General
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Target
VirusShare_0633631727771a19c3593b678268e8f9
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Size
276KB
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Sample
240610-metwpsgd64
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MD5
0633631727771a19c3593b678268e8f9
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SHA1
2c8af799af11e03abc5face54f3943c2b3071203
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SHA256
dd754c7e866babc27f01d9e9b3bbac680dcc3e83b8a748d39e026b871052b527
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SHA512
f705f51b7f49f51a13c4509909b80e7eaeecf2914867b41f42dd13f655ad1e815355366cb05b9a6093c1887dae569f204b9ca7ad5761a3f1952b3cbc9b31645b
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SSDEEP
6144:wL+ROMHXZ99JX2WngMNSYZh1r0CLf2dWsLf2EUOH9:wQ7J9PgMN7LsqEUO
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_0633631727771a19c3593b678268e8f9.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
VirusShare_0633631727771a19c3593b678268e8f9.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+sacou.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/CAA3D01874756BD4
http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/CAA3D01874756BD4
http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/CAA3D01874756BD4
http://xlowfznrg4wf7dli.ONION/CAA3D01874756BD4
Extracted
C:\Program Files\7-Zip\Lang\_ReCoVeRy_+kiuqh.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/E751D88A4353D3A6
http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/E751D88A4353D3A6
http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/E751D88A4353D3A6
http://xlowfznrg4wf7dli.ONION/E751D88A4353D3A6
Targets
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Target
VirusShare_0633631727771a19c3593b678268e8f9
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Size
276KB
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MD5
0633631727771a19c3593b678268e8f9
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SHA1
2c8af799af11e03abc5face54f3943c2b3071203
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SHA256
dd754c7e866babc27f01d9e9b3bbac680dcc3e83b8a748d39e026b871052b527
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SHA512
f705f51b7f49f51a13c4509909b80e7eaeecf2914867b41f42dd13f655ad1e815355366cb05b9a6093c1887dae569f204b9ca7ad5761a3f1952b3cbc9b31645b
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SSDEEP
6144:wL+ROMHXZ99JX2WngMNSYZh1r0CLf2dWsLf2EUOH9:wQ7J9PgMN7LsqEUO
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TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (436) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Executes dropped EXE
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Adds Run key to start application
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Suspicious use of SetThreadContext
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