MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd488dd4dfefd3d4a6d840b394450a6c40ad4af5ff8f033f5fc4686f00575d3f. 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 2 File information Comments

SHA256 hash: bd488dd4dfefd3d4a6d840b394450a6c40ad4af5ff8f033f5fc4686f00575d3f
SHA3-384 hash: d086b0b5e49c3c7fac4a43694fa2905a6768e269ff9c147c7d64524f769ab401d8d9c80feb4dcaa9b8220a7b3ff4825e
SHA1 hash: fc032a9a7dce0e397e527a629c7359885e6849ab
MD5 hash: 2c3ec1b0505c51f21366627e815f3799
humanhash: nine-edward-california-oven
File name:PARTICULARS_MV XIN HAI TONG 17.pdf.js
Download: download sample
Signature RemcosRAT
File size:617'306 bytes
First seen:2026-08-27 14:16:22 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:9P7IpKSRrPc+U3SA6dVY16LgzlwQWdbgZ:mpprclQ0TyEZ
TLSH T16AD4332167FE5109F2F3AF54AEF825A58D7EBEA66E3AD05C1150024E0972E80DDB0737
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
147
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aes base64 conhost conhost.exe crypto dropper evasive lolbin masquerade obfuscated persistence powershell repaired wscript
Verdict:
Malicious
File Type:
js
First seen:
2026-08-27T10:04:00Z UTC
Last seen:
2026-08-28T12:42:00Z UTC
Hits:
~100
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject threads in other processes
Contains functionality to steal Internet Explorer form passwords
Detected Remcos RAT
Encrypted powershell cmdline option found
Found malware configuration
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Potential evasive JS / VBS script found (domain check)
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Encoded And Obfuscated Reflection Assembly Load Function Call
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious Parent Double Extension File Execution
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1964828 Sample: PARTICULARS_MV XIN HAI TONG... Startdate: 27/08/2026 Architecture: WINDOWS Score: 100 42 alphapicaficagency.com 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Yara detected UAC Bypass using CMSTP 2->52 54 13 other signatures 2->54 8 wscript.exe 1 7 2->8         started        12 wscript.exe 4 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\24iqmtbnbjl1b, ASCII 8->32 dropped 34 C:\Users\user\AppData\Local\...\24iqmtbnbjl1a, ASCII 8->34 dropped 36 C:\Users\user\AppData\...\PhotoStudio.js, Unicode 8->36 dropped 64 JScript performs obfuscated calls to suspicious functions 8->64 66 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->66 68 Suspicious execution chain found 8->68 70 Potential evasive JS / VBS script found (domain check) 8->70 14 conhost.exe 8->14         started        38 C:\Users\user\AppData\Local\...\sivmtbnbniob, ASCII 12->38 dropped 40 C:\Users\user\AppData\Local\...\sivmtbnbnioa, ASCII 12->40 dropped 72 WScript reads language and country specific registry keys (likely country aware script) 12->72 17 conhost.exe 12->17         started        signatures6 process7 signatures8 74 Suspicious powershell command line found 14->74 76 Encrypted powershell cmdline option found 14->76 19 powershell.exe 18 19 14->19         started        24 powershell.exe 17->24         started        process9 dnsIp10 44 31.40.204.178, 2404, 49757, 49759 WHITELABELUS Turkey 19->44 46 alphapicaficagency.com 169.58.169.5, 443, 49753, 49758 SOFTLAYER-IBMCloudUS Canada 19->46 26 C:\Users\user\AppData\...\Login Data.tmp, SQLite 19->26 dropped 28 C:\Users\user\AppData\...\Login Data.tmp, SQLite 19->28 dropped 30 C:\Users\user\...\Login Data For Account.tmp, SQLite 19->30 dropped 56 Detected Remcos RAT 19->56 58 Tries to steal Mail credentials (via file registry) 19->58 60 Contains functionality to inject threads in other processes 19->60 62 2 other signatures 19->62 file11 signatures12
Verdict:
inconclusive
YARA:
1 match(es)
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-08-27 12:59:19 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 38 (21.05%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection execution persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Remcos
Malware Config
C2 Extraction:
31.40.204.178:2404
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:telebot_framework
Author:vietdx.mb

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments