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241213-kk2sdsvmgl 8General
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Target
b28242123ed2cf6000f0aa036844bd29
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Size
87KB
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Sample
241216-qe4bxs1mby
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MD5
b28242123ed2cf6000f0aa036844bd29
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SHA1
915f41a6c59ed743803ea0ddde08927ffd623586
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SHA256
fd563cf7c0c862ab910cf558b5a123354b616e84902d277edf09f378ff6f9786
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SHA512
08e5966ca90f08c18c582e6c67d71186a6f9c025fc9f78020e1ce202814de094171111b7f3623d81f7371acdf92206446f7c0425e08e8f5f5b6fd969007d9fca
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SSDEEP
1536:0A1KsVHBnVJ0T1rFTQHUPx+nVP7ZSRILMZoXyqqEbzPCAdt6rFTc:0A1rVIrFTOUsnVP7sRILgAPCvrFTc
Static task
static1
Behavioral task
behavioral1
Sample
b28242123ed2cf6000f0aa036844bd29.dll
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Users\Admin\Downloads\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Targets
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Target
b28242123ed2cf6000f0aa036844bd29
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Size
87KB
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MD5
b28242123ed2cf6000f0aa036844bd29
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SHA1
915f41a6c59ed743803ea0ddde08927ffd623586
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SHA256
fd563cf7c0c862ab910cf558b5a123354b616e84902d277edf09f378ff6f9786
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SHA512
08e5966ca90f08c18c582e6c67d71186a6f9c025fc9f78020e1ce202814de094171111b7f3623d81f7371acdf92206446f7c0425e08e8f5f5b6fd969007d9fca
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SSDEEP
1536:0A1KsVHBnVJ0T1rFTQHUPx+nVP7ZSRILMZoXyqqEbzPCAdt6rFTc:0A1rVIrFTOUsnVP7sRILgAPCvrFTc
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Wannacry family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Downloads MZ/PE file
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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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Adds Run key to start application
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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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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Indicator Removal
1File Deletion
1Modify Registry
2Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1