MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba358abb563715ca425f9fce0b861227256c857284509a7989191f35e484239b. 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 File information Comments

SHA256 hash: ba358abb563715ca425f9fce0b861227256c857284509a7989191f35e484239b
SHA3-384 hash: 3cc4e6a9a26cda9cd8cbe2edbf9e9bc10b7648ded42e6baf7a7ea4fb7123fd0a9aee2dd1f550a9bf0612a89920a6cf39
SHA1 hash: 4b013abaca12155ac09956b7b960587c950832ff
MD5 hash: 44eb6eeb983f18fd3f7c4b551f8653e0
humanhash: ack-white-michigan-illinois
File name:cloudconnections.js
Download: download sample
Signature RemcosRAT
File size:36'324 bytes
First seen:2026-04-14 06:25:25 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:3o1nCXpKudhOHbw36DXNjXRrXMVQo3PsJgF2YkIOKTbYM/UmSfj:3o1nMpKudhOHbw3+XNjXRrXM6o3PsJg0
TLSH T12CF24F2273C985A55D613918A200D8F05EEEC0D07F6473ED6369C48BB296C2767EBB7C
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
120
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.9%
Tags:
xtreme shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint formbook lolbin repaired wscript
Verdict:
Malicious
File Type:
js
First seen:
2026-04-13T11:37:00Z UTC
Last seen:
2026-04-15T23:51:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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 malware configuration
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)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: Remcos
Sigma detected: Suspicious PowerShell IEX Execution Patterns
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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 Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1897813 Sample: cloudconnections.js Startdate: 14/04/2026 Architecture: WINDOWS Score: 100 36 wormoni.lms-austria.com 2->36 38 paste.c-net.org 2->38 40 11 other IPs or domains 2->40 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 16 other signatures 2->54 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 64 Suspicious powershell command line found 9->64 66 Wscript starts Powershell (via cmd or directly) 9->66 68 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->68 70 2 other signatures 9->70 12 powershell.exe 14 23 9->12         started        process6 dnsIp7 42 paste.c-net.org 20.100.184.134, 443, 49696 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->42 44 hasteb.in 45.33.64.25, 443, 49695 LINODE-APLinodeLLCUS United States 12->44 46 pastefy.app 104.21.49.12, 443, 49694 CLOUDFLARENETUS United States 12->46 32 C:\Users\user\AppData\...\xuonglos.cmdline, Unicode 12->32 dropped 72 Writes to foreign memory regions 12->72 74 Injects a PE file into a foreign processes 12->74 17 MSBuild.exe 4 2 12->17         started        22 csc.exe 3 12->22         started        24 conhost.exe 12->24         started        file8 signatures9 process10 dnsIp11 34 wormoni.lms-austria.com 37.120.206.165, 60736 M247GB Romania 17->34 28 C:\ProgramData\remcos\logs.dat, data 17->28 dropped 56 Contains functionality to bypass UAC (CMSTPLUA) 17->56 58 Detected Remcos RAT 17->58 60 Contains functionalty to change the wallpaper 17->60 62 5 other signatures 17->62 30 C:\Users\user\AppData\Local\...\xuonglos.dll, PE32 22->30 dropped 26 cvtres.exe 1 22->26         started        file12 signatures13 process14
Gathering data
Threat name:
Script-JS.Backdoor.Remcos
Status:
Malicious
First seen:
2026-04-13 13:11:17 UTC
File Type:
Text (JavaScript)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
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.

File information


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

Web download

RemcosRAT

Java Script (JS) js ba358abb563715ca425f9fce0b861227256c857284509a7989191f35e484239b

(this sample)

  
Delivery method
Distributed via web download

Comments