General
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Target
de01a09f896441e9533913bb82278391_JaffaCakes118
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Size
376KB
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Sample
241210-wky72sxkcr
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MD5
de01a09f896441e9533913bb82278391
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SHA1
d65824cc0c5b29864c7cac6b10f41fe516c0dd31
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SHA256
811740b4ecfe0bde80e90ec6f60fb17db109ccf7490345bb897276354ed31256
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SHA512
c8b0f54dc698a39e438ba7105d08632a05396ded5b2d2bb82e35d869e5595f9827d6246eb274657333411b80a9936cf291fd7e644f5b58a5450bdd228732b053
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SSDEEP
6144:te3rNhMeYq4CGRTs4kadSoKVStcmTVn57CpSCwsUbg62oXd:tY5hMfqwTsTKcmTV5kINEx+d
Static task
static1
Behavioral task
behavioral1
Sample
de01a09f896441e9533913bb82278391_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
de01a09f896441e9533913bb82278391_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+crfav.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/2F416F755E5B53F9
http://kkd47eh4hdjshb5t.angortra.at/2F416F755E5B53F9
http://ytrest84y5i456hghadefdsd.pontogrot.com/2F416F755E5B53F9
http://xlowfznrg4wf7dli.ONION/2F416F755E5B53F9
Extracted
C:\Program Files\7-Zip\Lang\Recovery+bvpts.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6E3290FC3A7FF738
http://kkd47eh4hdjshb5t.angortra.at/6E3290FC3A7FF738
http://ytrest84y5i456hghadefdsd.pontogrot.com/6E3290FC3A7FF738
http://xlowfznrg4wf7dli.ONION/6E3290FC3A7FF738
Targets
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Target
de01a09f896441e9533913bb82278391_JaffaCakes118
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Size
376KB
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MD5
de01a09f896441e9533913bb82278391
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SHA1
d65824cc0c5b29864c7cac6b10f41fe516c0dd31
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SHA256
811740b4ecfe0bde80e90ec6f60fb17db109ccf7490345bb897276354ed31256
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SHA512
c8b0f54dc698a39e438ba7105d08632a05396ded5b2d2bb82e35d869e5595f9827d6246eb274657333411b80a9936cf291fd7e644f5b58a5450bdd228732b053
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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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Teslacrypt family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (391) 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