MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 880334a4f36170bd8c34b574a919596fd3ba56f2a810310feba377f90dfe49af. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 880334a4f36170bd8c34b574a919596fd3ba56f2a810310feba377f90dfe49af
SHA3-384 hash: dbcdfadad5c6852f9a3a4145bb25091278d0641c90d5b8b722ad38f32e05c15e7ca76658abf36032e1070cf0d3674b0d
SHA1 hash: 843512e3e8eaa729790b28c47894a35a5927776a
MD5 hash: 1102a5f67ab0f5ee9e72a6ea605223df
humanhash: fillet-zulu-football-stairway
File name:module_table_bottom___0004045005033454555555.JPEG.hta
Download: download sample
Signature RemcosRAT
File size:110'775 bytes
First seen:2025-09-16 13:30:58 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 1536:K+fZx04DPPI8Lcsq6LzS85Ea56QJF1o4oBviH:K+fZx0yPPI8d28SLQJcy
Threatray 1'620 similar samples on MalwareBazaar
TLSH T1C4B34CDE3F4E05841B1F9676EAC761A6EF121025D918855AF56CE870E7A2330E1E3E33
Magika html
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
57
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate xtreme virus
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Payload URLs
URL
File name
http://ixti.net/development/javascript/2011/11/11/donated-encodedecode-of-utf8-in-browser-with-js.html
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
File Type:
hta
First seen:
2025-09-15T11:24:00Z UTC
Last seen:
2025-09-15T11:24:00Z UTC
Hits:
~100
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic Trojan-Downloader.Agent.HTTP.C&C PDM:Trojan.Win32.Generic Trojan-Downloader.JS.SLoad.sb
Result
Threat name:
Remcos, PureLog Stealer
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to determine the online IP of the system
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
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 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)
Yara detected AntiVM3
Yara detected Powershell download and execute
Yara detected PureLog Stealer
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: 1778522 Sample: module_table_bottom___00040... Startdate: 16/09/2025 Architecture: WINDOWS Score: 100 41 www.logpasta.com 2->41 43 logpasta.com 2->43 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 16 other signatures 2->61 9 mshta.exe 1 2->9         started        12 svchost.exe 1 1 2->12         started        signatures3 process4 dnsIp5 71 Suspicious powershell command line found 9->71 15 powershell.exe 15 16 9->15         started        47 127.0.0.1 unknown unknown 12->47 signatures6 process7 dnsIp8 49 logpasta.com 178.128.143.185, 443, 49690 DIGITALOCEAN-ASNUS Netherlands 15->49 51 172.245.4.220, 49681, 80 SERVER-MANIACA United States 15->51 53 Suspicious execution chain found 15->53 19 RegAsm.exe 4 3 15->19         started        24 conhost.exe 15->24         started        signatures9 process10 dnsIp11 45 198.55.102.43, 14648, 49691, 49692 ASN-QUADRANET-GLOBALUS United States 19->45 35 C:\Users\user\AppData\Local\Temp\TH9163.tmp, MS-DOS 19->35 dropped 37 C:\Users\user\AppData\Local\Temp\TH9152.tmp, MS-DOS 19->37 dropped 39 C:\Users\user\AppData\Local\Temp\TH9122.tmp, PE32 19->39 dropped 63 Contains functionality to bypass UAC (CMSTPLUA) 19->63 65 Detected Remcos RAT 19->65 67 Contains functionality to determine the online IP of the system 19->67 69 6 other signatures 19->69 26 RmClient.exe 1 19->26         started        29 RmClient.exe 1 19->29         started        31 RmClient.exe 14 19->31         started        33 2 other processes 19->33 file12 signatures13 process14 signatures15 73 Tries to steal Instant Messenger accounts or passwords 26->73 75 Tries to steal Mail credentials (via file / registry access) 26->75 77 Tries to harvest and steal browser information (history, passwords, etc) 29->77 79 Tries to steal Mail credentials (via file registry) 33->79
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Html
Threat name:
Document-HTML.Backdoor.Remcos
Status:
Malicious
First seen:
2025-09-15 19:47:41 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos collection discovery execution rat
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:
198.55.102.43:14648
Dropper Extraction:
http://172.245.4.220/img/optimized_MSI.png
Malware family:
WebBrowserPassView
Verdict:
Malicious
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(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 880334a4f36170bd8c34b574a919596fd3ba56f2a810310feba377f90dfe49af

(this sample)

  
Delivery method
Distributed via web download

Comments