General
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Target
ea7642ffb5c98e7f798f29129a64992e_JaffaCakes118
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Size
396KB
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Sample
241213-hsr7ta1phy
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MD5
ea7642ffb5c98e7f798f29129a64992e
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SHA1
3349fbba067b988f38fe202702dedbfab0a41183
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SHA256
7647f59703849df9663b9756a6f323ee3e59852463f21a7fc139828a3aa5802f
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SHA512
2f7c79b373fa7fca06eb93adbedbc6885de80a674ad111c59706492b594fa5d0963e580568924d660188554b31de057c7b700423edb81dfd1895aa054ffd59ca
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SSDEEP
12288:eVaauWatLv/kjWaesK3YSYJmlzFZ3IHmMr:e03DkjtLS5hVq
Static task
static1
Behavioral task
behavioral1
Sample
ea7642ffb5c98e7f798f29129a64992e_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ea7642ffb5c98e7f798f29129a64992e_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+odeng.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/763F6AF98DD94D
http://kkd47eh4hdjshb5t.angortra.at/763F6AF98DD94D
http://ytrest84y5i456hghadefdsd.pontogrot.com/763F6AF98DD94D
http://xlowfznrg4wf7dli.ONION/763F6AF98DD94D
Extracted
C:\Program Files\7-Zip\Lang\Recovery+rggva.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E4FF8DFCAAE6CC29
http://kkd47eh4hdjshb5t.angortra.at/E4FF8DFCAAE6CC29
http://ytrest84y5i456hghadefdsd.pontogrot.com/E4FF8DFCAAE6CC29
http://xlowfznrg4wf7dli.ONION/E4FF8DFCAAE6CC29
Targets
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Target
ea7642ffb5c98e7f798f29129a64992e_JaffaCakes118
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Size
396KB
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MD5
ea7642ffb5c98e7f798f29129a64992e
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SHA1
3349fbba067b988f38fe202702dedbfab0a41183
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SHA256
7647f59703849df9663b9756a6f323ee3e59852463f21a7fc139828a3aa5802f
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SHA512
2f7c79b373fa7fca06eb93adbedbc6885de80a674ad111c59706492b594fa5d0963e580568924d660188554b31de057c7b700423edb81dfd1895aa054ffd59ca
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SSDEEP
12288:eVaauWatLv/kjWaesK3YSYJmlzFZ3IHmMr:e03DkjtLS5hVq
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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 (427) 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
1Defense Evasion
Indicator Removal
2File Deletion
2Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1