MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1a8a693300501f5459ec94b0568d7ac7dab97c2f3b8bf427d1608e8d63b32046. 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: 12
| SHA256 hash: | 1a8a693300501f5459ec94b0568d7ac7dab97c2f3b8bf427d1608e8d63b32046 |
|---|---|
| SHA3-384 hash: | 1f355c0899a8047af0f01dd9a015f8762fae47cf357b29396fc52d0b5e2ef14ee5ebc0c3c41d87ec5ca4412c4314c3a0 |
| SHA1 hash: | 2d953cbcfb17f71161709032960c4b78f7046f99 |
| MD5 hash: | 15e3d8ef0518182a58d63d5926521496 |
| humanhash: | speaker-winter-georgia-alpha |
| File name: | PO-153211.js |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 21'457 bytes |
| First seen: | 2026-11-09 10:15:38 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | application/javascript |
| ssdeep | 384:eju6ufju6ufju6uKn1atZfQMHZ/ggEm1Nju6ufju6ufju6ua:eS6qS6qS6jTMjS6qS6qS6z |
| TLSH | T1A4A2C9C41EE4D3584A71D91633B24F108712D90B916C5DF5783CFA8F39DACCC8A6AA6D |
| Magika | txt |
| Reporter |  abuse_ch |
| Tags: | js RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
169
Origin country :
SEVendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.1%
Tags:
dropper virus spawn
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a process with a hidden window
Creating synchronization primitives
Downloading the file
Verdict:
Malicious
Labled as:
Exploit.HTML
Verdict:
Malicious
File Type:
js
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Attempt to bypass Chrome Application-Bound Encryption
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Contains functionality to inject threads in other processes
Contains functionality to steal Internet Explorer form passwords
Creates an undocumented autostart registry key
Detected Remcos RAT
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
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 submitted file
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Remcos
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to harvest and steal browser information (history, passwords, etc)
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 reads language and country specific registry keys (likely country aware script)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Verdict:
Malware
YARA:
1 match(es)
Tags:
Batch Command DeObfuscated Javascript JS Emulation Trace MSXML2.XMLHTTP.6.0 PowerShell PowerShell Call Scripting.FileSystemObject T1027 T1059.001 T1059.007 T1105 WinHttp.WinHttpRequest.5.1 WScript.Shell
Threat name:
Document-HTML.Exploit.Heuristic
Status:
Malicious
First seen:
2026-11-09 10:16:17 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 36 (16.67%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Malware Config
Dropper Extraction:
https://files.catbox.moe/w3tnc1.js
Malware Family:
boxter
Malicious:
True
Tags:
c
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_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects AgentTesla (inconnu, etat extrait) |
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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