General
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Target
VirusShare_77f9f38aff6772904e5cb6ff14a7abe5
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Size
428KB
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Sample
240610-nry7mahd4w
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MD5
77f9f38aff6772904e5cb6ff14a7abe5
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SHA1
948101647975f44217414a8a8110b2a5d9e4cddf
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SHA256
05884e3e77892db6e9ae3af788003e5265aa2336cd655ac4c81b98e3242ff04c
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SHA512
6fdec7bcdeaa9fed3de2708265e0861622d003fd6d83ff1d5d8ad4ae1cbae7da6c9f2356ea74fd93df2736156703b6c883a10ffd39b79d27c87ef587dc53703b
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SSDEEP
6144:YS61KBLwidWQW0StEYurSyTheRmfu3pUlzwgaa9rSoXbftChXW3AxfulDGgB:YSxvdk0DtrSmeRh3pUGlahbblCJxfS6
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_77f9f38aff6772904e5cb6ff14a7abe5.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
VirusShare_77f9f38aff6772904e5cb6ff14a7abe5.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECoVERY_+hywyt.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/ABEC15B6D62F409D
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/ABEC15B6D62F409D
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/ABEC15B6D62F409D
http://xlowfznrg4wf7dli.ONION/ABEC15B6D62F409D
Extracted
C:\Program Files\7-Zip\Lang\_RECoVERY_+emsus.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/AD5F1223CAD73B48
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/AD5F1223CAD73B48
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/AD5F1223CAD73B48
http://xlowfznrg4wf7dli.ONION/AD5F1223CAD73B48
Targets
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Target
VirusShare_77f9f38aff6772904e5cb6ff14a7abe5
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Size
428KB
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MD5
77f9f38aff6772904e5cb6ff14a7abe5
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SHA1
948101647975f44217414a8a8110b2a5d9e4cddf
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SHA256
05884e3e77892db6e9ae3af788003e5265aa2336cd655ac4c81b98e3242ff04c
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SHA512
6fdec7bcdeaa9fed3de2708265e0861622d003fd6d83ff1d5d8ad4ae1cbae7da6c9f2356ea74fd93df2736156703b6c883a10ffd39b79d27c87ef587dc53703b
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SSDEEP
6144:YS61KBLwidWQW0StEYurSyTheRmfu3pUlzwgaa9rSoXbftChXW3AxfulDGgB:YSxvdk0DtrSmeRh3pUGlahbblCJxfS6
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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 (419) 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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