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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a6450f5a3676568e1d3d993d1c6f908af7ca07c41887bf48d1ae9672fc58512. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a6450f5a3676568e1d3d993d1c6f908af7ca07c41887bf48d1ae9672fc58512
SHA3-384 hash: 33d0b7aead0243ae610fac1503f12b4c8f856c32f983fea7b61f035ec481b64758e1c6fd03a77fdbb3580f5e9b9c00f6
SHA1 hash: b20254344d0df6cf8bf08a8e3c55a0c041cefded
MD5 hash: d2183f36851773f9cd4fdbc79e3eb1ef
humanhash: fanta-north-floor-indigo
File name:7556TH364640.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:276'490 bytes
First seen:2026-07-29 03:06:00 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:FupSvRhXaMj2WSUYVrNpX+ChnQ+4U9RggxYsTQ:i1Mj2WinpzO+ZYT
TLSH T1DD441720DCD80B3A0E5707DDFE510A65C9FDC5298627D0ECEA9E171E50125ACEBBF268
Magika vba
Reporter threatcat_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/76617/
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
downloader evasive lolbin msiexec
Link:
https://www.filescan.io/uploads/6a696e396096d187658913fa/reports/25468bf2-f1c9-455f-9edf-4b61601f17ed/overview
Verdict:
Malicious
Labled as:
PowerShell/CloudEye.KM trojan
Link:
https://www.hybrid-analysis.com/sample/4a6450f5a3676568e1d3d993d1c6f908af7ca07c41887bf48d1ae9672fc58512
Verdict:
Malicious
File Type:
vbs
First seen:
2026-07-28T22:34:00Z UTC
Last seen:
2026-07-31T01:06:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/4a6450f5a3676568e1d3d993d1c6f908af7ca07c41887bf48d1ae9672fc58512/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1949303
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (suspicious strings)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1949303 Sample: 7556TH364640.vbs Startdate: 29/07/2026 Architecture: WINDOWS Score: 100 27 drive.usercontent.google.com 2->27 29 drive.google.com 2->29 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected GuLoader 2->41 43 5 other signatures 2->43 8 wscript.exe 1 2->8         started        11 powershell.exe 16 2->11         started        13 rundll32.exe 2->13         started        signatures3 process4 signatures5 45 VBScript performs obfuscated calls to suspicious functions 8->45 47 Suspicious powershell command line found 8->47 49 Wscript starts Powershell (via cmd or directly) 8->49 57 3 other signatures 8->57 15 powershell.exe 16 8->15         started        51 Writes to foreign memory regions 11->51 53 Found suspicious powershell code related to unpacking or dynamic code loading 11->53 55 Switches to a custom stack to bypass stack traces 11->55 19 wab.exe 3 1 11->19         started        21 conhost.exe 11->21         started        23 wab.exe 11->23         started        process6 dnsIp7 31 drive.usercontent.google.com 142.250.188.1, 443, 49769 GOOGLE-GoogleLLCUS United States 15->31 33 drive.google.com 142.250.217.14, 443, 49768 GOOGLE-GoogleLLCUS United States 15->33 35 Found suspicious powershell code related to unpacking or dynamic code loading 15->35 25 conhost.exe 15->25         started        signatures8 process9
Score:
77%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4a6450f5a3676568e1d3d993d1c6f908af7ca07c41887bf48d1ae9672fc58512
Verdict:
Malware
YARA:
1 match(es)
Tags:
Scripting.FileSystemObject Shell.Application T1059.005 VBS Execute Sub-Script VBScript
Link:
https://app.malva.re/file/d2183f36851773f9cd4fdbc79e3eb1ef
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a6450f5a3676568e1d3d993d1c6f908af7ca07c41887bf48d1ae9672fc58512/
Threat name:
Script-WScript.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-07-29 03:06:41 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjsfb5ndm5swryot3gj5drxzbcxxzid4igehx5endluwol6fquja._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Remcos
Create hunting rule
Link:
https://reports.threatray.com/71b428fc-aef4-4d0a-9861-0a5d88224d1e
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution rat
Link:
https://tria.ge/reports/260729-dl14xsvxex/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Command and Scripting Interpreter: PowerShell
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Badlisted process makes network request
Family: Remcos
Malware Config
C2 Extraction:
160.25.72.34:2404
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/4a6450f5a3676568e1d3d993d1c6f908af7ca07c41887bf48d1ae9672fc58512

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Malspam

RemcosRAT

Visual Basic Script (vbs) vbs 4a6450f5a3676568e1d3d993d1c6f908af7ca07c41887bf48d1ae9672fc58512

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/76617/

Comments