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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75a7143599bc7154f6290dac048a9a9f75065b435080e44a3cdee74b87933439. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75a7143599bc7154f6290dac048a9a9f75065b435080e44a3cdee74b87933439
SHA3-384 hash: 691fc413cbaf1c6f37b32e57319d18ec5a5d3dbe7f349dc5020605d1d6cfdff535b13285dd996f4b7a4fd219061db6fa
SHA1 hash: 0588aabf43fbc14366ae6e820c29c90849d1c556
MD5 hash: 840429f2cf484ad87f7a90912d885e05
humanhash: whiskey-william-beryllium-grey
File name:Draft Documents for ref 6017257934.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'835'958 bytes
First seen:2026-06-02 10:40:02 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/csv
ssdeep 3072:vqPX+U6XaSZKLaw9JPYQk3dtCNHZWyz3s3wGfWvUiQAt9Cm1jZ4eJeYPMqVDTlCv:V
TLSH T14E858D266B24B3AC375BE84ECCE6BD147A204D052CE3D39B1167EAC76C74A15ACD6F40
Magika txt
Reporter lowmal3
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68780/
Detection(s):
SecuriteInfo.com.VBS.Starter.541.24489.2569.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a1eb331f8676ad4d3604879
Tags:
n/a
Verdict:
Malicious
Labled as:
PowerShell/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/75a7143599bc7154f6290dac048a9a9f75065b435080e44a3cdee74b87933439
Verdict:
Malicious
File Type:
text.utf8
First seen:
2026-06-02T06:13:00Z UTC
Last seen:
2026-06-04T04:21:00Z UTC
Hits:
~100
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic
Link:
https://opentip.kaspersky.com/75a7143599bc7154f6290dac048a9a9f75065b435080e44a3cdee74b87933439/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/1921562
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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)
Multi AV Scanner detection for submitted file
Obfuscated command line found
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)
Unusual module load detection (module proxying)
Uses dynamic DNS services
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: 1921562 Sample: Draft Documents for ref 601... Startdate: 02/06/2026 Architecture: WINDOWS Score: 100 28 1sun.duckdns.org 2->28 30 small-morning-8be0.fsocietyandtools.workers.dev 2->30 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 52 9 other signatures 2->52 8 wscript.exe 1 2->8         started        signatures3 50 Uses dynamic DNS services 28->50 process4 signatures5 54 Suspicious powershell command line found 8->54 56 Wscript starts Powershell (via cmd or directly) 8->56 58 Obfuscated command line found 8->58 60 5 other signatures 8->60 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 32 small-morning-8be0.fsocietyandtools.workers.dev 172.67.208.40, 443, 49693 CLOUDFLARENET-CloudflareIncUS Canada 11->32 62 Writes to foreign memory regions 11->62 64 Injects a PE file into a foreign processes 11->64 15 CasPol.exe 4 3 11->15         started        20 conhost.exe 11->20         started        signatures8 process9 dnsIp10 34 1sun.duckdns.org 185.161.208.152, 49695, 49700, 62885 DELTAHOST-ASUA Netherlands 15->34 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 36 Contains functionality to bypass UAC (CMSTPLUA) 15->36 38 Detected Remcos RAT 15->38 40 Contains functionalty to change the wallpaper 15->40 42 4 other signatures 15->42 file11 signatures12
Score:
81%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/75a7143599bc7154f6290dac048a9a9f75065b435080e44a3cdee74b87933439
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/75a7143599bc7154f6290dac048a9a9f75065b435080e44a3cdee74b87933439/
Verdict:
Malicious
Threat:
Trojan.Script.SAgent
Link:
https://tip.neiki.dev/file/75a7143599bc7154f6290dac048a9a9f75065b435080e44a3cdee74b87933439
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-06-02 10:40:47 UTC
File Type:
Binary
AV detection:
8 of 23 (34.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=owtrinmzxryvj5rjbwwajcu2t52qmw2dkcaoisr433tuxb4tgq4q._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:photo%$ discovery execution rat
Link:
https://tria.ge/reports/260602-mqvblsct7j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
1sun.duckdns.org:62885
1sun-bk.duckdns.org:55793
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/75a7143599bc7154f6290dac048a9a9f75065b435080e44a3cdee74b87933439

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 75a7143599bc7154f6290dac048a9a9f75065b435080e44a3cdee74b87933439

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/68780/

Comments