General
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Target
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Ransomware/7ev3n.exe
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Sample
240507-tyx6ssha59
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Ransomware/7ev3n.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Ransomware/7ev3n.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Ransomware/7ev3n.exe
Resource
win11-20240419-en
Malware Config
Targets
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Target
https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Ransomware/7ev3n.exe
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
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InfinityLock Ransomware
Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
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Modifies WinLogon for persistence
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Modifies visibility of file extensions in Explorer
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Grants admin privileges
Uses net.exe to modify the user's privileges.
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Renames multiple (445) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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mimikatz is an open source tool to dump credentials on Windows
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Downloads MZ/PE file
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Modifies Windows Firewall
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Sets service image path in registry
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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Adds Run key to start application
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Blocklisted process makes network request
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Account Manipulation
1Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
3Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Account Manipulation
1Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
3Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
3Hidden Files and Directories
3Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
8Pre-OS Boot
1Bootkit
1