General
- Target http://github malware
- Sample260914-cv347stdjf
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://github malware
Resource
win10ltsc2021-20260911-en
Malware Config
Extracted
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blacknet
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v3.7.0 Public
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[ID]
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[HOST]
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[MUTEX]
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antivm
false
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elevate_uac
false
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install_name
[Install_Name]
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splitter
[Splitter]
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start_name
[StartupName]
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startup
false
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usb_spread
false
Extracted
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C:\Users\Admin\AppData\Local\Temp\eb6dbbc1-3d35-437d-bc4e-30dbe30b0d5b_Ransomware.WannaCry.zip.d5b\@[email protected]
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wannacry
- Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
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12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Targets
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- Target http://github malware
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BlackNET payload
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Downloads MZ/PE file
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Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Suricata alert: Tor Node X.509 Certificate Pattern Detected - Inbound
Network activity triggered a Suricata alert
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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Drops file in System32 directory
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Executes a VBScript file via the Windows Script Host.
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Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Windows Management Instrumentation
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Defense Evasion
File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1File Deletion
1Modify Registry
5