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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8497e9f2a1b3f2bb2f7627b330660aa242f35a1fbc937aff7c1fb5e8a1d3471. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: d8497e9f2a1b3f2bb2f7627b330660aa242f35a1fbc937aff7c1fb5e8a1d3471
SHA3-384 hash: dfcb130ae1a82d93e2467c780b32a011a529cd1f9bf284ae9d328965bebadf58fb13927fd2498936c6248eea080c160d
SHA1 hash: dcd7192016c252273c05d2ea4cb88ccea39cab1b
MD5 hash: 9684662edc5eb2926341495704945409
humanhash: golf-oklahoma-double-failed
File name:383730841513_FedEx.js
Download: download sample
Signature RemcosRAT
File size:6'132'666 bytes
First seen:2026-09-22 15:22:54 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:sI59WDBg+YN6sNyejY8aogRzLPgydWQT4cbDFUec5sIUWsVl6XDUsSAjFh8QLxEM:C4cbDk
TLSH T193568C19B5631220A89D741807E964E8260B785C3FF8FE6F3EFC561ABFA156C035B136
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:FedEx js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
174
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-09-21T05:04:00Z UTC
Last seen:
2026-09-24T05:08:00Z UTC
Hits:
~1000
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
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 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 or copies cmd.exe with a different name (likely to bypass HIPS)
Drops script or batch files to the startup folder
Found evasive API chain checking for user administrative privileges
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
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 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 MSIL Injector
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1976248 Sample: 383730841513_FedEx.js Startdate: 22/09/2026 Architecture: WINDOWS Score: 100 52 resc.cloudinary.com.cdn.cloudflare.net 2->52 54 res.cloudinary.com 2->54 56 2 other IPs or domains 2->56 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 15 other signatures 2->70 9 powershell.exe 14 7 2->9         started        13 wscript.exe 6 3 2->13         started        16 wscript.exe 1 2->16         started        signatures3 process4 dnsIp5 62 resc.cloudinary.com.cdn.cloudflare.net 104.16.78.6, 443, 49753, 49758 CLOUDFLARENET-CloudflareIncUS Canada 9->62 86 Writes to foreign memory regions 9->86 88 Modifies the context of a thread in another process (thread injection) 9->88 90 Injects a PE file into a foreign processes 9->90 18 cmd.exe 5 10 9->18         started        23 conhost.exe 9->23         started        48 C:\...\383730841513_FedEx.js:Zone.Identifier, ASCII 13->48 dropped 50 C:\Users\user\...\383730841513_FedEx.js, Unicode 13->50 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 58 196.251.121.57, 49755, 49756, 49757 Hero-TelecomsZA Germany 18->58 60 127.0.0.1 unknown unknown 18->60 40 C:\Users\user\AppData\Local\Temp\THFFC0.tmp, PE32+ 18->40 dropped 42 C:\Users\user\AppData\...\cookies.sqlite-shm, data 18->42 dropped 44 C:\Users\user\AppData\...\Login Data.tmp, SQLite 18->44 dropped 46 2 other malicious files 18->46 dropped 72 Contains functionality to bypass UAC (CMSTPLUA) 18->72 74 Detected Remcos RAT 18->74 76 Attempt to bypass Chrome Application-Bound Encryption 18->76 84 11 other signatures 18->84 27 msedge.exe 7 18->27         started        29 chrome.exe 1 18->29         started        78 Writes to foreign memory regions 25->78 80 Modifies the context of a thread in another process (thread injection) 25->80 82 Injects a PE file into a foreign processes 25->82 31 cmd.exe 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 Detected Remcos RAT 31->100 process14
Gathering data
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-09-21 09:03:43 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 24 (41.67%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remote collection credential_access discovery execution persistence privilege_escalation rat spyware 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
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Time Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Creates a file in the Startup directory
Reads user/profile data of web browsers
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:
196.251.121.57:8080
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments