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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d83dc8b81b82789a9dbac1afce8d6feeb3f90c3c82e10af5a65113efd5919b1. 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: 4d83dc8b81b82789a9dbac1afce8d6feeb3f90c3c82e10af5a65113efd5919b1
SHA3-384 hash: 08abd064d297487d6591b364151e82ea6a3ff342d4443749ba0c6706b7944f1a5a13c8a728b3f065fb720502c6b5bb25
SHA1 hash: 07430a2892920c49fdb4ee6bda7113da9a80506c
MD5 hash: 18fc2126e04912adc890a1e3b2a8128e
humanhash: autumn-wisconsin-thirteen-burger
File name:FEDEX-MR-26-20329 TS-ELE_M10-M26_GENERAL.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'675'045 bytes
First seen:2026-05-19 10:45:33 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/csv
ssdeep 768:1343434343434343434343434343434343434343434343434343434343434346:FR
TLSH T1CCC5A7327EF8E13646D9A12FB2DC6E0CD4618F8375B2AA99F1E188DDF041B34952B744
Magika txt
Reporter lowmal3
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/66426/
Detection(s):
SecuriteInfo.com.VBS.Starter.541.12716.420.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0c3f814159ce11f6014ea2
Tags:
n/a
Verdict:
Suspicious
Labled as:
VBS/Agent.CRE
Link:
https://www.hybrid-analysis.com/sample/4d83dc8b81b82789a9dbac1afce8d6feeb3f90c3c82e10af5a65113efd5919b1
Verdict:
Malicious
File Type:
text.utf8
First seen:
2026-05-19T07:28:00Z UTC
Last seen:
2026-05-21T03:51:00Z UTC
Hits:
~100
Detections:
Trojan.VBS.SAgent.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic
Link:
https://opentip.kaspersky.com/4d83dc8b81b82789a9dbac1afce8d6feeb3f90c3c82e10af5a65113efd5919b1/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1915560
Signature
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Internet Explorer form passwords
Contains functionalty to change the wallpaper
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1915560 Sample: FEDEX-MR-26-20329 TS-ELE_M1... Startdate: 19/05/2026 Architecture: WINDOWS Score: 100 28 klbhjwn.click 2->28 30 dawn-bush-ddd1.yasminanthonyy.workers.dev 2->30 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Yara detected UAC Bypass using CMSTP 2->50 52 7 other signatures 2->52 8 wscript.exe 1 2->8         started        signatures3 process4 signatures5 54 Suspicious powershell command line found 8->54 56 Wscript starts Powershell (via cmd or directly) 8->56 58 Bypasses PowerShell execution policy 8->58 60 4 other signatures 8->60 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 32 klbhjwn.click 103.101.161.172, 443, 49694 NHANHOA-AS-VNNhanHoaSoftwarecompanyVN Viet Nam 11->32 34 dawn-bush-ddd1.yasminanthonyy.workers.dev 104.21.75.88, 443, 49693 CLOUDFLARENETUS United States 11->34 62 Writes to foreign memory regions 11->62 64 Injects a PE file into a foreign processes 11->64 66 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->66 15 CasPol.exe 4 3 11->15         started        20 conhost.exe 11->20         started        signatures8 process9 dnsIp10 36 178.211.155.150, 49695, 49698, 56950 TIS-DIALOG-ASRU Ukraine 15->36 22 C:\Users\user\AppData\...\Login Data.tmp, SQLite 15->22 dropped 24 C:\Users\user\AppData\...\Login Data.tmp, SQLite 15->24 dropped 26 C:\Users\user\...\Login Data For Account.tmp, SQLite 15->26 dropped 38 Contains functionality to bypass UAC (CMSTPLUA) 15->38 40 Detected Remcos RAT 15->40 42 Tries to steal Mail credentials (via file registry) 15->42 44 5 other signatures 15->44 file11 signatures12
Score:
95%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4d83dc8b81b82789a9dbac1afce8d6feeb3f90c3c82e10af5a65113efd5919b1
Verdict:
Malware
YARA:
1 match(es)
Tags:
VBScript WScript.Shell
Link:
https://app.malva.re/file/18fc2126e04912adc890a1e3b2a8128e
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4d83dc8b81b82789a9dbac1afce8d6feeb3f90c3c82e10af5a65113efd5919b1/
Verdict:
Malicious
Threat:
Trojan.Script.SAgent
Link:
https://tip.neiki.dev/file/4d83dc8b81b82789a9dbac1afce8d6feeb3f90c3c82e10af5a65113efd5919b1
Threat name:
Script-WScript.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-05-19 10:46:50 UTC
File Type:
Binary
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwb5zc4bxatytko3vqnpz2gw73vt7egdzaxbbl22muit57kzdgyq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:beast$ collection execution rat
Link:
https://tria.ge/reports/260519-mtxadaat41/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
178.211.155.150:56950
178.211.155.150:51744
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/4d83dc8b81b82789a9dbac1afce8d6feeb3f90c3c82e10af5a65113efd5919b1

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

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 4d83dc8b81b82789a9dbac1afce8d6feeb3f90c3c82e10af5a65113efd5919b1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/66426/

Comments