General
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Target
WinCry.exe
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Size
25.0MB
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Sample
240802-axh6psvekn
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MD5
2f3f0fbdb7edd5bb5dd55f2a659163d6
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SHA1
b81b8f1a9425639335a8f540a6dd107523fe1fe7
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SHA256
5d0aca12e18047ebf796d6f50a96b4b6d335ffe1df936b2f4ab2c9ba409737a7
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SHA512
61f6a252a4b3d55cab534727a6a6efa0e7620b7bcde1990968870dca74b991e9a8bda3a1177e95a9fff1498d24bd93c1f4b50409d9bec96aad441647ccd3e325
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SSDEEP
393216:oomWVe3DAnGKZKuNK0SvAn9kaK6gaaNRZbC:ooLW0UoWB6g5NRZbC
Static task
static1
Behavioral task
behavioral1
Sample
WinCry.exe
Resource
win7-20240705-en
Malware Config
Targets
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Target
WinCry.exe
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Size
25.0MB
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MD5
2f3f0fbdb7edd5bb5dd55f2a659163d6
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SHA1
b81b8f1a9425639335a8f540a6dd107523fe1fe7
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SHA256
5d0aca12e18047ebf796d6f50a96b4b6d335ffe1df936b2f4ab2c9ba409737a7
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SHA512
61f6a252a4b3d55cab534727a6a6efa0e7620b7bcde1990968870dca74b991e9a8bda3a1177e95a9fff1498d24bd93c1f4b50409d9bec96aad441647ccd3e325
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SSDEEP
393216:oomWVe3DAnGKZKuNK0SvAn9kaK6gaaNRZbC:ooLW0UoWB6g5NRZbC
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Modifies boot configuration data using bcdedit
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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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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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Power Settings
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Power Settings
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1File Deletion
1Modify Registry
3