MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e38472a309a8c98d56f4d3384be87b4f619f93c8af02ca9c08236e20987b380c. 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: e38472a309a8c98d56f4d3384be87b4f619f93c8af02ca9c08236e20987b380c
SHA3-384 hash: 40ad35550d627dabf7ed9f268ae672367ce5e7f4f1c21e67dbefb9fa39655da09e0994fe70d9a8ba192540b4242d8c19
SHA1 hash: 38682b968d3129be8a3f09adab322d43b0696626
MD5 hash: c0ed2b0e377b227dfb57b9a15d2aa4ca
humanhash: georgia-thirteen-hot-potato
File name:asegurar.vbs
Download: download sample
Signature RemcosRAT
File size:29'691'402 bytes
First seen:2024-11-08 12:19:17 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 192:GmpppdpppdpppQvvK6/OkFpbN0RwdU+0lKUntFw/MPKh:XpppdpppdpppyiQOkctymA
Threatray 33 similar samples on MalwareBazaar
TLSH T1FE571B2B881B702CFBB084570ACB8C9AF291A285E7E92F974A4F7405745F86C7D18D7D
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter lontze7
Tags:remcos RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
104
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
powershell gumen
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin ping powershell
Result
Threat name:
Detection:
malicious
Classification:
rans.spre.troj.spyw.expl.evad
Score:
100 / 100
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 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 Remcos RAT
Encrypted powershell cmdline option found
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Paste sharing url in reverse order
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: Remcos
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious Invoke-WebRequest Execution
Sigma detected: Suspicious PowerShell Encoded Command Patterns
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
Uses ping.exe to check the status of other devices and networks
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1552144 Sample: asegurar.vbs Startdate: 08/11/2024 Architecture: WINDOWS Score: 100 34 sremc.duckdns.org 2->34 36 pastebin.com 2->36 38 11 other IPs or domains 2->38 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 74 19 other signatures 2->74 9 wscript.exe 1 2->9         started        signatures3 70 Uses dynamic DNS services 34->70 72 Connects to a pastebin service (likely for C&C) 36->72 process4 signatures5 86 Suspicious powershell command line found 9->86 88 Wscript starts Powershell (via cmd or directly) 9->88 90 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->90 92 Suspicious execution chain found 9->92 12 powershell.exe 7 9->12         started        process6 signatures7 94 Suspicious powershell command line found 12->94 96 Encrypted powershell cmdline option found 12->96 98 Uses ping.exe to check the status of other devices and networks 12->98 100 Found suspicious powershell code related to unpacking or dynamic code loading 12->100 15 powershell.exe 14 17 12->15         started        19 conhost.exe 12->19         started        process8 dnsIp9 50 pastebin.com 104.20.4.235, 443, 49730, 49733 CLOUDFLARENETUS United States 15->50 52 paste.ee 188.114.96.3, 443, 49739 CLOUDFLARENETUS European Union 15->52 54 16.15.193.16, 443, 49736 unknown United States 15->54 56 Encrypted powershell cmdline option found 15->56 58 Writes to foreign memory regions 15->58 60 Potential dropper URLs found in powershell memory 15->60 62 Injects a PE file into a foreign processes 15->62 21 MSBuild.exe 3 15 15->21         started        26 powershell.exe 15 15->26         started        28 PING.EXE 1 15->28         started        30 cmd.exe 1 15->30         started        signatures10 process11 dnsIp12 40 sremc.duckdns.org 152.202.226.52, 2404, 49742 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 21->40 42 geoplugin.net 178.237.33.50, 49744, 80 ATOM86-ASATOM86NL Netherlands 21->42 32 C:\ProgramData\remcos\logs.dat, data 21->32 dropped 76 Contains functionality to bypass UAC (CMSTPLUA) 21->76 78 Detected Remcos RAT 21->78 80 Contains functionalty to change the wallpaper 21->80 84 5 other signatures 21->84 44 s3-w.us-east-1.amazonaws.com 3.5.27.34, 443, 49732 AMAZON-AESUS United States 26->44 46 bitbucket.org 185.166.143.48, 443, 49731, 49734 AMAZON-02US Germany 26->46 82 Potential dropper URLs found in powershell memory 26->82 48 127.0.0.1 unknown unknown 28->48 file13 signatures14
Gathering data
Threat name:
Win32.Trojan.Honolulu
Status:
Malicious
First seen:
2024-11-07 04:49:30 UTC
File Type:
Text (VBS)
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:nt defense_evasion discovery execution rat
Behaviour
Runs ping.exe
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
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Obfuscated Files or Information: Command Obfuscation
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
sremc.duckdns.org:2404
Dropper Extraction:
https://pastebin.com/raw/J6uRjZrv
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

Visual Basic Script (vbs) vbs e38472a309a8c98d56f4d3384be87b4f619f93c8af02ca9c08236e20987b380c

(this sample)

  
Delivery method
Distributed via web download

Comments