General
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Target
3fab5c87e2e1d9407282d93a7ddc44b0a2d8837288185e44261916aa041ba5ba
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Size
388KB
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Sample
220630-3f27gadhh3
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MD5
6af5f63dc76875ea5e2a8767afd25717
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SHA1
146125b422998328585ee1118947aa62892123ef
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SHA256
3fab5c87e2e1d9407282d93a7ddc44b0a2d8837288185e44261916aa041ba5ba
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SHA512
3167f703a7fdf8a5581ec0a50fb85428b578dffd916e330581f63399175d6656b453a2242bdf377e8909d1d84ede2153c9cd464bf0578046018a8fd3ab888f10
Static task
static1
Behavioral task
behavioral1
Sample
3fab5c87e2e1d9407282d93a7ddc44b0a2d8837288185e44261916aa041ba5ba.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3fab5c87e2e1d9407282d93a7ddc44b0a2d8837288185e44261916aa041ba5ba.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-790309383-526510583-3802439154-1000\_RECoVERY_+afoct.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/43C8A44868999E1
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/43C8A44868999E1
http://yyre45dbvn2nhbefbmh.begumvelic.at/43C8A44868999E1
http://xlowfznrg4wf7dli.ONION/43C8A44868999E1
Extracted
C:\$Recycle.Bin\S-1-5-21-790309383-526510583-3802439154-1000\_RECoVERY_+afoct.html
Extracted
C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\_RECoVERY_+uigis.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/F0C4DD1596C8978B
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/F0C4DD1596C8978B
http://yyre45dbvn2nhbefbmh.begumvelic.at/F0C4DD1596C8978B
http://xlowfznrg4wf7dli.ONION/F0C4DD1596C8978B
Extracted
C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\_RECoVERY_+uigis.html
Targets
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Target
3fab5c87e2e1d9407282d93a7ddc44b0a2d8837288185e44261916aa041ba5ba
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Size
388KB
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MD5
6af5f63dc76875ea5e2a8767afd25717
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SHA1
146125b422998328585ee1118947aa62892123ef
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SHA256
3fab5c87e2e1d9407282d93a7ddc44b0a2d8837288185e44261916aa041ba5ba
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SHA512
3167f703a7fdf8a5581ec0a50fb85428b578dffd916e330581f63399175d6656b453a2242bdf377e8909d1d84ede2153c9cd464bf0578046018a8fd3ab888f10
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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