MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 768b333de4196094c455e681d28b13121cddaf8a27eaa78d0a9ef2ad0d49df95. 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



DarkCloud


Vendor detections: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 768b333de4196094c455e681d28b13121cddaf8a27eaa78d0a9ef2ad0d49df95
SHA3-384 hash: cbc8c943de88efd3db6813e8ea91e0ca6b35639bc7c0a6afc63728a02c74c0e0632b0c154ebbbc534cd431ca246414ff
SHA1 hash: 7aefce6d44884efebfdbb685859014c4483995ac
MD5 hash: 06d4ff01eb995fca9865b5dbf3798022
humanhash: wyoming-pennsylvania-alaska-sierra
File name:obfuscated.js
Download: download sample
Signature DarkCloud
File size:2'361 bytes
First seen:2025-07-10 13:43:40 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 48:52X1DmOvPA5HIZTUGnTET++eITG4ZUJJm7SqUtM9W4MOx1g1jzn+pH83s:5S1eDeITEJtM9W4MO41H++3s
TLSH T15241960C3C00A192037FA3E76F1B9806C510EC9EB75BE481E661F95C7E14E71356BB65
Magika javascript
Reporter Anonymous
Tags:DarkCloud js

Intelligence


File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
dropper extens spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 confuserex evasive obfuscated opendir opendir packed packed reconnaissance
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Benign windows process drops PE files
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DarkCloud
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1732892 Sample: obfuscated.js Startdate: 10/07/2025 Architecture: WINDOWS Score: 100 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus detection for dropped file 2->30 32 Multi AV Scanner detection for dropped file 2->32 34 11 other signatures 2->34 7 wscript.exe 2 19 2->7         started        process3 dnsIp4 26 198.55.98.29, 49718, 80 ASN-QUADRANET-GLOBALUS United States 7->26 20 C:\Users\user\AppData\Local\...\xcwIOYBg.exe, PE32 7->20 dropped 22 C:\Users\user\AppData\...\XXC2333333335.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\...\V4j63dPu.zip, Zip 7->24 dropped 36 System process connects to network (likely due to code injection or exploit) 7->36 38 Benign windows process drops PE files 7->38 40 JScript performs obfuscated calls to suspicious functions 7->40 42 Windows Scripting host queries suspicious COM object (likely to drop second stage) 7->42 12 xcwIOYBg.exe 1 7->12         started        file5 signatures6 process7 signatures8 44 Antivirus detection for dropped file 12->44 46 Multi AV Scanner detection for dropped file 12->46 48 Injects a PE file into a foreign processes 12->48 15 xcwIOYBg.exe 4 12->15         started        18 xcwIOYBg.exe 12->18         started        process9 signatures10 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Tries to harvest and steal browser information (history, passwords, etc) 15->54
Gathering data
Threat name:
Script-JS.Downloader.DarkCloud
Status:
Malicious
First seen:
2025-07-10 13:44:11 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 23 (30.43%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
darkcloudstealer
Similar samples:
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud discovery execution spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Blocklisted process makes network request
DarkCloud
Darkcloud family
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