Resubmissions
10-11-2024 10:05
241110-l4p4davelh 810-11-2024 10:02
241110-l29p1avblm 809-11-2024 17:59
241109-wk7jesyhpe 809-11-2024 17:59
241109-wkxn8azalm 109-11-2024 17:25
241109-vzld3a1phm 1009-11-2024 16:09
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241109-tcj22sxeja 1009-11-2024 13:49
241109-q4qgcsvkew 809-11-2024 13:26
241109-qp2abatraz 10General
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Target
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Virus/WinNuke.98.exe
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Sample
241109-tcj22sxeja
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Virus/WinNuke.98.exe
Resource
win11-20241007-en
Malware Config
Extracted
C:\Users\Admin\Downloads\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Targets
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Target
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Virus/WinNuke.98.exe
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BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
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Badrabbit family
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Mimikatz family
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Wannacry family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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mimikatz is an open source tool to dump credentials on Windows
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies RDP port number used by Windows
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Impair Defenses: Safe Mode Boot
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Loads dropped DLL
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Legitimate hosting services abused for malware hosting/C2
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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
1Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Safe Mode Boot
1Indicator Removal
2File Deletion
2Modify Registry
5Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1