MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af6c6b710e9a4c5e2d8b53642779548a4edcd528cd7e5714c6ac9d69f38efb80. 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 1 File information Comments
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SHA256 hash: af6c6b710e9a4c5e2d8b53642779548a4edcd528cd7e5714c6ac9d69f38efb80
SHA3-384 hash: cb75fd6c30884384cde3b6b49bba1129bb854aeafcd4e7eb178efaee4f7b8a4a681d221f2e63d6d15cb36676c73bc937
SHA1 hash: 9ac735295a8b3bc10740d50669f6fa5c81ae10ce
MD5 hash: 5215d83b478d7a718062863c5efbbeeb
humanhash: hotel-bakerloo-november-neptune
File name:clearentirethingwithbestnoticetheeverythinggooodfrome.hta
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:147'751 bytes
First seen:2024-12-16 06:10:53 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 768:t1EZFxaTOum2oum2M5KUJDVUKhCbGVf/AMF9woN83WkkA7MhrkK0IHj66666666l:tg
Threatray 169 similar samples on MalwareBazaar
TLSH T1BCE35027D5DB943C65E7BEBBF71CBF2B1183AD05EC8985CB095C4A900DD2A8E7234984
Magika javascript
Reporter lontze7
Tags:hta RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.GT.JS.Phishing.17.506D8736.8834.18753.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675fc5ce8fb73f13afcc60e5
Tags:
obfuscate shell sage
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/af6c6b710e9a4c5e2d8b53642779548a4edcd528cd7e5714c6ac9d69f38efb80/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/675fc47755c52832f83e2591/reports/ff7ae4cd-425d-4dfa-842f-5c1ab554fc31/overview
Verdict:
Malicious
Labled as:
GT:JS.Phishing.17
Link:
https://www.hybrid-analysis.com/sample/af6c6b710e9a4c5e2d8b53642779548a4edcd528cd7e5714c6ac9d69f38efb80
Result
Verdict:
MALICIOUS
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/1575615
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
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
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
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)
Uses dynamic DNS services
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 Generic Downloader
Yara detected obfuscated html page
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: 1575615 Sample: clearentirethingwithbestnot... Startdate: 16/12/2024 Architecture: WINDOWS Score: 100 56 kelexrmcadmnnccupdated.duckdns.org 2->56 58 paste.ee 2->58 60 2 other IPs or domains 2->60 74 Suricata IDS alerts for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 84 17 other signatures 2->84 12 mshta.exe 1 2->12         started        signatures3 80 Uses dynamic DNS services 56->80 82 Connects to a pastebin service (likely for C&C) 58->82 process4 signatures5 110 Suspicious command line found 12->110 112 PowerShell case anomaly found 12->112 15 cmd.exe 1 12->15         started        process6 signatures7 114 Detected Cobalt Strike Beacon 15->114 116 Suspicious powershell command line found 15->116 118 Wscript starts Powershell (via cmd or directly) 15->118 120 PowerShell case anomaly found 15->120 18 powershell.exe 42 15->18         started        23 conhost.exe 15->23         started        process8 dnsIp9 62 192.3.122.159, 49730, 80 AS-COLOCROSSINGUS United States 18->62 50 simplegreatfeature...gsentirelifegoi.vbS, Unicode 18->50 dropped 52 C:\Users\user\AppData\...\r1df4acf.cmdline, Unicode 18->52 dropped 86 Loading BitLocker PowerShell Module 18->86 25 wscript.exe 1 18->25         started        28 csc.exe 3 18->28         started        file10 signatures11 process12 file13 96 Detected Cobalt Strike Beacon 25->96 98 Suspicious powershell command line found 25->98 100 Wscript starts Powershell (via cmd or directly) 25->100 102 2 other signatures 25->102 31 powershell.exe 15 16 25->31         started        54 C:\Users\user\AppData\Local\...\r1df4acf.dll, PE32 28->54 dropped 35 cvtres.exe 1 28->35         started        signatures14 process15 dnsIp16 68 paste.ee 172.67.187.200, 443, 49738 CLOUDFLARENETUS United States 31->68 70 Writes to foreign memory regions 31->70 72 Injects a PE file into a foreign processes 31->72 37 CasPol.exe 3 13 31->37         started        41 conhost.exe 31->41         started        signatures17 process18 dnsIp19 64 kelexrmcadmnnccupdated.duckdns.org 107.173.143.31, 14646, 49739, 49740 AS-COLOCROSSINGUS United States 37->64 66 geoplugin.net 178.237.33.50, 49741, 80 ATOM86-ASATOM86NL Netherlands 37->66 88 Contains functionality to bypass UAC (CMSTPLUA) 37->88 90 Detected Remcos RAT 37->90 92 Tries to steal Mail credentials (via file registry) 37->92 94 7 other signatures 37->94 43 CasPol.exe 37->43         started        46 CasPol.exe 37->46         started        48 CasPol.exe 14 37->48         started        signatures20 process21 signatures22 104 Tries to steal Instant Messenger accounts or passwords 43->104 106 Tries to steal Mail credentials (via file / registry access) 43->106 108 Tries to harvest and steal browser information (history, passwords, etc) 46->108
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/af6c6b710e9a4c5e2d8b53642779548a4edcd528cd7e5714c6ac9d69f38efb80
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af6c6b710e9a4c5e2d8b53642779548a4edcd528cd7e5714c6ac9d69f38efb80/
Threat name:
Script-JS.Phishing.Generic
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Status:
Malicious
First seen:
2024-12-16 03:13:59 UTC
File Type:
Text
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v5wgw4iotjgf4lmlknsco6kurjhnzvjizv7fofggvsowt44o7oaa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
264fc1a50a0f37a599e8cb50572d99a78c493da4837930a480253e04a5963fa9
RemcosRAT
277bce05fe87b2c2edd725dc6bc75c98a9f3d3fc68159a65471625009fe0e9e7
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32f32787e8bbc5276d6f9d1d1d8b0f5f762b33df9abf8a820f34d6e702603b99
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4d4b203f72413a42a31be62977b8a6508e7f04f9192913c432ab456b15fc3004
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b3a40331524394846d2782f1e52e1410ce1681283f8c715373bab73c84fa30ec
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c865fc0e856370e94724131a1ae04b852d6e4b98d7060a1e702b7ff933ac947b
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e38472a309a8c98d56f4d3384be87b4f619f93c8af02ca9c08236e20987b380c
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error
RemcosRAT
fc357d0488d2be1a5a49893d842e24d303250346dad592f6b1c8a9511edc15d2
RemcosRAT
+ 159 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution phishing rat
Link:
https://tria.ge/reports/241216-gxledsypgk/
Behaviour
Modifies Internet Explorer settings
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
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:
kelexrmcadmnnccupdated.duckdns.org:14646
Dropper Extraction:
https://res.cloudinary.com/dzvai86uh/image/upload/v1734050991/unxaooiykxfmw9pan4z1.jpg%20
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/af6c6b710e9a4c5e2d8b53642779548a4edcd528cd7e5714c6ac9d69f38efb80

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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(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 af6c6b710e9a4c5e2d8b53642779548a4edcd528cd7e5714c6ac9d69f38efb80

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3351356/

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