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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a95daf49b0fa4e3437bdecfbc6efad40b0215010e0cf8860f95ac7fdc925ba66. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: a95daf49b0fa4e3437bdecfbc6efad40b0215010e0cf8860f95ac7fdc925ba66
SHA3-384 hash: 2ebdf55c654e7924e70b0b170c8caaa1d0a5966b2234238d2063b16ee1b15c9c664c40859e484cbf85109e2132a834d0
SHA1 hash: 6369ac6be39c53c20288b7b7db723df5bfdffd93
MD5 hash: ea4edd559bc752750ff56897b52a873c
humanhash: carpet-happy-black-oven
File name:RS0045294.js
Download: download sample
Signature RemcosRAT
File size:31'910 bytes
First seen:2026-09-30 08:27:51 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:hxd8KlUE9LZxBCYaCpbF0ljafnOnvBVL/KzPXecRQ3R06G9:1xpOvse3S9
TLSH T161E239C4EA5E9A343831DD883ED0295B46259443AC3FCDEC220A89A56632F4765FC5FF
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 :
166
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm evasive fingerprint repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-09-30T01:58:00Z UTC
Last seen:
2026-10-01T06:53:00Z UTC
Hits:
~1000
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
Creates processes via WMI
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Powershell connects to network
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected MSIL Injector
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1979876 Sample: RS0045294.js Startdate: 30/09/2026 Architecture: WINDOWS Score: 100 34 fibernetperu.pe 2->34 36 rough-truth-e072.publicftpresend.workers.dev 2->36 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 8 other signatures 2->50 9 wscript.exe 1 2 2->9         started        13 wscript.exe 2->13         started        15 svchost.exe 1 1 2->15         started        signatures3 process4 dnsIp5 32 C:\Users\Public\Downloads\meu_script.js, Unicode 9->32 dropped 54 Suspicious powershell command line found 9->54 56 Wscript starts Powershell (via cmd or directly) 9->56 58 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->58 60 2 other signatures 9->60 18 powershell.exe 14 17 9->18         started        22 MpCmdRun.exe 1 13->22         started        42 127.0.0.1 unknown unknown 15->42 file6 signatures7 process8 dnsIp9 38 fibernetperu.pe 65.181.111.155, 443, 49700 WHG-USE1GB United States 18->38 40 rough-truth-e072.publicftpresend.workers.dev 104.21.91.242, 443, 49699 CLOUDFLARENET-CloudflareIncUS Canada 18->40 52 Powershell connects to network 18->52 24 cmd.exe 2 18->24         started        26 conhost.exe 18->26         started        28 conhost.exe 22->28         started        signatures10 process11 process12 30 conhost.exe 24->30         started       
Gathering data
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
Enumerates connected drives
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.

File information


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

Comments