General
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Target
421f75f77c368d6cddcc41d6b90583d23c7a4bdcff60fef41c465758d36995e4
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Size
344KB
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Sample
220708-d42s6sfgcn
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MD5
1f311617d8a88f03e86576bd13680834
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SHA1
53037f750f4c1cb4c527792c02b1878a5ffcf0e3
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SHA256
421f75f77c368d6cddcc41d6b90583d23c7a4bdcff60fef41c465758d36995e4
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SHA512
0b5408aa72b44c2a11d97ad936600ac968f0d34d2dc242614cf15bf83fc27e6d066c164bc901b29c4e303f4a43e4839c9dd8a110ac32819f0eb5203cc1c39939
Static task
static1
Behavioral task
behavioral1
Sample
421f75f77c368d6cddcc41d6b90583d23c7a4bdcff60fef41c465758d36995e4.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
421f75f77c368d6cddcc41d6b90583d23c7a4bdcff60fef41c465758d36995e4.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-1083475884-596052423-1669053738-1000\_RECOVERY_+pebcp.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/A54A98633B61FF6
http://tes543berda73i48fsdfsd.keratadze.at/A54A98633B61FF6
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/A54A98633B61FF6
http://xlowfznrg4wf7dli.ONION/A54A98633B61FF6
Extracted
C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\_RECOVERY_+weknd.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/E3274083A85CE13
http://tes543berda73i48fsdfsd.keratadze.at/E3274083A85CE13
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E3274083A85CE13
http://xlowfznrg4wf7dli.ONION/E3274083A85CE13
Targets
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Target
421f75f77c368d6cddcc41d6b90583d23c7a4bdcff60fef41c465758d36995e4
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Size
344KB
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MD5
1f311617d8a88f03e86576bd13680834
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SHA1
53037f750f4c1cb4c527792c02b1878a5ffcf0e3
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SHA256
421f75f77c368d6cddcc41d6b90583d23c7a4bdcff60fef41c465758d36995e4
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SHA512
0b5408aa72b44c2a11d97ad936600ac968f0d34d2dc242614cf15bf83fc27e6d066c164bc901b29c4e303f4a43e4839c9dd8a110ac32819f0eb5203cc1c39939
Score10/10-
TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
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Executes dropped EXE
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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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Adds Run key to start application
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Suspicious use of SetThreadContext
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