General
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Target
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Size
760KB
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Sample
240812-gmh7aaseld
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MD5
515198a8dfa7825f746d5921a4bc4db9
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SHA1
e1da0b7f046886c1c4ff6993f7f98ee9a1bc90ae
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SHA256
0fda176b199295f72fafc3bc25cefa27fa44ed7712c3a24ca2409217e430436d
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SHA512
9e47037fe40b79ebf056a9c6279e318d85da9cd7e633230129d77a1b8637ecbafc60be38dd21ca9077ebfcb9260d87ff7fcc85b8699b3135148fe956972de3e8
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SSDEEP
12288:7Lthbs5mJybBx5PK7+PTjslKd+FKxkQ+5qgIU5fZf+FQ/JSD39WRkZYZ6fLr:fbgvFCGTKKxNiqtU5Rf+W/kPZYwzr
Static task
static1
Malware Config
Extracted
C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
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Target
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Size
760KB
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MD5
515198a8dfa7825f746d5921a4bc4db9
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SHA1
e1da0b7f046886c1c4ff6993f7f98ee9a1bc90ae
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SHA256
0fda176b199295f72fafc3bc25cefa27fa44ed7712c3a24ca2409217e430436d
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SHA512
9e47037fe40b79ebf056a9c6279e318d85da9cd7e633230129d77a1b8637ecbafc60be38dd21ca9077ebfcb9260d87ff7fcc85b8699b3135148fe956972de3e8
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SSDEEP
12288:7Lthbs5mJybBx5PK7+PTjslKd+FKxkQ+5qgIU5fZf+FQ/JSD39WRkZYZ6fLr:fbgvFCGTKKxNiqtU5Rf+W/kPZYwzr
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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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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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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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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
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1File Deletion
1Modify Registry
7