MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e
SHA3-384 hash: f8e43c69563600c9f9fb48a032cf799221d00cab9d68f6d5511072dcae1d6477cca8b976fa1c7a6d3d2042fd454764e8
SHA1 hash: 3ff1c6f0127349a358f53f04ae5fa1974d2d11b6
MD5 hash: 884ce2d08babefbaf8058a21e0f5df9f
humanhash: alanine-steak-mike-video
File name:CopilotDriver.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'965'490 bytes
First seen:2025-08-22 14:57:58 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24576:uY54P3Ow7tY54P3Ow7tY54P3Ow7kY54P3Ow7tY54P3Ow74:uFW4FW4FWhFW4FW5
Threatray 1'351 similar samples on MalwareBazaar
TLSH T1EF95E1CAB94D5784488672FA65388662F5DDC3E03306D7A2EE38C65473C28F8D97B781
Magika vba
Reporter abuse_ch
Tags:MSI-STEGO RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/22979/
Verdict:
Suspicious
Score:
50%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68a885e86eed937d746d161e
Tags:
obfuscate xtreme spawn
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/68a885dd7137d68458380768/reports/a3535d29-1480-4f3b-8654-de854a74db24/overview
Verdict:
Malicious
Labled as:
GT:VB.Honolulu.1
Link:
https://www.hybrid-analysis.com/sample/a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e
Verdict:
Malicious
File Type:
vbs
First seen:
2025-08-22T12:09:00Z UTC
Last seen:
2025-08-22T12:09:00Z UTC
Hits:
~10
Detections:
Backdoor.Remcos.HTTP.C&C HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1763055
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:
Download SVG
Score:
94%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e
Verdict:
Malware
YARA:
1 match(es)
Tags:
Batch Command DeObfuscated PowerShell PowerShell Call Scripting.FileSystemObject SMTPControl.SMTP VBScript
Link:
https://app.malva.re/file/884ce2d08babefbaf8058a21e0f5df9f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e
Threat name:
Script-WScript.Trojan.Honolulu
Create hunting rule
Status:
Malicious
First seen:
2025-08-22 13:01:52 UTC
File Type:
Text (VBS)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ugwafib3p4eodcqclout353ucbv3qmqwa5kssbqj3dter4kqfypa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
023c2ffe7b6418affcafe78df6d190107a882de63f55c63a266247c22b11e244
RemcosRAT
0780b511b4413c846adda72e7ede6afb0398a084112bf0399d2d4041f952cfa4
RemcosRAT
36f0e0b31d5b901268c65a2d5dd8b48a0e9c9b00a329c10be9a7be625fe5d84d
RemcosRAT
6bc677ac4c36cb99e3170edb2b29b8e8b47399a2896f8f0c6fa998b4337bcf35
RemcosRAT
b3c254d8249b079be915664ed97ac1423aeb9c2845a8521a2d1a31ff0fd66476
RemcosRAT
c208d8d0493c60f14172acb4549dcb394d2b92d30bcae4880e66df3c3a7100e4
RemcosRAT
d58ef7f6352296a5f9052e5bb522a0556037f373b27dd1bf4c53a521f0f7a0a8
RemcosRAT
e119c6c5485307075a1e5d0950a77f978f7f17e23c315ed8c38cc1259b8af26f
RemcosRAT
error
RemcosRAT
+ 1'341 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos defense_evasion discovery execution rat
Link:
https://tria.ge/reports/250822-sc3nqavwcy/
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e

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

Visual Basic Script (vbs) vbs a1ac02a03b7f08e18a025ba93df774106bb832160755290609d8e648f1502e1e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3560095/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3560098/
Cape
Cape
https://www.capesandbox.com/analysis/22979/

Comments