MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 919d18568ebd2cdcde7aeb972d0ba2f8fc0596d5fc7b00d35071f131a8e5011d. 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

SHA256 hash: 919d18568ebd2cdcde7aeb972d0ba2f8fc0596d5fc7b00d35071f131a8e5011d
SHA3-384 hash: 53895c72af1dd0afcfc919854cc3a4519e3ed55f01309cb74fcfc449495837e85699610cb1e7181120801d505f88c0d6
SHA1 hash: d270b6486686c884be2bdc0d6348f6b233b52af4
MD5 hash: 462c7b6569058339d4e4466831ba12f7
humanhash: maine-one-video-pizza
File name:SWIFT PDF.js
Download: download sample
Signature RemcosRAT
File size:14'221'968 bytes
First seen:2026-06-11 01:00:15 UTC
Last seen:2026-06-11 14:47:30 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:GRs/FpSADChA4YS6RGvhbswWgzcC/3w7B1+LYk8w6qjMYmYELD7F5ElCYW6ydEg/:GPWg1xpQVTYg
Threatray 73 similar samples on MalwareBazaar
TLSH T18EE6E5A1EC630136DF763F862DFB13B9055B5E096DE671AA824592CE05B36F06C10EE3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika autohotkey
Reporter threatcat_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
172
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Tags:
autorun cobalt
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-06-10T21:24:00Z UTC
Last seen:
2026-06-10T21:55:00Z UTC
Hits:
~100
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Attempt to bypass Chrome Application-Bound Encryption
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 inject threads in other processes
Contains functionality to steal Internet Explorer form passwords
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Detected Remcos RAT
Drops script or batch files to the startup folder
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Environment Variable Has Been Registered
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1926312 Sample: SWIFT PDF.js Startdate: 11/06/2026 Architecture: WINDOWS Score: 100 50 resc.cloudinary.com.cdn.cloudflare.net 2->50 52 res.cloudinary.com 2->52 54 11 other IPs or domains 2->54 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 14 other signatures 2->68 9 powershell.exe 14 15 2->9         started        13 wscript.exe 13 3 2->13         started        16 wscript.exe 1 2->16         started        signatures3 process4 dnsIp5 60 resc.cloudinary.com.cdn.cloudflare.net 104.16.79.6, 443, 49699, 49704 CLOUDFLARENET-CloudflareIncUS Canada 9->60 84 Writes to foreign memory regions 9->84 86 Modifies the context of a thread in another process (thread injection) 9->86 88 Injects a PE file into a foreign processes 9->88 90 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->90 18 MSBuild.exe 5 10 9->18         started        23 conhost.exe 9->23         started        48 C:\Users\user\AppData\...\SWIFT PDF.js, Unicode 13->48 dropped 92 Suspicious powershell command line found 13->92 94 Wscript starts Powershell (via cmd or directly) 13->94 96 Drops script or batch files to the startup folder 13->96 98 4 other signatures 13->98 25 powershell.exe 16->25         started        file6 signatures7 process8 dnsIp9 56 64.89.160.198, 49700, 49701, 49702 GHOSTYNETWORKSUS Luxembourg 18->56 58 127.0.0.1 unknown unknown 18->58 40 C:\Users\user\AppData\...\cookies.sqlite-shm, data 18->40 dropped 42 C:\Users\user\AppData\...\Login Data.tmp, SQLite 18->42 dropped 44 C:\Users\user\AppData\...\Login Data.tmp, SQLite 18->44 dropped 46 2 other files (1 malicious) 18->46 dropped 70 Contains functionality to bypass UAC (CMSTPLUA) 18->70 72 Detected Remcos RAT 18->72 74 Attempt to bypass Chrome Application-Bound Encryption 18->74 82 8 other signatures 18->82 27 msedge.exe 7 18->27         started        29 chrome.exe 1 18->29         started        76 Writes to foreign memory regions 25->76 78 Modifies the context of a thread in another process (thread injection) 25->78 80 Injects a PE file into a foreign processes 25->80 31 MSBuild.exe 1 25->31         started        34 conhost.exe 25->34         started        file10 signatures11 process12 signatures13 36 msedge.exe 27->36         started        38 conhost.exe 29->38         started        100 Tries to harvest and steal browser information (history, passwords, etc) 31->100 process14
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remote collection credential_access discovery execution rat stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
Browser Information Discovery
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Time Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
64.89.160.198:8080
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.

Malspam

RemcosRAT

Java Script (JS) js 919d18568ebd2cdcde7aeb972d0ba2f8fc0596d5fc7b00d35071f131a8e5011d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments