MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 28ccd837ca9db64bef20ceb342c8b54d0ee1d52f0b2be01fa72aef17ad0a6d5f. 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: 8
| SHA256 hash: | 28ccd837ca9db64bef20ceb342c8b54d0ee1d52f0b2be01fa72aef17ad0a6d5f |
|---|---|
| SHA3-384 hash: | 3c9dac86856a28137ccaa929d54ba1111a5595c0f11328919eaeaf5873c1d2b1498b324e50682f0f879b78f4fec1f713 |
| SHA1 hash: | 9b3362954546b535f3b6e5d38d154816e377e3dc |
| MD5 hash: | c1ce241079ddd2a37b1c1f0f5d59f3b3 |
| humanhash: | october-saturn-skylark-timing |
| File name: | PO5382U34T.js |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 448'380 bytes |
| First seen: | 2026-09-17 15:04:43 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 3072:qED5Wqt8QY06A36m6O6k6/6b0o6g62616E6/6v6A6P636S4lE6f5f/6b6I5mb1Vv:s5i |
| TLSH | T1DC94375253EE0A08F2F35B599A3F15258A377C599C3DC22C309CA05E1BF3954C9A6BB3 |
| TrID | 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1) |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | js RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
142
Origin country :
SEVendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint repaired
Verdict:
Suspicious
Labled as:
JS/Agent.EYI
Verdict:
Malicious
File Type:
js
First seen:
2026-09-17T04:30:00Z UTC
Last seen:
2026-09-17T10:48:00Z UTC
Hits:
~100
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Creates processes via WMI
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
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: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
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 MSIL Injector
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
95%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
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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