MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 741297ecc59d39296f360b100032cdb120af2eb4ccc5b91f370c0eacb9ee7e25. 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 1 File information Comments

SHA256 hash: 741297ecc59d39296f360b100032cdb120af2eb4ccc5b91f370c0eacb9ee7e25
SHA3-384 hash: 03c0ab4559e0299b308e74d5db45a7a816ec565810e2a376ca05cf30477d5af8709d0639f6a4d4a58206c260d38c5e39
SHA1 hash: 418e5c2cfc4ba40069bbcbc7373e9ff0b71740f2
MD5 hash: 5a9dc05899d1a19be638824e5f47b88e
humanhash: golf-aspen-robert-muppet
File name:sweetbabygivenbestthignsetnirelifegivenbackbestthignsalways.hta
Download: download sample
Signature RemcosRAT
File size:614'246 bytes
First seen:2024-11-26 08:15:51 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 192:4dE6COljVneLyZXcFeLyZXcEeLyZXc/Czt4kQ:b6COljV+zO7
Threatray 99 similar samples on MalwareBazaar
TLSH T12CD403428C5F11AAB1DC9A9FFB7C542A2593D1EBAA4D1FAAD90FFDC0D8C2204F550C58
Magika javascript
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
dropper gumen shell sage
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Behaviour
BlacklistAPI detected
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 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
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
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: 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
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 HtmlPhish44
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1562937 Sample: sweetbabygivenbestthignsetn... Startdate: 26/11/2024 Architecture: WINDOWS Score: 100 50 nextnewupdationsforu.duckdns.org 2->50 52 ip.3105.filemail.com 2->52 54 3105.filemail.com 2->54 70 Suricata IDS alerts for network traffic 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 78 19 other signatures 2->78 11 mshta.exe 1 2->11         started        signatures3 76 Uses dynamic DNS services 50->76 process4 signatures5 102 Detected Cobalt Strike Beacon 11->102 104 Suspicious powershell command line found 11->104 106 PowerShell case anomaly found 11->106 14 powershell.exe 3 39 11->14         started        process6 dnsIp7 60 104.168.46.26, 49730, 49738, 80 AS-COLOCROSSINGUS United States 14->60 46 bestofthingswithen...thignstodowithg.vBs, Unicode 14->46 dropped 48 C:\Users\user\AppData\...\blaytqul.cmdline, Unicode 14->48 dropped 62 Detected Cobalt Strike Beacon 14->62 64 Suspicious powershell command line found 14->64 66 Obfuscated command line found 14->66 68 Found suspicious powershell code related to unpacking or dynamic code loading 14->68 19 wscript.exe 1 14->19         started        22 powershell.exe 21 14->22         started        24 csc.exe 3 14->24         started        27 conhost.exe 14->27         started        file8 signatures9 process10 file11 80 Detected Cobalt Strike Beacon 19->80 82 Suspicious powershell command line found 19->82 84 Wscript starts Powershell (via cmd or directly) 19->84 88 3 other signatures 19->88 29 powershell.exe 7 19->29         started        86 Loading BitLocker PowerShell Module 22->86 44 C:\Users\user\AppData\Local\...\blaytqul.dll, PE32 24->44 dropped 32 cvtres.exe 1 24->32         started        signatures12 process13 signatures14 108 Detected Cobalt Strike Beacon 29->108 110 Suspicious powershell command line found 29->110 112 Obfuscated command line found 29->112 34 powershell.exe 15 16 29->34         started        38 conhost.exe 29->38         started        process15 dnsIp16 56 ip.3105.filemail.com 193.30.119.205, 443, 49731 DFNVereinzurFoerderungeinesDeutschenForschungsnetzese unknown 34->56 90 Writes to foreign memory regions 34->90 92 Injects a PE file into a foreign processes 34->92 40 CasPol.exe 3 34->40         started        signatures17 process18 dnsIp19 58 nextnewupdationsforu.duckdns.org 192.169.69.26, 14645, 49739, 49740 WOWUS United States 40->58 94 Contains functionality to bypass UAC (CMSTPLUA) 40->94 96 Detected Remcos RAT 40->96 98 Contains functionalty to change the wallpaper 40->98 100 4 other signatures 40->100 signatures20
Threat name:
Script-JS.Trojan.Remcos
Status:
Malicious
First seen:
2024-11-26 06:32:28 UTC
File Type:
Text
AV detection:
7 of 24 (29.17%)
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 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:
nextnewupdationsforu.duckdns.org:14645
Dropper Extraction:
https://3105.filemail.com/api/file/get?filekey=shTPHbCPX8o-lOtCqHLG6_0xCy-xl4tnxlAVbQ95-dviTK5cARaNdQjbb3mexfwQzKmTXg&skipreg=true&pk_vid=e0109638c9bfb9571732531309b5ff7c
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:RansomPyShield_Antiransomware
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 741297ecc59d39296f360b100032cdb120af2eb4ccc5b91f370c0eacb9ee7e25

(this sample)

  
Delivery method
Distributed via web download

Comments