🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c30320dc2e8dbe9f076ab6542c66d50217beb2c05b29f520e8e2cb91036a3e17. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c30320dc2e8dbe9f076ab6542c66d50217beb2c05b29f520e8e2cb91036a3e17
SHA3-384 hash: 9cf9a020b905582160a8eb15d0d4a8498f87ecd354e4a919f4ae4bdb60fc4fe3c557de04dd8facb9d018f0fd34d8ef19
SHA1 hash: 69b30ded779e6abeddb93809787c73ebc7b951a7
MD5 hash: bdc5c72b5b5758c1453c552190edab25
humanhash: sad-batman-london-bacon
File name:383730841513_FedEx.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:5'472'322 bytes
First seen:2026-09-30 08:28:04 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:zhJLyQqbx2R1ODCtFQ42ji/JR2R/cuh8y1DkRssVvYV4x0T9qQnqIegpTfvqYt5D:z8+0DMw9RPp
TLSH T1D1464D030B805F96477EF9347A132DC6066E949DF322581CD0FBEE4BA351963D9F88A9
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 :
176
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade repaired
Link:
https://www.filescan.io/uploads/6abcc830555bdf8636f50a60/reports/b0b249a9-cc01-4e18-84ca-5a77f98c01e3/overview
Verdict:
Malicious
Labled as:
GT:JS.Loader.31
Link:
https://www.hybrid-analysis.com/sample/c30320dc2e8dbe9f076ab6542c66d50217beb2c05b29f520e8e2cb91036a3e17
Verdict:
Malicious
File Type:
js
First seen:
2026-09-30T02:58:00Z UTC
Last seen:
2026-10-01T06:40:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/c30320dc2e8dbe9f076ab6542c66d50217beb2c05b29f520e8e2cb91036a3e17/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1979873
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
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
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Powershell connects to network
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Environment Variable Has Been Registered
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
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 Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1979873 Sample: 383730841513_FedEx.js Startdate: 30/09/2026 Architecture: WINDOWS Score: 100 50 ficus.in 2->50 52 pki-goog.l.google.com 2->52 54 3 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 16 other signatures 2->68 9 powershell.exe 14 7 2->9         started        13 wscript.exe 7 2 2->13         started        16 wscript.exe 2->16         started        signatures3 process4 dnsIp5 60 ficus.in 162.251.80.25, 443, 49740, 49749 UNIFIEDLAYER-AS-1-UnifiedLayerUS United States 9->60 86 Writes to foreign memory regions 9->86 88 Allocates memory in foreign processes 9->88 90 Modifies the context of a thread in another process (thread injection) 9->90 92 Injects a PE file into a foreign processes 9->92 18 MSBuild.exe 5 10 9->18         started        23 conhost.exe 9->23         started        48 C:\Users\Public\Downloads\nUmyQgjwuH.js, Unicode 13->48 dropped 94 Suspicious powershell command line found 13->94 96 Wscript starts Powershell (via cmd or directly) 13->96 98 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->98 100 3 other signatures 13->100 25 powershell.exe 16->25         started        file6 signatures7 process8 dnsIp9 56 196.251.121.57, 49746, 49747, 49748 Hero-TelecomsZA Germany 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 Allocates memory in foreign processes 25->78 80 Modifies the context of a thread in another process (thread injection) 25->80 84 2 other signatures 25->84 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        102 Tries to harvest and steal browser information (history, passwords, etc) 31->102 process14
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c30320dc2e8dbe9f076ab6542c66d50217beb2c05b29f520e8e2cb91036a3e17/
Threat name:
Script-JS.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-30 08:28:42 UTC
File Type:
Binary
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ymbsbxborw7j6b3kwzkcyzwvail35mwalmu7kihi4lfzca3khylq._file
Verdict:
malicious
Label(s):
Remcos
Create hunting rule
Link:
https://reports.threatray.com/3d5eac86-608d-4101-bff8-175559a57e2b
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/260930-kc6rdayv7q/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
Reads the TCP/IP host and domain name from the registry
Command and Scripting Interpreter: PowerShell
Enumerates connected drives
Badlisted process makes network request
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
Link:
https://yomi.yoroi.company/submissions/c30320dc2e8dbe9f076ab6542c66d50217beb2c05b29f520e8e2cb91036a3e17

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:RSharedStrings
Create hunting rule
Author:Katie Kleemola
Description:identifiers for remote and gmremote

File information

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

Comments