MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3f0a76b609410df35e89bb5c5a42c675e787813a92ff54bc7a0598af04b8444b. 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: 9
| SHA256 hash: | 3f0a76b609410df35e89bb5c5a42c675e787813a92ff54bc7a0598af04b8444b |
|---|---|
| SHA3-384 hash: | e89de360e6d23bc901f1e24ed123dd5f5743819db0df6b5fc825adfe313e54b5daa7eb51e7e4ad3c9dc8c2614c1cd626 |
| SHA1 hash: | 5064ba9f67be32b774a1fe9ed88a0579db720cbf |
| MD5 hash: | 2125bbc4ecbb8102f924b8ac752aa02c |
| humanhash: | fifteen-nine-hot-xray |
| File name: | Fedexinvoice20102026.js |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 87'222 bytes |
| First seen: | 2026-10-20 16:50:11 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 1536:wmg9k3AOD2R/g3gShNnSuV6reHr2GtipilbllftEomMfBG:PgG5zV6reHr2G0AP4omM5G |
| TLSH | T13B835A70DA2505774F83BB8CFCA90620C6AED714812640F4FAD9870E950DDECE7B969B |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js RAT RemcosRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 206.123.152.70:56090 | https://threatfox.abuse.ch/ioc/1975149/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
179
Origin country :
NLVendor Threat Intelligence
No detections
Verdict:
Clean
Score:
99.9%
Tags:
n/a
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
encrypted masquerade obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-10-20T13:43:00Z UTC
Last seen:
2026-10-21T15:04:00Z UTC
Hits:
~1000
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Creates processes via WMI
Found suspicious powershell code related to unpacking or dynamic code loading
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Powershell connects to network
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
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 GuLoader
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-10-20 16:50:26 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 24 (25.00%)
Threat level:
2/5
Detection(s):
Malicious file
Result
Malware family:
remcos
Score:
10/10
Tags:
family:guloader family:remcos botnet:last defense_evasion discovery downloader execution persistence privilege_escalation rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Badlisted process makes network request
Family: Guloader,Cloudeye
Family: Remcos
Process spawned unexpected child process
Suricata alert: REMCOS RAT Malware Inbound C2 Communication
Suricata alert: REMCOS RAT Malware Outbound C2 Communication
Malware Config
C2 Extraction:
gahour5lamo1.duckdns.org:56090
gahour5lamo2.duckdns.org:56090
gahour5lamo3.duckdns.org:56090
gahour5lamo4.duckdns.org:56090
yam.janou8kaburo1.com:56090
gahour5lamo2.duckdns.org:56090
gahour5lamo3.duckdns.org:56090
gahour5lamo4.duckdns.org:56090
yam.janou8kaburo1.com:56090
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | detect_powershell |
|---|---|
| Author: | daniyyell |
| Description: | Detects suspicious PowerShell activity related to malware execution |
| 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.
No further information available
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