RKD+DKmfZlJMKOX5X5NG5bUJ0MvoBKajbBZMkosLg:+Rks9voBKMtdKcy
Threatray 2'627 similar samples on MalwareBazaar
TLSH T16683CF0CBF866D94CE63AA5D2610B50C7ABCF37565128DCC3A0FF66B97FE7608612421
Magika html
Reporter abuse_ch
Tags:hta RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6909b6ea9942f1282ecbe0e6
Tags:
obfuscate xtreme spawn
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6/results/dashboard
Payload URLs
URL
File name
http://ixti.net/development/javascript/2011/11/11/orogen-enpantondepanton-of-utf8-in-browser-with-js.html
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6
Verdict:
Malicious
File Type:
hta
First seen:
2025-11-03T00:49:00Z UTC
Last seen:
2025-11-04T10:24:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Trojan-Downloader.JS.SLoad.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic Trojan.Agentb.TCP.C&C
Link:
https://opentip.kaspersky.com/812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6/results?tab=lookup
Result
Threat name:
Remcos, Caminho Loader
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1807494
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Found Tor onion address
Injects a PE file into a foreign processes
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)
Writes to foreign memory regions
Yara detected Caminho Loader
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: 1807494 Sample: fsfjjs903dsf8328sd3930f0330... Startdate: 04/11/2025 Architecture: WINDOWS Score: 100 38 ia801503.us.archive.org 2->38 40 archive.org 2->40 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 14 other signatures 2->62 9 mshta.exe 1 2->9         started        signatures3 process4 signatures5 72 Suspicious powershell command line found 9->72 12 powershell.exe 15 15 9->12         started        process6 dnsIp7 42 192.3.136.216, 49692, 80 AS-COLOCROSSINGUS United States 12->42 44 archive.org 207.241.224.2, 443, 49690 INTERNET-ARCHIVEUS United States 12->44 46 ia801503.us.archive.org 207.241.228.153, 443, 49691 INTERNET-ARCHIVEUS United States 12->46 74 Found Tor onion address 12->74 76 Writes to foreign memory regions 12->76 78 Injects a PE file into a foreign processes 12->78 80 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 12->80 16 CasPol.exe 4 3 12->16         started        21 conhost.exe 12->21         started        signatures8 process9 dnsIp10 36 84.38.129.67, 1477, 49693, 49694 DATACLUB-NL Latvia 16->36 30 C:\Users\user\AppData\Local\Temp\TH8CE0.tmp, MS-DOS 16->30 dropped 32 C:\Users\user\AppData\Local\Temp\TH8C81.tmp, MS-DOS 16->32 dropped 34 C:\Users\user\AppData\Local\Temp\TH8C61.tmp, PE32 16->34 dropped 48 Contains functionality to bypass UAC (CMSTPLUA) 16->48 50 Detected Remcos RAT 16->50 52 Contains functionalty to change the wallpaper 16->52 54 6 other signatures 16->54 23 RmClient.exe 14 16->23         started        26 RmClient.exe 1 16->26         started        28 RmClient.exe 1 16->28         started        file11 signatures12 process13 signatures14 64 Tries to steal Mail credentials (via file registry) 23->64 66 Tries to harvest and steal browser information (history, passwords, etc) 23->66 68 Tries to steal Instant Messenger accounts or passwords 26->68 70 Tries to steal Mail credentials (via file / registry access) 26->70
Score:
79%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Html
Link:
https://app.malva.re/file/e9301fdc8eb63f842a59da85cb7a23d6
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-11-03 04:54:51 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qeqgjndvvttrddqkn6cf7cbaejiptdhtzntehks6xkm2i6le563a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
nirsoft
Create hunting rule
admintool_mailpassview
Create hunting rule
Similar samples:
19d0fe412c0f532dd241df87f12589bee2d2f78f6920a478d93d44d53e2e936c
RemcosRAT
3bfaeb5cdaaaccbfb6ebc5c4a15ac590376a873f767bef4b6ff147a2b106f958
RemcosRAT
4e3c3570d344cbd5cbe17694c8fcb740935539e2c8376ebb60f9fea6c6b30003
RemcosRAT
69a8fdb371c0db74309af631c4a8c5844db6afd759d3fbf5f4fea8afc6f13656
RemcosRAT
8090d733578327c6b42ba49b4dba0ac43fb8cbeffb0d565cbd6609b93e13dd5b
RemcosRAT
b72ad9f5170c18afe5788fff799541fa6e034702ebde25f35279ea39e5385a67
RemcosRAT
error
RemcosRAT
f076cb126c3bd25c0acc73ed92c4b56458d8db76668ce87373ade350170fc5fd
RemcosRAT
+ 2'617 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution rat
Link:
https://tria.ge/reports/251104-j68mdszmbn/
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:
84.38.129.67:1477
Dropper Extraction:
https://archive.org/download/optimized_msi_20251101/optimized_MSI.png
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/812064b475ac/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/812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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)
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

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 812064b475ace7118e0a6f845f88202250f98cf3cb6643aa5eba99a47964efb6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3695132/
  
Delivery method
Distributed via web download

Comments