MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 029a67953833635a2dd1ce8b836d312737ad032b4068e5c7417192544f336c60. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: 029a67953833635a2dd1ce8b836d312737ad032b4068e5c7417192544f336c60
SHA3-384 hash: b2834f7c3f1a4b6aa389c6d40f60a28531d87986f48d1900c66cf41c4ce5d9380d87e481a085086dc79c6196e94bca13
SHA1 hash: 174a32f8c27ecba7b95b0124c23f2e7a600b7837
MD5 hash: 54d5d0026e4deba8d4a61bc556fd7804
humanhash: hamper-failed-red-massachusetts
File name:31agosto.vbs
Download: download sample
Signature RemcosRAT
File size:5'978'790 bytes
First seen:2025-09-24 16:27:35 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:7MEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEMEv:aVEgFjE5VwV3zoLoUmmmmmmmmmmmmmmL
Threatray 1'479 similar samples on MalwareBazaar
TLSH T19256814123FC6324B6F7AF06BABA161A1F7F3D535E3A804C26144641A6B6CE5D9703B3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated powershell
Verdict:
Malicious
File Type:
text
First seen:
2025-09-23T16:24:00Z UTC
Last seen:
2025-09-23T16:24:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Agent.sb Trojan.JS.SAgent.sb HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.Generic
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to determine the online IP of the system
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Detected Remcos RAT
Encrypted powershell cmdline option found
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1783443 Sample: 31agosto.vbs Startdate: 24/09/2025 Architecture: WINDOWS Score: 100 43 remdefrem.duckdns.org 2->43 45 pastebin.com 2->45 47 11 other IPs or domains 2->47 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 79 17 other signatures 2->79 10 wscript.exe 1 2->10         started        13 svchost.exe 1 1 2->13         started        signatures3 75 Uses dynamic DNS services 43->75 77 Connects to a pastebin service (likely for C&C) 45->77 process4 dnsIp5 85 Suspicious powershell command line found 10->85 87 Wscript starts Powershell (via cmd or directly) 10->87 89 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->89 91 Suspicious execution chain found 10->91 16 powershell.exe 7 10->16         started        53 127.0.0.1 unknown unknown 13->53 signatures6 process7 signatures8 61 Suspicious powershell command line found 16->61 63 Encrypted powershell cmdline option found 16->63 65 Bypasses PowerShell execution policy 16->65 67 Found suspicious powershell code related to unpacking or dynamic code loading 16->67 19 powershell.exe 14 18 16->19         started        23 conhost.exe 16->23         started        process9 dnsIp10 49 pastebin.com 104.20.29.150, 443, 49692 CLOUDFLARENETUS United States 19->49 51 dpaste.org 104.20.36.119, 443, 49693, 49694 CLOUDFLARENETUS United States 19->51 41 C:\Users\user\AppData\Local\Temp\nAvER.ps1, Unicode 19->41 dropped 25 powershell.exe 11 19->25         started        file11 process12 signatures13 81 Writes to foreign memory regions 25->81 83 Injects a PE file into a foreign processes 25->83 28 MSBuild.exe 25->28         started        31 MSBuild.exe 4 15 25->31         started        35 MSBuild.exe 25->35         started        37 MSBuild.exe 25->37         started        process14 dnsIp15 93 Contains functionality to bypass UAC (CMSTPLUA) 28->93 95 Contains functionality to determine the online IP of the system 28->95 97 Contains functionalty to change the wallpaper 28->97 103 3 other signatures 28->103 55 remdefrem.duckdns.org 186.169.60.81, 2024, 49696 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 31->55 57 api.findip.net 104.21.93.189, 443, 49701 CLOUDFLARENETUS United States 31->57 59 api.ipify.org 104.26.13.205, 443, 49697 CLOUDFLARENETUS United States 31->59 39 C:\ProgramData\remcos\logs.dat, data 31->39 dropped 99 Detected Remcos RAT 31->99 101 Installs a global keyboard hook 31->101 file16 signatures17
Verdict:
Malware
YARA:
2 match(es)
Tags:
DeObfuscated Obfuscated PowerShell T1059.005 VBS Execute Sub-Script VBScript WScript.Shell
Threat name:
Script-WScript.Trojan.Honolulu
Status:
Malicious
First seen:
2025-09-24 00:16:29 UTC
File Type:
Text (VBS)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos defense_evasion discovery execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Badlisted process makes network request
Remcos
Remcos family
UAC bypass
Malware Config
C2 Extraction:
@remdefP.duckdns.org:2024
Dropper Extraction:
https://pastebin.com/raw/jgKWLc0S
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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 029a67953833635a2dd1ce8b836d312737ad032b4068e5c7417192544f336c60

(this sample)

Comments