General
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Target
050489ff4a10d6cc0897e237f6623e1b_JaffaCakes118
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Size
376KB
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Sample
241001-j92m9atdre
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MD5
050489ff4a10d6cc0897e237f6623e1b
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SHA1
c2f9927d5f5a8b50f18fa0a91684c9de02345201
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SHA256
c03c3fde100ab3c72104543c1dbb99f6110f24b4caa1b0846af985ebf6a45115
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SHA512
b8987b7f20379205b964954644a84acb98ad0daa8258a8b6267abea399ac1d2e79f3f17181d7f0b4fa6e7faa65c217999176ea4ec6fcae598844d24868c6b9b9
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SSDEEP
6144:te3rNhMeYq4CGRTs4kadSoKVStcmTVn57CpSCwsUbg62oXd:tY5hMfqwTsTKcmTV5kINEx+d
Static task
static1
Behavioral task
behavioral1
Sample
050489ff4a10d6cc0897e237f6623e1b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
050489ff4a10d6cc0897e237f6623e1b_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+ssxhe.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/7FF72EB84ACC1343
http://kkd47eh4hdjshb5t.angortra.at/7FF72EB84ACC1343
http://ytrest84y5i456hghadefdsd.pontogrot.com/7FF72EB84ACC1343
http://xlowfznrg4wf7dli.ONION/7FF72EB84ACC1343
Extracted
C:\Program Files\7-Zip\Lang\Recovery+vbdad.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D371ACCEEA29961
http://kkd47eh4hdjshb5t.angortra.at/D371ACCEEA29961
http://ytrest84y5i456hghadefdsd.pontogrot.com/D371ACCEEA29961
http://xlowfznrg4wf7dli.ONION/D371ACCEEA29961
Targets
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Target
050489ff4a10d6cc0897e237f6623e1b_JaffaCakes118
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Size
376KB
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MD5
050489ff4a10d6cc0897e237f6623e1b
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SHA1
c2f9927d5f5a8b50f18fa0a91684c9de02345201
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SHA256
c03c3fde100ab3c72104543c1dbb99f6110f24b4caa1b0846af985ebf6a45115
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SHA512
b8987b7f20379205b964954644a84acb98ad0daa8258a8b6267abea399ac1d2e79f3f17181d7f0b4fa6e7faa65c217999176ea4ec6fcae598844d24868c6b9b9
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SSDEEP
6144:te3rNhMeYq4CGRTs4kadSoKVStcmTVn57CpSCwsUbg62oXd:tY5hMfqwTsTKcmTV5kINEx+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 (409) 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