MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d54a42b3bd479d4da911611fc771ef0cbb28dc3da408ed11d252a362e4865403. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: d54a42b3bd479d4da911611fc771ef0cbb28dc3da408ed11d252a362e4865403
SHA3-384 hash: 58a1a83f90a5502b1258b8ee79417cb0ce664772459c8d58aa8f339a03e145ee623b01f5ee835e40432b79538a8e9443
SHA1 hash: dc7acfe3861c8bbfd85554a13c6846dc8fe207db
MD5 hash: 5e288ec847c07e4012b4cf617c0f280b
humanhash: fillet-moon-carpet-lactose
File name:Proposal and Quotation.js
Download: download sample
Signature RemcosRAT
File size:1'140'709 bytes
First seen:2026-08-11 08:58:38 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:cF9vDFYFxFuF7wvDFyvuFNULFyvDF3FSvuFuF7wvuFCF4FxFNULFxFWFCF4FYFxp:d
TLSH T1ED3576674243A0C96A68F388DD0C41CEEFF5634F0833FEA93F6AACD59D364142855DA9
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
131
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint obfuscated powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-08-11T03:25:00Z UTC
Last seen:
2026-08-12T04:35:00Z UTC
Hits:
~100
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Attempt to bypass Chrome Application-Bound Encryption
Bypasses PowerShell execution policy
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 evasive API chain checking for user administrative privileges
Found malware configuration
Found stalling execution ending in API Sleep call
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)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Process Parents
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)
Tries to harvest and steal browser information (history, passwords, etc)
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1955796 Sample: Proposal and Quotation.js Startdate: 11/08/2026 Architecture: WINDOWS Score: 100 40 2goelectricity.co.za 2->40 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 13 other signatures 2->50 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 60 Suspicious powershell command line found 10->60 62 Wscript starts Powershell (via cmd or directly) 10->62 64 Obfuscated command line found 10->64 66 4 other signatures 10->66 13 powershell.exe 14 15 10->13         started        process6 dnsIp7 42 2goelectricity.co.za 102.209.117.206, 443, 49720 Host-Africa-AS2ZA South Africa 13->42 68 Writes to foreign memory regions 13->68 70 Injects a PE file into a foreign processes 13->70 17 calc.exe 4 9 13->17         started        22 conhost.exe 13->22         started        signatures8 process9 dnsIp10 36 64.89.161.94, 2404, 49724, 49725 GHOSTYNETWORKSUS Luxembourg 17->36 38 127.0.0.1 unknown unknown 17->38 28 C:\Users\user\AppData\...\cookies.sqlite-shm, data 17->28 dropped 30 C:\Users\user\AppData\...\Login Data.tmp, SQLite 17->30 dropped 32 C:\Users\user\AppData\...\Login Data.tmp, SQLite 17->32 dropped 34 C:\Users\user\...\Login Data For Account.tmp, SQLite 17->34 dropped 52 System process connects to network (likely due to code injection or exploit) 17->52 54 Contains functionality to bypass UAC (CMSTPLUA) 17->54 56 Detected Remcos RAT 17->56 58 7 other signatures 17->58 24 msedge.exe 7 17->24         started        file11 signatures12 process13 process14 26 msedge.exe 24->26         started       
Gathering data
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://2goelectricity.co.za/MSI_213534.png
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments