General
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Target
3920b0716b1a4b0af1918e9eb410c9d281fe8a7866eb614d122fb53c70588959
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Size
304KB
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Sample
220625-wce47seacr
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MD5
05da83c9bca7d397add5fd140d8a7883
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SHA1
ed7e2333e1b3c9498b2785f51a48652a9fe75937
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SHA256
3920b0716b1a4b0af1918e9eb410c9d281fe8a7866eb614d122fb53c70588959
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SHA512
79395bc11c194a2c281ffdf641f407e2df9c6cdecd98eb15652d8fed17fd7500fcc66f1f0082b130dcc85d2103373bc3199c2b989e6ea02cda32726ecd34c91e
Static task
static1
Behavioral task
behavioral1
Sample
3920b0716b1a4b0af1918e9eb410c9d281fe8a7866eb614d122fb53c70588959.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3920b0716b1a4b0af1918e9eb410c9d281fe8a7866eb614d122fb53c70588959.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-790309383-526510583-3802439154-1000\_ReCoVeRy_+yxuoq.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/3494C9C477D0D0DA
http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/3494C9C477D0D0DA
http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/3494C9C477D0D0DA
http://xlowfznrg4wf7dli.ONION/3494C9C477D0D0DA
Extracted
C:\$Recycle.Bin\S-1-5-21-790309383-526510583-3802439154-1000\_ReCoVeRy_+yxuoq.html
Extracted
C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\_ReCoVeRy_+ribfs.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/E01AA37335AD0A3
http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/E01AA37335AD0A3
http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/E01AA37335AD0A3
http://xlowfznrg4wf7dli.ONION/E01AA37335AD0A3
Extracted
C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\_ReCoVeRy_+ribfs.html
Targets
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Target
3920b0716b1a4b0af1918e9eb410c9d281fe8a7866eb614d122fb53c70588959
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Size
304KB
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MD5
05da83c9bca7d397add5fd140d8a7883
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SHA1
ed7e2333e1b3c9498b2785f51a48652a9fe75937
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SHA256
3920b0716b1a4b0af1918e9eb410c9d281fe8a7866eb614d122fb53c70588959
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SHA512
79395bc11c194a2c281ffdf641f407e2df9c6cdecd98eb15652d8fed17fd7500fcc66f1f0082b130dcc85d2103373bc3199c2b989e6ea02cda32726ecd34c91e
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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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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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