General
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Target
457d3ded5e8d1dc1c49cf468c03743735c05fb0e7bea643380c5f9e02064f67c
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Size
352KB
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Sample
220707-nxrpqshfg3
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MD5
1326d2b63d8846f40cddb4971ac57782
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SHA1
a023a792e93e936dd0b297fdf680fb429e46ee41
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SHA256
457d3ded5e8d1dc1c49cf468c03743735c05fb0e7bea643380c5f9e02064f67c
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SHA512
56b2f907e45ec0418436430090807b12c7fde920a8cd3f065a08f18208b5be92af64bdb56069973996933dcb57e1ac7f123e724b71e71b7dad4894047f9089ca
Static task
static1
Behavioral task
behavioral1
Sample
457d3ded5e8d1dc1c49cf468c03743735c05fb0e7bea643380c5f9e02064f67c.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
457d3ded5e8d1dc1c49cf468c03743735c05fb0e7bea643380c5f9e02064f67c.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-1083475884-596052423-1669053738-1000\_ReCoVeRy_+klxbg.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/F984F1A58EDF47EE
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/F984F1A58EDF47EE
http://yyre45dbvn2nhbefbmh.begumvelic.at/F984F1A58EDF47EE
http://xlowfznrg4wf7dli.ONION/F984F1A58EDF47EE
Extracted
C:\$Recycle.Bin\S-1-5-21-1083475884-596052423-1669053738-1000\_ReCoVeRy_+klxbg.html
Extracted
C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\_ReCoVeRy_+rvrau.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/FD26DACA73588999
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/FD26DACA73588999
http://yyre45dbvn2nhbefbmh.begumvelic.at/FD26DACA73588999
http://xlowfznrg4wf7dli.ONION/FD26DACA73588999
Extracted
C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\_ReCoVeRy_+rvrau.html
Targets
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Target
457d3ded5e8d1dc1c49cf468c03743735c05fb0e7bea643380c5f9e02064f67c
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Size
352KB
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MD5
1326d2b63d8846f40cddb4971ac57782
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SHA1
a023a792e93e936dd0b297fdf680fb429e46ee41
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SHA256
457d3ded5e8d1dc1c49cf468c03743735c05fb0e7bea643380c5f9e02064f67c
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SHA512
56b2f907e45ec0418436430090807b12c7fde920a8cd3f065a08f18208b5be92af64bdb56069973996933dcb57e1ac7f123e724b71e71b7dad4894047f9089ca
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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