MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff98902753abefb76884fc6fa5fa34f389b215ad9a447bf434624f097f12ad57. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: ff98902753abefb76884fc6fa5fa34f389b215ad9a447bf434624f097f12ad57
SHA3-384 hash: ffcba69db30c61e36246a991848fa8ad3cde441dcb7add572a983dd1fbddeec7db84cb2299da2461b1a70d3b8d836ded
SHA1 hash: f7f0b669264b0a42b290cb5476e21ffa51eebf34
MD5 hash: a9cf15c4f82d5c26f48f4a16dfe7bd1a
humanhash: kentucky-uniform-spring-may
File name:seemybesttimeforgivenmebestthingswithentiretimeforgivenmegreat.hta
Download: download sample
Signature RemcosRAT
File size:212'788 bytes
First seen:2024-11-13 07:26:10 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 48:4FhWsTR/F7gNqXfkz0eZC0yZhboWWCRzESPUJ0cv5p299DdCf+xuj9AoapwSI0t7:43F97AIyCRRtnu4fAf+cZAoaDna8YQ
Threatray 51 similar samples on MalwareBazaar
TLSH T18A248E96EA3588DCB3CD1EA7AEFC779D3A3A574F56CA1E81439B3410CC5078C688086C
Magika javascript
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
remcos gumen
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Payload URLs
URL
File name
http://198.46.178.192/55/seemebestthingsonthepartofworldwhichgrrweatfor.tIF
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
Result
Threat name:
Cobalt Strike, Remcos, HTMLPhisher
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
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
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Obfuscated command line found
PowerShell case anomaly found
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: HackTool - CrackMapExec PowerShell Obfuscation
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
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: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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 HtmlPhish44
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: 1554933 Sample: seemybesttimeforgivenmebest... Startdate: 13/11/2024 Architecture: WINDOWS Score: 100 63 wayo.duckdns.org 2->63 65 ip.1017.filemail.com 2->65 67 2 other IPs or domains 2->67 85 Suricata IDS alerts for network traffic 2->85 87 Found malware configuration 2->87 89 Malicious sample detected (through community Yara rule) 2->89 93 22 other signatures 2->93 12 mshta.exe 1 2->12         started        signatures3 91 Uses dynamic DNS services 63->91 process4 signatures5 117 Detected Cobalt Strike Beacon 12->117 119 Suspicious powershell command line found 12->119 121 PowerShell case anomaly found 12->121 15 powershell.exe 3 39 12->15         started        process6 dnsIp7 75 198.46.178.192, 49704, 49804, 80 AS-COLOCROSSINGUS United States 15->75 55 seemebestthingsont...fworldwhichgrrw.vbS, Unicode 15->55 dropped 57 C:\Users\user\AppData\...\hzdibr53.cmdline, Unicode 15->57 dropped 77 Detected Cobalt Strike Beacon 15->77 79 Suspicious powershell command line found 15->79 81 Obfuscated command line found 15->81 83 Found suspicious powershell code related to unpacking or dynamic code loading 15->83 20 wscript.exe 1 15->20         started        23 powershell.exe 21 15->23         started        25 csc.exe 3 15->25         started        28 conhost.exe 15->28         started        file8 signatures9 process10 file11 95 Detected Cobalt Strike Beacon 20->95 97 Suspicious powershell command line found 20->97 99 Wscript starts Powershell (via cmd or directly) 20->99 103 3 other signatures 20->103 30 powershell.exe 7 20->30         started        101 Loading BitLocker PowerShell Module 23->101 59 C:\Users\user\AppData\Local\...\hzdibr53.dll, PE32 25->59 dropped 33 cvtres.exe 1 25->33         started        signatures12 process13 signatures14 123 Detected Cobalt Strike Beacon 30->123 125 Suspicious powershell command line found 30->125 127 Obfuscated command line found 30->127 35 powershell.exe 15 16 30->35         started        39 conhost.exe 30->39         started        process15 dnsIp16 69 ip.1017.filemail.com 142.215.209.78, 443, 49705 HUMBER-COLLEGECA Canada 35->69 105 Writes to foreign memory regions 35->105 107 Injects a PE file into a foreign processes 35->107 41 CasPol.exe 35->41         started        signatures17 process18 dnsIp19 71 wayo.duckdns.org 135.148.195.248, 49815, 49821, 6847 AVAYAUS United States 41->71 73 geoplugin.net 178.237.33.50, 49823, 80 ATOM86-ASATOM86NL Netherlands 41->73 61 C:\ProgramData\remcos\logs.dat, data 41->61 dropped 109 Contains functionality to bypass UAC (CMSTPLUA) 41->109 111 Detected Remcos RAT 41->111 113 Tries to steal Mail credentials (via file registry) 41->113 115 8 other signatures 41->115 46 CasPol.exe 41->46         started        49 CasPol.exe 41->49         started        51 CasPol.exe 41->51         started        53 CasPol.exe 41->53         started        file20 signatures21 process22 signatures23 129 Tries to steal Instant Messenger accounts or passwords 46->129 131 Tries to steal Mail credentials (via file / registry access) 46->131 133 Tries to harvest and steal browser information (history, passwords, etc) 49->133
Threat name:
Document-HTML.Trojan.Acsogenixx
Status:
Malicious
First seen:
2024-11-12 13:47:34 UTC
File Type:
Text
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost defense_evasion discovery execution rat
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Evasion via Device Credential Deployment
Remcos
Remcos family
Malware Config
C2 Extraction:
wayo.duckdns.org:6847
Dropper Extraction:
https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f
Please note that we are no longer able to provide a coverage score for Virus Total.

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 ff98902753abefb76884fc6fa5fa34f389b215ad9a447bf434624f097f12ad57

(this sample)

  
Delivery method
Distributed via web download

Comments