MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8aae9a506fea0ae59c1bab1d46ad400597a741c5c009a20e13ac4e0c55fac0e. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8aae9a506fea0ae59c1bab1d46ad400597a741c5c009a20e13ac4e0c55fac0e
SHA3-384 hash: dc906bdda34bdb0bed83f01d8f9be0d8bb79cc014080fd1efef1f61e40939ab6b30e7aacec3602edf30033a1fad40411
SHA1 hash: aa5b04922de2cfcb2a58ed274db0cda68422e759
MD5 hash: 648fd3c605d0971d782aa93e661fb747
humanhash: oscar-wolfram-pasta-sink
File name:andre.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:3'444'858 bytes
First seen:2025-09-06 06:56:13 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 192:eUdtGAQ8g9jhyjygbVHzRD3syMDkRpBJyFzmG4lP9GAPl/9Z6Vm6bOAmmmmmmmmK:htatqVTtBSy6mmmmmmmmmmmmmmi
Threatray 1'471 similar samples on MalwareBazaar
TLSH T1E4F580D96BF1AA40F9F3BF89A03722126D7F3D6B0D74944E0528415EE922E54EC32763
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 :
52
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/25962/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bbdb8feb163e0ec184ea82
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 evasive obfuscated powershell
Link:
https://www.filescan.io/uploads/68bbdc3614a3b51cba509fbd/reports/430d7b90-1fab-444f-b678-13b9eafe9754/overview
Verdict:
Malicious
Labled as:
GT:VB.Honolulu.1
Link:
https://www.hybrid-analysis.com/sample/b8aae9a506fea0ae59c1bab1d46ad400597a741c5c009a20e13ac4e0c55fac0e
Verdict:
Malicious
File Type:
text
First seen:
2025-09-06T03:12:00Z UTC
Last seen:
2025-09-06T03:12:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b8aae9a506fea0ae59c1bab1d46ad400597a741c5c009a20e13ac4e0c55fac0e/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/1772267
Signature
.NET source code contains potential unpacker
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 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
Potential dropper URLs found in powershell memory
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Command Line Obfuscation
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772267 Sample: andre.vbs Startdate: 06/09/2025 Architecture: WINDOWS Score: 100 39 rem0925.duckdns.org 2->39 41 textbin.net 2->41 43 5 other IPs or domains 2->43 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 63 17 other signatures 2->63 10 wscript.exe 1 2->10         started        signatures3 59 Uses dynamic DNS services 39->59 61 Connects to a pastebin service (likely for C&C) 41->61 process4 signatures5 71 Suspicious powershell command line found 10->71 73 Wscript starts Powershell (via cmd or directly) 10->73 75 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->75 77 Suspicious execution chain found 10->77 13 powershell.exe 7 10->13         started        process6 signatures7 87 Suspicious powershell command line found 13->87 89 Encrypted powershell cmdline option found 13->89 91 Bypasses PowerShell execution policy 13->91 93 Found suspicious powershell code related to unpacking or dynamic code loading 13->93 16 powershell.exe 14 18 13->16         started        20 conhost.exe 13->20         started        process8 dnsIp9 35 dpaste.org 104.20.36.119, 443, 49688, 49690 CLOUDFLARENETUS United States 16->35 37 textbin.net 50.30.32.55, 443, 49687 AS-30083-GO-DADDY-COM-LLCUS United States 16->37 31 C:\Users\user\AppData\Local\Temp\dYWvm.ps1, Unicode 16->31 dropped 22 powershell.exe 11 16->22         started        file10 process11 dnsIp12 45 gitlab.com 172.65.251.78, 443, 49691 CLOUDFLARENETUS United States 22->45 47 pastebin.com 172.66.171.73, 443, 49689 CLOUDFLARENETUS United States 22->47 65 Writes to foreign memory regions 22->65 67 Potential dropper URLs found in powershell memory 22->67 69 Injects a PE file into a foreign processes 22->69 26 MSBuild.exe 4 8 22->26         started        signatures13 process14 dnsIp15 49 rem0925.duckdns.org 186.169.40.245, 3585, 49692 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 26->49 51 geoplugin.net 178.237.33.50, 49695, 80 ATOM86-ASATOM86NL Netherlands 26->51 33 C:\ProgramData\remcos\logs.dat, data 26->33 dropped 79 Contains functionality to bypass UAC (CMSTPLUA) 26->79 81 Detected Remcos RAT 26->81 83 Contains functionalty to change the wallpaper 26->83 85 4 other signatures 26->85 file16 signatures17
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b8aae9a506fea0ae59c1bab1d46ad400597a741c5c009a20e13ac4e0c55fac0e
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8aae9a506fea0ae59c1bab1d46ad400597a741c5c009a20e13ac4e0c55fac0e/
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-09-06 04:58:51 UTC
File Type:
Text (VBS)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xcvotjig72qk4wobxky5i2wuabmxu5a4lqajuihbhlcobrk7vqha._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
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RemcosRAT
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8ed39975fb97ec9dc4e4e39d96e1af7d500f5a7923b6a4cdcd446aa731e9c834
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d50825f42162126cafad375cfe5995b2a0b632a5238ed9b66d929613e2ec7020
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e1a0ab5cadb0af718230bb8f907c649a313f1ff7bcbed6745c678811ce8a4465
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RemcosRAT
error
RemcosRAT
+ 1'461 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos discovery execution rat
Link:
https://tria.ge/reports/250906-hsr7taal7t/
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
Checks computer location settings
Badlisted process makes network request
Remcos
Remcos family
Malware Config
C2 Extraction:
rem0925.duckdns.org:3585
Dropper Extraction:
https://textbin.net/raw/xsi2eulwpw
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/b8aae9a506fea0ae59c1bab1d46ad400597a741c5c009a20e13ac4e0c55fac0e

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
Create hunting rule
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 b8aae9a506fea0ae59c1bab1d46ad400597a741c5c009a20e13ac4e0c55fac0e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618148/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3618151/
Cape
Cape
https://www.capesandbox.com/analysis/25962/

Comments