General
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Target
4b7f328bb05d97e371c0b7873e9a7eebad756971970948283c3bf6e46ac61103
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Size
360KB
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Sample
220712-lrkm5acfdq
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MD5
0b7d136cbc2a52f4a836f99fa3fed5d5
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SHA1
a8a501329c2d47c16dc7c31e18b667aafbbd3df1
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SHA256
4b7f328bb05d97e371c0b7873e9a7eebad756971970948283c3bf6e46ac61103
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SHA512
bc24815c309dc6530c82be0f5dbb2f92fb729b0f85cae3ee415b5e33f0938e16abc9a6e7216063dcc8b3661b3530655e27a00ed03168238988d2f1f25f10cf29
Static task
static1
Behavioral task
behavioral1
Sample
4b7f328bb05d97e371c0b7873e9a7eebad756971970948283c3bf6e46ac61103.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
4b7f328bb05d97e371c0b7873e9a7eebad756971970948283c3bf6e46ac61103.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-1819626980-2277161760-1023733287-1000\_RECOVERY_+maylq.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/70D7EC8CF81D2F60
http://tes543berda73i48fsdfsd.keratadze.at/70D7EC8CF81D2F60
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/70D7EC8CF81D2F60
http://xlowfznrg4wf7dli.ONION/70D7EC8CF81D2F60
Extracted
C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\_RECOVERY_+xkmmu.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/143255AA299DE23
http://tes543berda73i48fsdfsd.keratadze.at/143255AA299DE23
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/143255AA299DE23
http://xlowfznrg4wf7dli.ONION/143255AA299DE23
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Certificates\_RECOVERY_+xkmmu.html
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/143255AA299DE23
http://tes543berda73i48fsdfsd.keratadze.at/143255AA299DE23
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/143255AA299DE23
http://xlowfznrg4wf7dli.onion/143255AA299DE23
Targets
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Target
4b7f328bb05d97e371c0b7873e9a7eebad756971970948283c3bf6e46ac61103
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Size
360KB
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MD5
0b7d136cbc2a52f4a836f99fa3fed5d5
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SHA1
a8a501329c2d47c16dc7c31e18b667aafbbd3df1
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SHA256
4b7f328bb05d97e371c0b7873e9a7eebad756971970948283c3bf6e46ac61103
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SHA512
bc24815c309dc6530c82be0f5dbb2f92fb729b0f85cae3ee415b5e33f0938e16abc9a6e7216063dcc8b3661b3530655e27a00ed03168238988d2f1f25f10cf29
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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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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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Drops startup file
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Adds Run key to start application
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