General
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Target
e119b6242f793a4d536159060d8009f1_JaffaCakes118
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Size
328KB
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Sample
240914-1l9gmayclh
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MD5
e119b6242f793a4d536159060d8009f1
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SHA1
49cc5f9cfea5c01f77aa7d33192a28aa5089d464
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SHA256
2d160f802f2835b98ce31906dd6803476f014661c472f6478bd56bf811c7031a
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SHA512
213e08c6cbc5b474be91b4682e00156c26a259e3e262591165b8dd4d0b2a4df0f580ea6d8820e22594b978824e5f377688fa3a7ea923a90ad0f6517b86f14342
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SSDEEP
6144:lAOlfFYViOkjJEZE4fC/Q9D03bcPSl5xhUDV9kl+JKODK1QztG/7:lnf+ViDEyBQ6r/gDo8JKO4v7
Static task
static1
Behavioral task
behavioral1
Sample
e119b6242f793a4d536159060d8009f1_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
e119b6242f793a4d536159060d8009f1_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECOVERY_+eyvva.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/924123EAE73ACB9
http://tes543berda73i48fsdfsd.keratadze.at/924123EAE73ACB9
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/924123EAE73ACB9
http://xlowfznrg4wf7dli.ONION/924123EAE73ACB9
Extracted
C:\Program Files\7-Zip\Lang\_RECOVERY_+pfifi.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/845F10B0ECA64E6A
http://tes543berda73i48fsdfsd.keratadze.at/845F10B0ECA64E6A
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/845F10B0ECA64E6A
http://xlowfznrg4wf7dli.ONION/845F10B0ECA64E6A
Targets
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Target
e119b6242f793a4d536159060d8009f1_JaffaCakes118
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Size
328KB
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MD5
e119b6242f793a4d536159060d8009f1
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SHA1
49cc5f9cfea5c01f77aa7d33192a28aa5089d464
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SHA256
2d160f802f2835b98ce31906dd6803476f014661c472f6478bd56bf811c7031a
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SHA512
213e08c6cbc5b474be91b4682e00156c26a259e3e262591165b8dd4d0b2a4df0f580ea6d8820e22594b978824e5f377688fa3a7ea923a90ad0f6517b86f14342
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SSDEEP
6144:lAOlfFYViOkjJEZE4fC/Q9D03bcPSl5xhUDV9kl+JKODK1QztG/7:lnf+ViDEyBQ6r/gDo8JKO4v7
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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 (416) 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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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Suspicious use of SetThreadContext
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