MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4201a37de82165f55e95f62c830d785d91f706b93f0fd2802ab0868764713d9. 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: 7


Intelligence 7 IOCs YARA 16 File information Comments

SHA256 hash: d4201a37de82165f55e95f62c830d785d91f706b93f0fd2802ab0868764713d9
SHA3-384 hash: cb520861205c5d90d0e66ddd6d4619d541730cf67d06b4e590eaeb691ed6d069b3079c92721f4c6640e273e018cc115d
SHA1 hash: e2494a6995253fbce4d5d637e95d477dcb938f16
MD5 hash: 92b52a7c79002a2fbe0e7a60c50f0d07
humanhash: social-comet-johnny-delta
File name:goodgreatadvantagewithnnicepeoples.hta
Download: download sample
Signature RemcosRAT
File size:46'304 bytes
First seen:2025-05-24 16:01:41 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 384:5ruNtSrd1tSrlBetKLy68yTlV+Afxf/tSrYkkH:YNti1tsQ7iDfxf/tzkkH
TLSH T14D2347B1CB2B217F2DAD1AC09E59D7A6C4BDA8336A5E5159E60C3BD901E0C1532DCB0F
Magika txt
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate shell sage
Result
Threat name:
Cobalt Strike, Remcos
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
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
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
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: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: Suspicious Script Execution From Temp Folder
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
Uses threadpools to delay analysis
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 AntiVM3
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1698530 Sample: goodgreatadvantagewithnnice... Startdate: 24/05/2025 Architecture: WINDOWS Score: 100 58 besttrailwithgreatstartingpointforhimgvf.duckdns.org 2->58 60 geoplugin.net 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 82 19 other signatures 2->82 12 mshta.exe 1 2->12         started        signatures3 80 Uses dynamic DNS services 58->80 process4 signatures5 108 Suspicious command line found 12->108 110 PowerShell case anomaly found 12->110 112 Uses threadpools to delay analysis 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 3 45 15->18         started        23 conhost.exe 15->23         started        process8 dnsIp9 62 107.172.132.32, 49687, 49693, 80 AS-COLOCROSSINGUS United States 18->62 52 C:\Users\user\AppData\...\k2rbnn0x.cmdline, Unicode 18->52 dropped 54 C:\...\goodgreatadvantagewithnnicepeoples.vbe, Unicode 18->54 dropped 84 Loading BitLocker PowerShell Module 18->84 25 wscript.exe 1 18->25         started        28 csc.exe 3 18->28         started        file10 signatures11 process12 file13 94 Detected Cobalt Strike Beacon 25->94 96 Suspicious powershell command line found 25->96 98 Wscript starts Powershell (via cmd or directly) 25->98 100 2 other signatures 25->100 31 powershell.exe 15 15 25->31         started        56 C:\Users\user\AppData\Local\...\k2rbnn0x.dll, PE32 28->56 dropped 35 cvtres.exe 1 28->35         started        signatures14 process15 dnsIp16 68 208.89.61.141, 49691, 80 AXCELX-NETUS 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 4 13 31->37         started        41 conhost.exe 31->41         started        signatures17 process18 dnsIp19 64 besttrailwithgreatstartingpointforhimgvf.duckdns.org 147.124.211.116, 14646, 49694, 49695 AC-AS-1US United States 37->64 66 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 37->66 86 Contains functionality to bypass UAC (CMSTPLUA) 37->86 88 Detected Remcos RAT 37->88 90 Tries to steal Mail credentials (via file registry) 37->90 92 7 other signatures 37->92 43 CasPol.exe 1 37->43         started        46 CasPol.exe 37->46         started        48 CasPol.exe 14 37->48         started        50 CasPol.exe 37->50         started        signatures20 process21 signatures22 102 Tries to steal Instant Messenger accounts or passwords 43->102 104 Tries to steal Mail credentials (via file / registry access) 43->104 106 Tries to harvest and steal browser information (history, passwords, etc) 46->106
Threat name:
Script-JS.Downloader.Nemucod
Status:
Malicious
First seen:
2025-05-24 16:10:28 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
8 of 24 (33.33%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Behaviour
Modifies registry class
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
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Evasion via Device Credential Deployment
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
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 d4201a37de82165f55e95f62c830d785d91f706b93f0fd2802ab0868764713d9

(this sample)

  
Delivery method
Distributed via web download

Comments