MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aeba54e4b2dbace241a721e120366b8194a5a1fa4b1fb28cbe49cb432cc60ec. 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 1 File information Comments

SHA256 hash: 8aeba54e4b2dbace241a721e120366b8194a5a1fa4b1fb28cbe49cb432cc60ec
SHA3-384 hash: 134d5757c10a451d8768370574a09209a86ce38652b57b2305869018858fb9a4fbdb09d1970e7dd918e5629330c94924
SHA1 hash: 878d2ecbccf65e8d9bc658852abd077fa0645af4
MD5 hash: f53f544714e7c9f400d5e2ca2293aee1
humanhash: neptune-nitrogen-spaghetti-lake
File name:20260010INTOTMS-4109926.vbs
Download: download sample
Signature RemcosRAT
File size:15'631'716 bytes
First seen:2026-06-10 12:59:30 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/csv
ssdeep 768:cHHucaM5kBKowIT6vitEtfMU/kQGcryb70UFKH2ygdWITkX5LaZ098fuwHaFISoM:i17Bq8
TLSH T147F6D3B173B2902BF1E98BBAB055D5E762CF31F424A4CEF6A89ED51C3750A06E235D01
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
81.4%
Tags:
xtreme shell sage
Verdict:
Malicious
File Type:
text
First seen:
2026-06-10T08:34:00Z UTC
Last seen:
2026-06-10T09:55:00Z UTC
Hits:
~1000
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
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 check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Internet Explorer form passwords
Contains functionalty to change the wallpaper
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
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
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Environment Variable Has Been Registered
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)
Unusual module load detection (module proxying)
Uses dynamic DNS services
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1925848 Sample: 20260010INTOTMS-4109926.vbs Startdate: 10/06/2026 Architecture: WINDOWS Score: 100 37 1sun.duckdns.org 2->37 39 small-morning-8be0.fsocietyandtools.workers.dev 2->39 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 55 10 other signatures 2->55 8 wscript.exe 12 1 2->8         started        11 svchost.exe 1 1 2->11         started        signatures3 53 Uses dynamic DNS services 37->53 process4 dnsIp5 69 Suspicious powershell command line found 8->69 71 Wscript starts Powershell (via cmd or directly) 8->71 73 Bypasses PowerShell execution policy 8->73 75 5 other signatures 8->75 14 powershell.exe 14 15 8->14         started        18 powershell.exe 15 8->18         started        43 127.0.0.1 unknown unknown 11->43 signatures6 process7 dnsIp8 45 small-morning-8be0.fsocietyandtools.workers.dev 172.67.208.40, 443, 49689 CLOUDFLARENET-CloudflareIncUS Canada 14->45 77 Writes to foreign memory regions 14->77 79 Found suspicious powershell code related to unpacking or dynamic code loading 14->79 81 Injects a PE file into a foreign processes 14->81 83 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->83 20 CasPol.exe 14->20         started        23 CasPol.exe 4 3 14->23         started        27 conhost.exe 14->27         started        29 conhost.exe 18->29         started        signatures9 process10 dnsIp11 57 Contains functionality to bypass UAC (CMSTPLUA) 20->57 59 Contains functionalty to change the wallpaper 20->59 61 Contains functionality to steal Internet Explorer form passwords 20->61 67 2 other signatures 20->67 41 1sun.duckdns.org 185.161.208.152, 49691, 49692, 62885 DELTAHOST-ASUA Netherlands 23->41 31 C:\Users\user\AppData\...\Login Data.tmp, SQLite 23->31 dropped 33 C:\Users\user\AppData\...\Login Data.tmp, SQLite 23->33 dropped 35 C:\Users\user\...\Login Data For Account.tmp, SQLite 23->35 dropped 63 Detected Remcos RAT 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 file12 signatures13
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:photo%$ collection discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
1sun.duckdns.org:62885
1sun-bk.duckdns.org:55793
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: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.

Comments