MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9e435e14f1e8ac34cda9ae3e2fcc6f7338243921a1c6a75ca87ac302d0e9cb0d. 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 File information Comments

SHA256 hash: 9e435e14f1e8ac34cda9ae3e2fcc6f7338243921a1c6a75ca87ac302d0e9cb0d
SHA3-384 hash: e880276927b77022a97f2a94515cdb95b3090b0f405f9610e869aed3a4439ae0d2ccd84933897a4844c17b43d7d2487f
SHA1 hash: 4fead1e61232340536843d04aba39cd935c4f5b6
MD5 hash: e492f14a218d4d8a2a0cce692fb2bb6c
humanhash: black-asparagus-neptune-vermont
File name:PO_2025118_VN.js
Download: download sample
Signature RemcosRAT
File size:6'223'535 bytes
First seen:2025-11-18 06:53:38 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:6C25rCrXUvXdnYgZW5TmIRwWWi+/L8FEDUf55/PvwOwFi74sQHREVbGgj+COEV1k:YE+NCcA1RkAdLCYIkBYLBCYIsHJALoLN
Threatray 1'788 similar samples on MalwareBazaar
TLSH T178563361992C212B82546775CD21AF20DC1BB37F2A2E130A7156ADD8FF74AFE442DF24
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
95
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint obfuscated powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2025-11-18T01:05:00Z UTC
Last seen:
2025-11-20T05:33:00Z UTC
Hits:
~1000
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
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 register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates processes via WMI
Detected Remcos RAT
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
Installs a global keyboard hook
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
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 Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
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 Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1815814 Sample: PO_2025118_VN.js Startdate: 18/11/2025 Architecture: WINDOWS Score: 100 47 ia903209.us.archive.org 2->47 49 candrikatravel.com 2->49 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 16 other signatures 2->61 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 81 Suspicious powershell command line found 10->81 83 Wscript starts Powershell (via cmd or directly) 10->83 85 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->85 87 2 other signatures 10->87 13 powershell.exe 14 15 10->13         started        process6 dnsIp7 51 ia903209.us.archive.org 207.241.234.119, 443, 49689 INTERNET-ARCHIVEUS United States 13->51 53 candrikatravel.com 103.160.37.195, 443, 49691 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 13->53 89 Writes to foreign memory regions 13->89 91 Injects a PE file into a foreign processes 13->91 93 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 13->93 17 cmd.exe 4 11 13->17         started        22 conhost.exe 13->22         started        signatures8 process9 dnsIp10 43 185.208.158.21, 2404, 49692, 49693 SIMPLECARRER2IT Switzerland 17->43 45 127.0.0.1 unknown unknown 17->45 35 C:\Users\user\AppData\Local\Temp\THE43B.tmp, MS-DOS 17->35 dropped 37 C:\Users\user\AppData\Local\Temp\THE360.tmp, MS-DOS 17->37 dropped 39 C:\Users\user\AppData\Local\Temp\THE2C2.tmp, MS-DOS 17->39 dropped 41 2 other malicious files 17->41 dropped 63 Contains functionality to bypass UAC (CMSTPLUA) 17->63 65 Detected Remcos RAT 17->65 67 Attempt to bypass Chrome Application-Bound Encryption 17->67 69 12 other signatures 17->69 24 RmClient.exe 2 17->24         started        27 RmClient.exe 1 17->27         started        29 RmClient.exe 1 17->29         started        31 msedge.exe 7 17->31         started        file11 signatures12 process13 signatures14 71 Tries to steal Mail credentials (via file registry) 24->71 73 Tries to harvest and steal browser information (history, passwords, etc) 24->73 75 Unusual module load detection (module proxying) 24->75 77 Tries to steal Instant Messenger accounts or passwords 27->77 79 Tries to steal Mail credentials (via file / registry access) 27->79 33 msedge.exe 31->33         started        process15
Verdict:
inconclusive
YARA:
1 match(es)
Threat name:
Script-JS.Backdoor.Remcos
Status:
Suspicious
First seen:
2025-11-18 06:54:41 UTC
File Type:
Binary
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery execution rat spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
Detected Nirsoft tools
NirSoft MailPassView
Process spawned unexpected child process
Remcos
Remcos family
Malware Config
C2 Extraction:
185.208.158.21:2404
Dropper Extraction:
https://ia903209.us.archive.org/31/items/msi-pro-with-b-64_20251118/MSI_PRO_with_b64.png
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.

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