General
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Target
https://github.com/Da2dalus/The-MALWARE-Repo.git
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Sample
240820-emwfhasflf
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Da2dalus/The-MALWARE-Repo.git
Resource
win11-20240802-en
Malware Config
Extracted
C:\Users\Admin\Downloads\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Extracted
C:\Recovery\WindowsRE\README_HOW_TO_UNLOCK.TXT
http://zvnvp2rhe3ljwf2m.onion
Extracted
C:\Users\Admin\Downloads\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
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Target
https://github.com/Da2dalus/The-MALWARE-Repo.git
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Renames multiple (63) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Downloads MZ/PE file
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Enables test signing to bypass driver trust controls
Allows any signed driver to load without validation against a trusted certificate authority.
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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 file permissions
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Adds Run key to start application
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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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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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Drops file in System32 directory
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Defense Evasion
File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1File Deletion
1Modify Registry
5Pre-OS Boot
1Bootkit
1Subvert Trust Controls
2Code Signing Policy Modification
1SIP and Trust Provider Hijacking
1