MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cd42e6eb75c0bb98e9846b9faf9bdf66856658bae7209106ed8041d54f6cc2e. 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: 12


Intelligence 12 IOCs YARA 22 File information Comments
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SHA256 hash: 6cd42e6eb75c0bb98e9846b9faf9bdf66856658bae7209106ed8041d54f6cc2e
SHA3-384 hash: d3538e3879b33008d179a9c335ecccac2427681bf7c1444e8a9cdb66c966b58e9a889d3b4e34696874e848ca65038b0e
SHA1 hash: 20d0af818b46839cf4d846c09a9992607de12eb4
MD5 hash: 1e2c67bf2df60d0da4308925fac7d5e4
humanhash: october-october-beryllium-violet
File name:873238334074_FedEx.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:14'951'732 bytes
First seen:2026-07-14 10:11:59 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:zj7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7j7b:n
TLSH T16CE6050D92DBA3A3CF10963CB5F3189BAB1DDE0B841F5DAE8D49EC1C5B6940CF098569
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter abuse_ch
Tags:js RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a560be9b3055706bb5532a3
Tags:
autorun xtreme shell sage
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade repaired
Link:
https://www.filescan.io/uploads/6a560ba140e5adcf96dde19c/reports/70edab64-7ba0-4994-87cc-deacb852a4c4/overview
Verdict:
Malicious
Labled as:
GT:JS.Agent.1013
Link:
https://www.hybrid-analysis.com/sample/6cd42e6eb75c0bb98e9846b9faf9bdf66856658bae7209106ed8041d54f6cc2e
Verdict:
Malicious
File Type:
js
First seen:
2026-07-14T02:53:00Z UTC
Last seen:
2026-07-16T08:06:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/6cd42e6eb75c0bb98e9846b9faf9bdf66856658bae7209106ed8041d54f6cc2e/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/1942099
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 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)
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: 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: 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1942099 Sample: 873238334074_FedEx.js Startdate: 14/07/2026 Architecture: WINDOWS Score: 100 55 res.cloudinary.com 2->55 57 pki-goog.l.google.com 2->57 59 5 other IPs or domains 2->59 73 Suricata IDS alerts for network traffic 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 13 other signatures 2->79 10 wscript.exe 1 2->10         started        12 wscript.exe 13 3 2->12         started        signatures3 process4 file5 16 powershell.exe 14 15 10->16         started        20 powershell.exe 10->20         started        49 C:\...\873238334074_FedEx.js:Zone.Identifier, ASCII 12->49 dropped 51 C:\Users\user\...\873238334074_FedEx.js, Unicode 12->51 dropped 91 Suspicious powershell command line found 12->91 93 Wscript starts Powershell (via cmd or directly) 12->93 95 Drops script or batch files to the startup folder 12->95 97 5 other signatures 12->97 signatures6 process7 dnsIp8 53 cloudinary.map.fastly.net 151.101.193.137, 443, 49704, 49708 FASTLY-FastlyIncUS Canada 16->53 65 Writes to foreign memory regions 16->65 67 Modifies the context of a thread in another process (thread injection) 16->67 69 Injects a PE file into a foreign processes 16->69 71 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 16->71 22 MSBuild.exe 5 10 16->22         started        27 conhost.exe 16->27         started        29 MSBuild.exe 1 20->29         started        31 conhost.exe 20->31         started        signatures9 process10 dnsIp11 61 46.151.182.209, 49705, 49706, 49707 GHOSTYNETWORKSUS France 22->61 63 127.0.0.1 unknown unknown 22->63 41 C:\Users\user\AppData\...\cookies.sqlite-shm, data 22->41 dropped 43 C:\Users\user\AppData\...\Login Data.tmp, SQLite 22->43 dropped 45 C:\Users\user\AppData\...\Login Data.tmp, SQLite 22->45 dropped 47 2 other files (1 malicious) 22->47 dropped 81 Contains functionality to bypass UAC (CMSTPLUA) 22->81 83 Detected Remcos RAT 22->83 85 Attempt to bypass Chrome Application-Bound Encryption 22->85 89 9 other signatures 22->89 33 msedge.exe 7 22->33         started        35 chrome.exe 1 22->35         started        87 Tries to harvest and steal browser information (history, passwords, etc) 29->87 file12 signatures13 process14 process15 37 msedge.exe 33->37         started        39 conhost.exe 35->39         started       
Verdict:
Malware
YARA:
1 match(es)
Tags:
DeObfuscated PowerShell T1027 T1059.001
Link:
https://app.malva.re/file/1e2c67bf2df60d0da4308925fac7d5e4
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6cd42e6eb75c0bb98e9846b9faf9bdf66856658bae7209106ed8041d54f6cc2e/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-07-14 09:02:35 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 24 (20.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ntkc43vxlqf3tduyi247v6n56zufmzmlvzzasedo3acb2vhwzqxa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remote execution rat
Link:
https://tria.ge/reports/260714-l8ztdaax4p/
Behaviour
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
46.151.182.209:8080
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/6cd42e6eb75c0bb98e9846b9faf9bdf66856658bae7209106ed8041d54f6cc2e

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Trojan_Remcos_921ef449
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

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