General
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Target
2b4d5982e3909f16967246c9fc4d2451_JaffaCakes118
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Size
376KB
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Sample
241009-fnf8mszgnn
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MD5
2b4d5982e3909f16967246c9fc4d2451
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SHA1
2bd2a2d29679fe8cf68ab8f00ae9ed58f1506c06
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SHA256
535bc699baf41334ad3f15528af60df9a8421533068f3f09ed01df212b40b059
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SHA512
01d8716520cab4c226135116cc716d5337b54bcfd672fed8ef727b02560ecd1a16c8602bafbdc75fb65eb49f8af9d3add0658c116b9a574fe2183e2f2f9c68cb
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SSDEEP
6144:6e3rNhMeYq4CGRTs4kadSoKVStcmTVn57CpSCwsUbg62oXd:6Y5hMfqwTsTKcmTV5kINEx+d
Static task
static1
Behavioral task
behavioral1
Sample
2b4d5982e3909f16967246c9fc4d2451_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2b4d5982e3909f16967246c9fc4d2451_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+igjfx.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/9C478A68B158A78
http://kkd47eh4hdjshb5t.angortra.at/9C478A68B158A78
http://ytrest84y5i456hghadefdsd.pontogrot.com/9C478A68B158A78
http://xlowfznrg4wf7dli.ONION/9C478A68B158A78
Extracted
C:\Program Files\7-Zip\Lang\Recovery+olaqx.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/434147EBD91D22F4
http://kkd47eh4hdjshb5t.angortra.at/434147EBD91D22F4
http://ytrest84y5i456hghadefdsd.pontogrot.com/434147EBD91D22F4
http://xlowfznrg4wf7dli.ONION/434147EBD91D22F4
Targets
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Target
2b4d5982e3909f16967246c9fc4d2451_JaffaCakes118
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Size
376KB
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MD5
2b4d5982e3909f16967246c9fc4d2451
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SHA1
2bd2a2d29679fe8cf68ab8f00ae9ed58f1506c06
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SHA256
535bc699baf41334ad3f15528af60df9a8421533068f3f09ed01df212b40b059
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SHA512
01d8716520cab4c226135116cc716d5337b54bcfd672fed8ef727b02560ecd1a16c8602bafbdc75fb65eb49f8af9d3add0658c116b9a574fe2183e2f2f9c68cb
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SSDEEP
6144:6e3rNhMeYq4CGRTs4kadSoKVStcmTVn57CpSCwsUbg62oXd:6Y5hMfqwTsTKcmTV5kINEx+d
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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 (433) 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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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1