General
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Target
VirusShare_6d3919774e2c47108f89572ac4edfd36
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Size
368KB
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Sample
240610-nrsd3shh83
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MD5
6d3919774e2c47108f89572ac4edfd36
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SHA1
b8906a6ce0db3a312b48eb683210193fe1c79797
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SHA256
43c2e02552224325d2794aa77736bc2ceec565144dc0bb2c07ccdfbfb85f52c2
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SHA512
406dcc50c2cd9c2815db796d63e6d50d0c244fdabfd1f9b6c05e9090a45abe1adeca6ab889982f4b28bba3fcad05f1b6bddb0b75d90cfd05f63c57c8da11051c
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SSDEEP
6144:Vdp8rEHy/RucZDj7tR49k1dMflnnnl8nq5sIDc9IQ4rmSfZd+nDKuNAvwu:Vd+Ky/RucZT6uYnnnl8q2IDc9IQ4rjm4
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_6d3919774e2c47108f89572ac4edfd36.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
VirusShare_6d3919774e2c47108f89572ac4edfd36.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECoVERY_+ocaoc.txt
teslacrypt
http://yyre45dbvn2nhbefbmh.begumvelic.at/5FAE899112A88C4B
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/5FAE899112A88C4B
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/5FAE899112A88C4B
http://xlowfznrg4wf7dli.ONION/5FAE899112A88C4B
Extracted
C:\Program Files\7-Zip\Lang\_RECoVERY_+kkomk.txt
teslacrypt
http://yyre45dbvn2nhbefbmh.begumvelic.at/F178ACF58528737C
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/F178ACF58528737C
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/F178ACF58528737C
http://xlowfznrg4wf7dli.ONION/F178ACF58528737C
Targets
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Target
VirusShare_6d3919774e2c47108f89572ac4edfd36
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Size
368KB
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MD5
6d3919774e2c47108f89572ac4edfd36
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SHA1
b8906a6ce0db3a312b48eb683210193fe1c79797
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SHA256
43c2e02552224325d2794aa77736bc2ceec565144dc0bb2c07ccdfbfb85f52c2
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SHA512
406dcc50c2cd9c2815db796d63e6d50d0c244fdabfd1f9b6c05e9090a45abe1adeca6ab889982f4b28bba3fcad05f1b6bddb0b75d90cfd05f63c57c8da11051c
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SSDEEP
6144:Vdp8rEHy/RucZDj7tR49k1dMflnnnl8nq5sIDc9IQ4rmSfZd+nDKuNAvwu:Vd+Ky/RucZT6uYnnnl8q2IDc9IQ4rjm4
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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 (420) 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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