MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f635d3fa7e7bbeb4ba61b34ec6352e3205d56b34330e154441a46181a05d4f5. 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 29 File information Comments
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SHA256 hash: 2f635d3fa7e7bbeb4ba61b34ec6352e3205d56b34330e154441a46181a05d4f5
SHA3-384 hash: f3f8b89a4810cf86bd0af6879caaa56e2dd0c9afe03ea34f7cefb37a4792ac473f249b3dc5478f33d541396ca94632b8
SHA1 hash: 355dff56c6307c2c838326c6962ec2bc10d9e4ca
MD5 hash: f810fdd5a24438a4c61ea173a5be8668
humanhash: emma-yankee-hot-emma
File name:kissingdragonbestloverthinkinggood.hta
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:18'701 bytes
First seen:2025-02-18 09:23:59 UTC
Last seen:2025-02-18 10:29:57 UTC
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 48:3Gli43CCdli/03CCrktvXdopyKV+A/Z8e3CmliJEHli8Z55eZ3CCemliHG:2043n0s3Ovt4HV+PyD0W0r3r0m
TLSH T1D382C6275D70FE069394501128CC7CF779BC2B7A80D49067B01E556A2BD693C5AF82C7
Magika txt
Reporter Mangusta
Tags:216-9-226-100 217-160-17-80 hta RemcosRAT Spam-ITA steganoarmor

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BV.Agent-BVA.4363.32498.UNOFFICIAL
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b4533da0fd713c335b8b4e
Tags:
obfuscate shell sage
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/2f635d3fa7e7bbeb4ba61b34ec6352e3205d56b34330e154441a46181a05d4f5/results/dashboard
Payload URLs
URL
File name
http://217.160.17.80/231/kissingdragonbestloverthinkinggood.gIF
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
Link:
https://www.filescan.io/uploads/67b451c041f6d21e6a3caa0b/reports/e27064a7-a78f-4574-a349-8fd668961d90/overview
Verdict:
Malicious
Labled as:
VBS.Asthma.2.C42C5206
Link:
https://www.hybrid-analysis.com/sample/2f635d3fa7e7bbeb4ba61b34ec6352e3205d56b34330e154441a46181a05d4f5
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Cobalt Strike, Remcos
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Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1617836
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Delayed program exit found
Detected Cobalt Strike Beacon
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 submitted file
Potential malicious VBS script found (suspicious strings)
PowerShell case anomaly found
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious execution chain found
Suspicious powershell command line found
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)
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 Powershell decode and execute
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: 1617836 Sample: kissingdragonbestloverthink... Startdate: 18/02/2025 Architecture: WINDOWS Score: 100 56 171.39.242.20.in-addr.arpa 2->56 58 geoplugin.net 2->58 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 16 other signatures 2->78 12 mshta.exe 1 2->12         started        signatures3 process4 signatures5 106 Suspicious command line found 12->106 108 PowerShell case anomaly found 12->108 15 cmd.exe 1 12->15         started        process6 signatures7 110 Detected Cobalt Strike Beacon 15->110 112 Suspicious powershell command line found 15->112 114 Wscript starts Powershell (via cmd or directly) 15->114 116 PowerShell case anomaly found 15->116 18 powershell.exe 3 45 15->18         started        23 conhost.exe 15->23         started        process8 dnsIp9 60 217.160.17.80, 49704, 49706, 80 ONEANDONE-ASBrauerstrasse48DE Germany 18->60 50 kissingdragonbestl...goorthinkinggoo.vbs, Unicode 18->50 dropped 52 C:\Users\user\AppData\...\3kbtru3y.cmdline, Unicode 18->52 dropped 80 Potential malicious VBS script found (suspicious strings) 18->80 82 Loading BitLocker PowerShell Module 18->82 25 wscript.exe 2 18->25         started        28 csc.exe 3 18->28         started        file10 signatures11 process12 file13 92 Detected Cobalt Strike Beacon 25->92 94 Suspicious powershell command line found 25->94 96 Wscript starts Powershell (via cmd or directly) 25->96 98 2 other signatures 25->98 31 powershell.exe 15 14 25->31         started        54 C:\Users\user\AppData\Local\...\3kbtru3y.dll, PE32 28->54 dropped 35 cvtres.exe 1 28->35         started        signatures14 process15 dnsIp16 66 198.12.123.6, 49705, 80 AS-COLOCROSSINGUS United States 31->66 68 Writes to foreign memory regions 31->68 70 Injects a PE file into a foreign processes 31->70 37 CasPol.exe 3 15 31->37         started        41 conhost.exe 31->41         started        signatures17 process18 dnsIp19 62 216.9.226.100, 3898, 49707, 49708 ATT-INTERNET4US Reserved 37->62 64 geoplugin.net 178.237.33.50, 49709, 80 ATOM86-ASATOM86NL Netherlands 37->64 84 Contains functionality to bypass UAC (CMSTPLUA) 37->84 86 Detected Remcos RAT 37->86 88 Tries to steal Mail credentials (via file registry) 37->88 90 8 other signatures 37->90 43 CasPol.exe 37->43         started        46 CasPol.exe 37->46         started        48 CasPol.exe 14 37->48         started        signatures20 process21 signatures22 100 Tries to steal Instant Messenger accounts or passwords 43->100 102 Tries to steal Mail credentials (via file / registry access) 43->102 104 Tries to harvest and steal browser information (history, passwords, etc) 46->104
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/2f635d3fa7e7bbeb4ba61b34ec6352e3205d56b34330e154441a46181a05d4f5
Detection:
remcos
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Link:
https://mwdb.cert.pl/sample/2f635d3fa7e7bbeb4ba61b34ec6352e3205d56b34330e154441a46181a05d4f5/
Threat name:
Script-WScript.Trojan.Remcos
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Status:
Malicious
First seen:
2025-02-18 09:08:58 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5rv2p5h4656ws5gdm2oyy2s4mqf2vvtimyocvcedjdbqgqf2t2q._file
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution rat
Link:
https://tria.ge/reports/250218-lc68ks1js4/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Accesses Microsoft Outlook accounts
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Blocklisted process makes network request
Evasion via Device Credential Deployment
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
216.9.226.100:3898
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2f635d3fa7e7/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/2f635d3fa7e7bbeb4ba61b34ec6352e3205d56b34330e154441a46181a05d4f5

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
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_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
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:lsi_remcos
Create hunting rule
Author:anonym
Description:Remcos_V5 Payload
Rule name:lsi_remcos2
Create hunting rule
Author:anonym
Description:Remcos_V5 Payload
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:nirsoft_v1
Create hunting rule
Author:RandomMalware
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 2f635d3fa7e7bbeb4ba61b34ec6352e3205d56b34330e154441a46181a05d4f5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3444092/
  
Delivery method
Distributed via web download

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