MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f9f2a7fe68739a20d05d05581b08aed976acfb72bf7398d78f57eb70f8fb101e. 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: 13
| SHA256 hash: | f9f2a7fe68739a20d05d05581b08aed976acfb72bf7398d78f57eb70f8fb101e |
|---|---|
| SHA3-384 hash: | ace1722007eb1cf50cab0f74eafc74bb511d4a58e41dbb18af5869ec472a9eaa7ee8114f2935359194efdb530dd7890b |
| SHA1 hash: | 0745a3f0f529206ae528db040c4f04fb7cb6ec39 |
| MD5 hash: | 2623c39f0d8e49d66632c2157372ba48 |
| humanhash: | whiskey-purple-spaghetti-foxtrot |
| File name: | co.js |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 65'955 bytes |
| First seen: | 2026-05-08 09:48:28 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | text/plain |
| ssdeep | 384:we6jeCijxXyWHBCH1y3SDhJc0zHKHx+lj4:F6CljxXyWHBCVy3SDX9zHuws |
| Threatray | 181 similar samples on MalwareBazaar |
| TLSH | T1DC53353501F3A9DA0D67461D877E467E427B3AD6CCB70834E7C539CA8B24E6E980B1D8 |
| Magika | javascript |
| Reporter | |
| Tags: | js RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
115
Origin country :
SEVendor Threat Intelligence
No detections
Detection(s):
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm evasive fingerprint formbook repaired
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Verdict:
Malicious
File Type:
js
First seen:
2026-05-07T04:52:00Z UTC
Last seen:
2026-05-08T12:03:00Z UTC
Hits:
~10
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Result
Threat name:
Remcos, PhantomGate
Detection:
malicious
Classification:
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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates multiple autostart registry keys
Creates processes via WMI
Detected Remcos RAT
Excessive usage of taskkill to terminate processes
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Register Wscript In Run Key
Sigma detected: Remcos
Sigma detected: Suspicious PowerShell IEX Execution Patterns
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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)
Unusual module load detection (module proxying)
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 PhantomGate
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:
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Script-JS.Trojan.Kepavll
Status:
Malicious
First seen:
2026-05-07 16:42:44 UTC
File Type:
Text (JavaScript)
AV detection:
12 of 24 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 171 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution persistence rat
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
cestfininewdns.vip:2404
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.