General
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Target
LB3.exe
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Size
146KB
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Sample
241126-skddssspep
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MD5
e77ed091631caf183dc4141fe8fb51f2
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SHA1
bbd0c5aba9c95209d29e5b59113e0bae203bf6d6
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SHA256
54ed464306c9e21af8bbef2b8b95a1f3762722ddbc9b8e1ad9661760909f6975
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SHA512
3751d62156eaed483cff9f589d2dba6871dabcae61bdfe9f3629cfc49529697521e4cd39f572b99ae6dab189d6e70c0d9be2ca96558060c4cd7b10faf617d3c6
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SSDEEP
3072:XqJogYkcSNm9V7Dvjh4eL2OAXrsrbWnUroWT:Xq2kc4m9tDj2Fbs2io
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
LB3.exe
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Size
146KB
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MD5
e77ed091631caf183dc4141fe8fb51f2
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SHA1
bbd0c5aba9c95209d29e5b59113e0bae203bf6d6
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SHA256
54ed464306c9e21af8bbef2b8b95a1f3762722ddbc9b8e1ad9661760909f6975
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SHA512
3751d62156eaed483cff9f589d2dba6871dabcae61bdfe9f3629cfc49529697521e4cd39f572b99ae6dab189d6e70c0d9be2ca96558060c4cd7b10faf617d3c6
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SSDEEP
3072:XqJogYkcSNm9V7Dvjh4eL2OAXrsrbWnUroWT:Xq2kc4m9tDj2Fbs2io
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Renames multiple (362) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Drops desktop.ini file(s)
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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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Drops file in System32 directory
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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