MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a67bbf80bdf9f555d4342716a9f240526f8e6bde9674bd0574c5a1bc8bd61f12. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a67bbf80bdf9f555d4342716a9f240526f8e6bde9674bd0574c5a1bc8bd61f12
SHA3-384 hash: 9ebee4ae2eeee45ec8560a09595f5e4eec009491e4ad84bc9295d9b910013186a86810a15eb038d1866b1bbfa2568896
SHA1 hash: 43234a6be8a867c8360335a002532eaaa75e30aa
MD5 hash: 3d8d1daca4d7606b38266bf0acbf7e05
humanhash: apart-neptune-autumn-yankee
File name:CopilotDrivers.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'521'033 bytes
First seen:2025-09-06 06:56:21 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:zr4s2YlnkMGytKFKWytKFKhr4s2YlnkMGytKFKg:RpkVR8WR8rpkVR8g
TLSH T156C5A6A387C8738E04621C35D3693FB3B3C5C9FB285F964E3A63566DE439902C166B60
Magika scss
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bbdb9eeb163e0ec184ea98
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint obfuscated obfuscated powershell
Link:
https://www.filescan.io/uploads/68bbdc5766bdddca30693314/reports/755d2ada-1fa8-46fb-a57b-bf2fe817a1eb/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a67bbf80bdf9f555d4342716a9f240526f8e6bde9674bd0574c5a1bc8bd61f12
Verdict:
Malicious
File Type:
js
First seen:
2025-09-06T02:43:00Z UTC
Last seen:
2025-09-06T02:43:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a67bbf80bdf9f555d4342716a9f240526f8e6bde9674bd0574c5a1bc8bd61f12/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1772266
Signature
Creates processes via WMI
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
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 Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
Score:
87%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a67bbf80bdf9f555d4342716a9f240526f8e6bde9674bd0574c5a1bc8bd61f12
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a67bbf80bdf9f555d4342716a9f240526f8e6bde9674bd0574c5a1bc8bd61f12/
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-09-06 07:11:39 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uz537af57h2vlvbue4lkt4sakjxy4266sz2l2bluywq3zc6wd4ja._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos discovery execution rat
Link:
https://tria.ge/reports/250906-hs5sxastg1/
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_20250904/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/a67bbf80bdf9f555d4342716a9f240526f8e6bde9674bd0574c5a1bc8bd61f12

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Web download

RemcosRAT

Java Script (JS) js a67bbf80bdf9f555d4342716a9f240526f8e6bde9674bd0574c5a1bc8bd61f12

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3597686/
  
Delivery method
Distributed via web download

Comments