MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cd2ac30aa3a2f3b14420b225080e371b1eaf4718ee87972a5ce26eebb74d940. 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

SHA256 hash:	8cd2ac30aa3a2f3b14420b225080e371b1eaf4718ee87972a5ce26eebb74d940
SHA3-384 hash:	ae5d63a9ff9df83ea64927b43dc49417cf9f045006422575c94b29d662a5074835e8f0690185654023b1ff0bc844037e
SHA1 hash:	a433bedbaedfd71e3a888bb14bf828541b99289d
MD5 hash:	782dd0ebf0754fa0a41a4c4b2c944523
humanhash:	fish-eleven-princess-william
File name:	CopilotDrivers.js
Download:	download sample
Signature	RemcosRAT Alert Create hunting rule
File size:	4'221'287 bytes
First seen:	2025-12-16 14:38:50 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	192:RL74A3y5/68JfgDZWYWmRtcZBtQMmHg58/Rix9x9+bSXLCuLzLoI:Rfy5/68iZQ2cl/ZOJE7QuXfp
TLSH	T1F01614301046255240E1D36E6B2A48B5F6B721A34B62DD94F272D0DF8BFF4B21AB9C7D
Magika	javascript
Reporter	abuse_ch
Tags:	js RemcosRAT

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

136

Origin country :

SE

Vendor Threat Intelligence

ACCE Unknown

No detections

CyberFortress Malicious

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69416f264d2b81828c3b4c02

Tags:

obfuscate xtreme keylog

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

anti-vm base64 base64 fingerprint obfuscated obfuscated overlay powershell repaired

Link:

https://www.filescan.io/uploads/69416f17e126b9ff4382c319/reports/14566d37-bf81-47c3-abc5-d5602cbc8d6e/overview

Hybrid Analysis JS/TrojanDownloader.Agent

Verdict:

Malicious

Labled as:

JS/TrojanDownloader.Agent

Link:

https://www.hybrid-analysis.com/sample/8cd2ac30aa3a2f3b14420b225080e371b1eaf4718ee87972a5ce26eebb74d940

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2025-12-15T23:16:00Z UTC

Last seen:

2025-12-17T00:08:00Z UTC

Hits:

~10

Detections:

Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic

Link:

https://opentip.kaspersky.com/8cd2ac30aa3a2f3b14420b225080e371b1eaf4718ee87972a5ce26eebb74d940/results?tab=lookup

Joe Sandbox Remcos

Result

Threat name:

Remcos

Alert

Create hunting rule

Detection:

malicious

Classification:

rans.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1834005

Signature

.NET source code contains potential unpacker

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to register a low level keyboard hook

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Contains functionalty to change the wallpaper

Creates processes via WMI

Detected Remcos RAT

Found malware configuration

Found Tor onion address

Injects a PE file into a foreign processes

Installs a global keyboard hook

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

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: Remcos

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain found

Suspicious powershell command line found

Unusual module load detection (module proxying)

Uses dynamic DNS services

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 Powershell download and execute

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Benign

Score:

20%

Verdict:

Benign

File Type:

SCRIPT

Link:

https://malprob.io/report/8cd2ac30aa3a2f3b14420b225080e371b1eaf4718ee87972a5ce26eebb74d940

Malva.RE inconclusive

Verdict:

inconclusive

YARA:

1 match(es)

Link:

https://app.malva.re/file/782dd0ebf0754fa0a41a4c4b2c944523

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8cd2ac30aa3a2f3b14420b225080e371b1eaf4718ee87972a5ce26eebb74d940/

Neiki Family.REMCOS

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/8cd2ac30aa3a2f3b14420b225080e371b1eaf4718ee87972a5ce26eebb74d940

ReversingLabs TitaniumCloud Script-JS.Trojan.Egairtigado

Threat name:

Script-JS.Trojan.Egairtigado

Alert

Create hunting rule

Status:

Malicious

First seen:

2025-12-16 14:39:21 UTC

File Type:

Binary

AV detection:

8 of 23 (34.78%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rtjkymfkhixtwfccbmrfbahdogy6v5drr3uhs4vfzyto5o3u3faa._file

Hatching Triage remcos

Result

Malware family:

remcos

Alert

Create hunting rule

Score:

  10/10

Tags:

family:remcos discovery execution rat

Link:

https://tria.ge/reports/251216-r1eq5a1jf1/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Badlisted process makes network request

Command and Scripting Interpreter: PowerShell

Process spawned unexpected child process

Remcos

Remcos family

Malware Config

C2 Extraction:

systemcopilotdriver.ydns.eu:3001

Dropper Extraction:

https://archive.org/download/optimized_msi_20251215_1445/optimized_MSI.png

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Suspicious File

Threat name:

Suspicious File

Score:

0.55

Link:

https://yomi.yoroi.company/submissions/8cd2ac30aa3a2f3b14420b225080e371b1eaf4718ee87972a5ce26eebb74d940