General
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Target
StarStacker.bat
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Size
3KB
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Sample
240519-t4ayfsff53
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MD5
ed1731ad939b848a4309d2d98c8e6c3f
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SHA1
90db532c1214484e80c9ffd0f927917dffc2941a
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SHA256
f9bb53c79f60d12aff749aac505f9e5fe227e6d4325853ffa8d83f6f02809d6e
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SHA512
8597b8b1602a75ea48e09e15c20b68d2d7d5098f69055e86e7a2c86bb6053489eddc75435b614d494b4d990b511696e8f60b3d9f2a9cb291cdefe56278cf8e22
Static task
static1
Behavioral task
behavioral1
Sample
StarStacker.bat
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
StarStacker.bat
Resource
win11-20240426-en
Malware Config
Extracted
C:\Users\Admin\Downloads\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
-
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Target
StarStacker.bat
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Size
3KB
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MD5
ed1731ad939b848a4309d2d98c8e6c3f
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SHA1
90db532c1214484e80c9ffd0f927917dffc2941a
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SHA256
f9bb53c79f60d12aff749aac505f9e5fe227e6d4325853ffa8d83f6f02809d6e
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SHA512
8597b8b1602a75ea48e09e15c20b68d2d7d5098f69055e86e7a2c86bb6053489eddc75435b614d494b4d990b511696e8f60b3d9f2a9cb291cdefe56278cf8e22
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Blocklisted process makes network request
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Downloads MZ/PE file
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Modifies Installed Components in the 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 file permissions
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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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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
Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Defense Evasion
File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1File Deletion
1Modify Registry
4