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240813-aazj6sycjn 10General
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Target
https://github.com/Da2dalus/The-MALWARE-Repo
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Sample
240813-c5kevazflb
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Da2dalus/The-MALWARE-Repo
Resource
win11-20240802-en
Malware Config
Targets
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Target
https://github.com/Da2dalus/The-MALWARE-Repo
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
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Chimera
Ransomware which infects local and network files, often distributed via Dropbox links.
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Chimera Ransomware Loader DLL
Drops/unpacks executable file which resembles Chimera's Loader.dll.
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Modifies WinLogon for persistence
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Modifies visiblity of hidden/system files in Explorer
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Suspicious use of NtCreateProcessExOtherParentProcess
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (3060) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocks application from running via registry modification
Adds application to list of disallowed applications.
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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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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Disables use of System Restore points
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Downloads MZ/PE file
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Drops file in Drivers directory
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Event Triggered Execution: Image File Execution Options Injection
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Modifies Windows Firewall
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Sets service image path in registry
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Uses Session Manager for persistence
Creates Session Manager registry key to run executable early in system boot.
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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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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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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Modifies WinLogon
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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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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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Hide Artifacts: Hidden Users
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MITRE ATT&CK Enterprise v15
Execution
Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
6Active Setup
1Registry Run Keys / Startup Folder
3Winlogon Helper DLL
2Create or Modify System Process
3Windows Service
3Event Triggered Execution
3Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
6Active Setup
1Registry Run Keys / Startup Folder
3Winlogon Helper DLL
2Create or Modify System Process
3Windows Service
3Event Triggered Execution
3Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Direct Volume Access
1File and Directory Permissions Modification
1Hide Artifacts
3Hidden Files and Directories
2Hidden Users
1Impair Defenses
7Disable or Modify System Firewall
1Disable or Modify Tools
4Safe Mode Boot
1Indicator Removal
2File Deletion
2Modify Registry
13Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Discovery
Browser Information Discovery
1Peripheral Device Discovery
1Query Registry
6Software Discovery
1Security Software Discovery
1System Information Discovery
6System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1