General
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Target
smb-gab_1g0l.zip
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Size
449KB
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Sample
240809-sn41xsscjk
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MD5
1fccbad0bccaad5cca0e7466f31c08bc
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SHA1
5aebb99d052c30ad521df8c3cdb6fd30501cf5b8
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SHA256
f7aae45df24c828753e769ef66b7527bbf227a50ea263e3b031e667898e016d4
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SHA512
0d1ef6f15c66488153d78113ea0bc319487ee29a55fa3d25ac354db1fad6042c26e368c9755f0f6ee300699f794ab93cf5202d3c4e2e895de99dbbedbf5ccd0e
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SSDEEP
12288:3PWBQJzxs8uRuMNwJEDFXcjxkTagpM9Eux27:/gQJz/utPXcjSlpGhxe
Static task
static1
Behavioral task
behavioral1
Sample
smb-gab_1g0l.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
smb-gab_1g0l.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\Temp1_Ransomware.WannaCry.zip\@[email protected]
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Targets
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Target
smb-gab_1g0l.bin
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Size
540KB
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MD5
7d0c735130149ce53c2b5cca912b39a4
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SHA1
1d15cfb315723c508fd17dcb2621af8a17d885a7
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SHA256
1f01ed57b60951c4fd7de05a5d4b324a9ffff272a34aa2f1d4859e4936d99e26
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SHA512
ad91c86e59f948f21f81bddcddd1b323f38baada91ef09cfc46b8d5b7f3f9f45e3f3c37362415f5f523c92b613f4ce79fbb6dbbc8b3d15849449404c0e780d14
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SSDEEP
12288:sNnX1Bmb5RwBG4mxdB9He9DYfH8V6E63Sulx9DpI0gP4Wc:sX1Bc5RFB9He9DYv8V6E6CuBpI0M4Wc
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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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
Privilege Escalation
Boot or Logon Autostart Execution
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
3