General
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Target
VirusShare_3b240ca653bd5467b19e195889c07c6e
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Size
369KB
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Sample
240610-neg3kshc85
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MD5
3b240ca653bd5467b19e195889c07c6e
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SHA1
bfb732fd34099fb9f4467cfab185a4bf3bb28e95
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SHA256
62aaa2a24236be5ae371e5851370f24e6261025cf4bf539b7c40bdefc6ad07e6
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SHA512
32242830aaf7fee32d16e86da4d602640fd360f24ae309bc5391c130ca384b951ac97f9ecc1f596bd7c7b3933c589dbd87ee872b4dfd8cda62835143e04e0296
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SSDEEP
6144:fo07Ev9jgh+J0J+l/moekR1MlvlMa0FIe03ncsCMYZx/FqDN6TETpspvQrMX1r9:ftQVG+JIe/mGzMNlMVFC3Xi/YwOi
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_3b240ca653bd5467b19e195889c07c6e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
VirusShare_3b240ca653bd5467b19e195889c07c6e.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECOVERY_+xcmab.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/49783B907533E6
http://tes543berda73i48fsdfsd.keratadze.at/49783B907533E6
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/49783B907533E6
http://xlowfznrg4wf7dli.ONION/49783B907533E6
Extracted
C:\Program Files\7-Zip\Lang\_RECOVERY_+nyglg.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/C4B7A89301E5B2B
http://tes543berda73i48fsdfsd.keratadze.at/C4B7A89301E5B2B
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/C4B7A89301E5B2B
http://xlowfznrg4wf7dli.ONION/C4B7A89301E5B2B
Targets
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Target
VirusShare_3b240ca653bd5467b19e195889c07c6e
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Size
369KB
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MD5
3b240ca653bd5467b19e195889c07c6e
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SHA1
bfb732fd34099fb9f4467cfab185a4bf3bb28e95
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SHA256
62aaa2a24236be5ae371e5851370f24e6261025cf4bf539b7c40bdefc6ad07e6
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SHA512
32242830aaf7fee32d16e86da4d602640fd360f24ae309bc5391c130ca384b951ac97f9ecc1f596bd7c7b3933c589dbd87ee872b4dfd8cda62835143e04e0296
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SSDEEP
6144:fo07Ev9jgh+J0J+l/moekR1MlvlMa0FIe03ncsCMYZx/FqDN6TETpspvQrMX1r9:ftQVG+JIe/mGzMNlMVFC3Xi/YwOi
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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 (425) 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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