MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7abe8b32dbd89131ca036bd0a9ea1f4040a187322a1e8f8abc9b2f7c912a1f8. 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


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: b7abe8b32dbd89131ca036bd0a9ea1f4040a187322a1e8f8abc9b2f7c912a1f8
SHA3-384 hash: e22cd5f0be6ad4e7f88a69369afd091f8c6ab7440ebdbf6691f0a2ba7b71dda0ba8313bea42caf37448ee07d5dd0dea7
SHA1 hash: b39243e587cd86d0157a2c0d3dedd9ac12a055a0
MD5 hash: a6136083edffb2613f3854faba2e3a42
humanhash: fourteen-winner-winner-orange
File name:CopilotDriver.vbs
Download: download sample
Signature RemcosRAT
File size:2'958'404 bytes
First seen:2025-08-22 14:56:35 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24576:BlmZPKMDLdgBEjdSxDTEdLlmZPKMDLdgBEjdSxDTEdplmZPKMDLdgBEjdSxDTEdJ:BjeSgdjeSgvjeSgL
Threatray 16 similar samples on MalwareBazaar
TLSH T159D5E1DFB90D16C8888632FA69159592F1CE83D13305CBB2ED74C79472998B8E92F7C1
Magika vba
Reporter abuse_ch
Tags:MSI-STEGO RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
54
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
File Type:
vbs
First seen:
2025-08-23T00:26:00Z UTC
Last seen:
2025-08-23T00:26:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Creates processes via WMI
Found Tor onion address
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: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Uses dynamic DNS services
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:
Verdict:
Malware
YARA:
1 match(es)
Tags:
Batch Command DeObfuscated PowerShell PowerShell Call Scripting.FileSystemObject SMTPControl.SMTP VBScript
Threat name:
Script-WScript.Backdoor.Remcos
Status:
Malicious
First seen:
2025-08-22 14:57:43 UTC
File Type:
Text (VBS)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos defense_evasion discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Process spawned unexpected child process
Remcos
Remcos family
Malware Config
C2 Extraction:
pasar09enero.duckdns.org:3000
Dropper Extraction:
https://archive.org/download/optimized_msi_20250821/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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

Visual Basic Script (vbs) vbs b7abe8b32dbd89131ca036bd0a9ea1f4040a187322a1e8f8abc9b2f7c912a1f8

(this sample)

  
Delivery method
Distributed via web download

Comments