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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bc790aaa3fa4b31ab5b2aaad96d0a838c5ae5b89d14355d2d4af6c1589ca36d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bc790aaa3fa4b31ab5b2aaad96d0a838c5ae5b89d14355d2d4af6c1589ca36d
SHA3-384 hash: 29a263e75edd89e404577efdab2211cbb6ed3606cb08ff839c9cfb21ad12de821417c46a42658288bd86d51c5dee9047
SHA1 hash: f6d423ebef978c6a1872da2d00b176e839650f43
MD5 hash: b936bf638feaf1c4f42166cc2c981b07
humanhash: muppet-fourteen-jig-harry
File name:INV&PL.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:66'170 bytes
First seen:2026-09-14 07:17:46 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:sscS1a8Vrb8Q5vheiVlHV3WP6NAeQjAxYX2D:sscub9vheclHVGP6wjO/
TLSH T110536D25EE151A560E4F33AEFC951D52C97CC256412B80B4FEEC670D6406EACF3BE229
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/85329/
Detection(s):
SecuriteInfo.com.Trojan.VBS.Agent.12283.24557.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6aa79fc0f892edf37b53532d/reports/ebc14266-851f-4738-93d3-1f90562c736f/overview
Verdict:
Suspicious
Labled as:
VBS/Agent.CJZ2
Link:
https://www.hybrid-analysis.com/sample/4bc790aaa3fa4b31ab5b2aaad96d0a838c5ae5b89d14355d2d4af6c1589ca36d
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-13T18:43:00Z UTC
Last seen:
2026-09-14T04:03:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/4bc790aaa3fa4b31ab5b2aaad96d0a838c5ae5b89d14355d2d4af6c1589ca36d/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/1972548
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: WScript or CScript Dropper
Suspicious execution chain 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: 1972548 Sample: INV&PL.vbs Startdate: 14/09/2026 Architecture: WINDOWS Score: 100 27 drive.usercontent.google.com 2->27 29 drive.google.com 2->29 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected GuLoader 2->47 49 2 other signatures 2->49 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 51 VBScript performs obfuscated calls to suspicious functions 9->51 53 Wscript starts Powershell (via cmd or directly) 9->53 55 Obfuscated command line found 9->55 57 3 other signatures 9->57 12 cmd.exe 1 9->12         started        process6 signatures7 59 Wscript starts Powershell (via cmd or directly) 12->59 15 powershell.exe 1 16 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process8 dnsIp9 31 drive.usercontent.google.com 142.251.215.225, 443, 49738 GOOGLE-GoogleLLCUS United States 15->31 33 drive.google.com 142.251.34.78, 443, 49737 GOOGLE-GoogleLLCUS United States 15->33 35 Writes to foreign memory regions 15->35 37 Found suspicious powershell code related to unpacking or dynamic code loading 15->37 39 Hides threads from debuggers 15->39 41 Switches to a custom stack to bypass stack traces 15->41 23 backgroundTaskHost.exe 15->23         started        25 backgroundTaskHost.exe 15->25         started        signatures10 process11
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4bc790aaa3fa4b31ab5b2aaad96d0a838c5ae5b89d14355d2d4af6c1589ca36d
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.38 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/b936bf638feaf1c4f42166cc2c981b07
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bc790aaa3fa4b31ab5b2aaad96d0a838c5ae5b89d14355d2d4af6c1589ca36d/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpdzbkvd7jftdk23fkvns3ikqogfvznytukdkxjnjl3mcwe4unwq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution rat
Link:
https://tria.ge/reports/260914-h45maawcne/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Family: Remcos
Malware Config
C2 Extraction:
102.220.161.59:2404
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/4bc790aaa3fa4b31ab5b2aaad96d0a838c5ae5b89d14355d2d4af6c1589ca36d

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:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
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.

Cape
Cape
https://www.capesandbox.com/analysis/85329/

Comments