General
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Target
LB3.exe
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Size
145KB
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Sample
230317-vm3gtahc28
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MD5
3b56fee645b36a022471189294485517
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SHA1
90138e3902b096a89b03271ea664ccc6193b766c
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SHA256
e6944c6c141447c0d832784928f63c24d79b0a0e6fce3f3c7e3b836c1dc7150c
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SHA512
de721b59586d28b261bcbf74acef98d5f1875e0fc7c43348eb4cb5d78558e34350c3bb285b8f8da1fad3fee0943ac0c4be51522a6e03eaefffeaf4039d6796a5
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SSDEEP
3072:R6glyuxE4GsUPnliByocWepLWlSR/eGrz:R6gDBGpvEByocWe9WeGW
Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20230220-en
Malware Config
Targets
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Target
LB3.exe
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Size
145KB
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MD5
3b56fee645b36a022471189294485517
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SHA1
90138e3902b096a89b03271ea664ccc6193b766c
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SHA256
e6944c6c141447c0d832784928f63c24d79b0a0e6fce3f3c7e3b836c1dc7150c
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SHA512
de721b59586d28b261bcbf74acef98d5f1875e0fc7c43348eb4cb5d78558e34350c3bb285b8f8da1fad3fee0943ac0c4be51522a6e03eaefffeaf4039d6796a5
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SSDEEP
3072:R6glyuxE4GsUPnliByocWepLWlSR/eGrz:R6gDBGpvEByocWe9WeGW
Score8/10-
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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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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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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