General
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Target
lock.exe
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Size
633KB
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Sample
230206-2j5w4agc28
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MD5
fa9e53f3d13958c969e71fe6208245fd
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SHA1
10bae495d7a4c496979e9fe3fa039e4ae9a5c679
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SHA256
5e6bec087d5a1fb86736fbb3f6c55408d2efc0b55b405f6544e4475aea160ee9
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SHA512
bba237930a8526bd66480b272b6cd322e7bcc3618601d6f55ce18482c19c71587f1554350a4fe81b2c0275d02b05a10f0f90e2b51ab01f548e821189fafc8378
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SSDEEP
12288:1Yyu/MF01Papw7Ygt129UWSo5rF1Ow7i2vgEZ2Zorbd4g:1G/MWRWw712XV5rjOvpUooe
Static task
static1
Behavioral task
behavioral1
Sample
lock.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
lock.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
C:\program files\7-zip\Restore-My-Files.txt
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion
https://decoding.at
Extracted
C:\odt\Restore-My-Files.txt
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion
https://decoding.at
Extracted
C:\Users\Admin\Desktop\LockBit_Ransomware.hta
https://decoding.at/
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or
https://decoding.at
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
Targets
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Target
lock.exe
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Size
633KB
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MD5
fa9e53f3d13958c969e71fe6208245fd
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SHA1
10bae495d7a4c496979e9fe3fa039e4ae9a5c679
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SHA256
5e6bec087d5a1fb86736fbb3f6c55408d2efc0b55b405f6544e4475aea160ee9
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SHA512
bba237930a8526bd66480b272b6cd322e7bcc3618601d6f55ce18482c19c71587f1554350a4fe81b2c0275d02b05a10f0f90e2b51ab01f548e821189fafc8378
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SSDEEP
12288:1Yyu/MF01Papw7Ygt129UWSo5rF1Ow7i2vgEZ2Zorbd4g:1G/MWRWw712XV5rjOvpUooe
Score10/10-
Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Modifies boot configuration data using bcdedit
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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