General
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Target
NovaCleaner (2).bat
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Size
255KB
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Sample
240916-t3mkvsyakq
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MD5
8bca51ba24f374227fa533dd8a8601b0
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SHA1
3dc731c21b55da7a382050ee0cb84a042dfb734f
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SHA256
9d1eef45a93d66894f60a7f3614e2274e300c734db2ce31315783f1b4da36bb4
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SHA512
deff501edafede1765725fa95a286ff71602ba10507e49171a2fe184f1ea872d10e911aabd8690363d3f99bc3385bebc9dfbefbf8a889bdcb505bc37e50b1138
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SSDEEP
1536:ANoZxBOz2oQfgCWfr3bwUWgn8q01L5LvLpLjL5sff4oH9sffzs:NfgCW4UWgnh4oH9qzs
Static task
static1
Behavioral task
behavioral1
Sample
NovaCleaner (2).bat
Resource
win11-20240802-en
Malware Config
Extracted
http://french-cooking.com/myguy.exe
Extracted
C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___FJMC_.txt
cerber
http://p27dokhpz2n7nvgr.onion/2A0D-ECF0-FBCD-0446-989D
http://p27dokhpz2n7nvgr.12hygy.top/2A0D-ECF0-FBCD-0446-989D
http://p27dokhpz2n7nvgr.14ewqv.top/2A0D-ECF0-FBCD-0446-989D
http://p27dokhpz2n7nvgr.14vvrc.top/2A0D-ECF0-FBCD-0446-989D
http://p27dokhpz2n7nvgr.129p1t.top/2A0D-ECF0-FBCD-0446-989D
http://p27dokhpz2n7nvgr.1apgrn.top/2A0D-ECF0-FBCD-0446-989D
Extracted
C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___KMOD3FQ_.hta
cerber
Extracted
C:\Users\Admin\AppData\Local\Temp\Temp1_Ransomware.WannaCry (38).zip\@[email protected]
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Targets
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Target
NovaCleaner (2).bat
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Size
255KB
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MD5
8bca51ba24f374227fa533dd8a8601b0
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SHA1
3dc731c21b55da7a382050ee0cb84a042dfb734f
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SHA256
9d1eef45a93d66894f60a7f3614e2274e300c734db2ce31315783f1b4da36bb4
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SHA512
deff501edafede1765725fa95a286ff71602ba10507e49171a2fe184f1ea872d10e911aabd8690363d3f99bc3385bebc9dfbefbf8a889bdcb505bc37e50b1138
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SSDEEP
1536:ANoZxBOz2oQfgCWfr3bwUWgn8q01L5LvLpLjL5sff4oH9sffzs:NfgCW4UWgnh4oH9qzs
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Blocklisted process makes network request
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Contacts a large (1380) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Downloads MZ/PE file
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Event Triggered Execution: Image File Execution Options Injection
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Modifies Windows Firewall
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Drops startup file
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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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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Adds Run key to start application
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Checks for any installed AV software in registry
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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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Drops desktop.ini file(s)
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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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Legitimate hosting services abused for malware hosting/C2
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
3Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
3Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Defense Evasion
File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
1File Deletion
1Modify Registry
6Pre-OS Boot
1Bootkit
1Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Discovery
Browser Information Discovery
1Network Service Discovery
1Peripheral Device Discovery
1Query Registry
5Remote System Discovery
1Software Discovery
1Security Software Discovery
1System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1