General
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Target
d818966749acd83dc9fa5d73d5a47f2e_JaffaCakes118
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Size
424KB
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Sample
241208-vkblbazkgv
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MD5
d818966749acd83dc9fa5d73d5a47f2e
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SHA1
4c3a30cd2c8c396ff90aa4ebcba63d89a9cfce50
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SHA256
4a015db95a1e6db8123e4b21dfe56e34fabf570261b6d2a0a11c0abb282a3363
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SHA512
1fde3f7a05b877184a4676db15e6c4ae6efb8847dacb4226887b9f67097996e0533e2eb7b7aab11d3cbe902f8abc7b75ab4981e2b4cd115051c4a89d2d9fc446
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SSDEEP
6144:BsPAYJDo2magV+8GUEmGM41DwAHQmjdN1AUL0yogLpWPoXbftChXW3AxfulDGgB:ep808fEmLqDwAJjpA+E+blCJxfS6
Static task
static1
Behavioral task
behavioral1
Sample
d818966749acd83dc9fa5d73d5a47f2e_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d818966749acd83dc9fa5d73d5a47f2e_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECoVERY_+mnjok.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/7BEB6AA3F8CB1E10
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/7BEB6AA3F8CB1E10
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/7BEB6AA3F8CB1E10
http://xlowfznrg4wf7dli.ONION/7BEB6AA3F8CB1E10
Extracted
C:\Program Files\7-Zip\Lang\_RECoVERY_+bkkla.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/B6259594299A48D2
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/B6259594299A48D2
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/B6259594299A48D2
http://xlowfznrg4wf7dli.ONION/B6259594299A48D2
Targets
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Target
d818966749acd83dc9fa5d73d5a47f2e_JaffaCakes118
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Size
424KB
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MD5
d818966749acd83dc9fa5d73d5a47f2e
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SHA1
4c3a30cd2c8c396ff90aa4ebcba63d89a9cfce50
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SHA256
4a015db95a1e6db8123e4b21dfe56e34fabf570261b6d2a0a11c0abb282a3363
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SHA512
1fde3f7a05b877184a4676db15e6c4ae6efb8847dacb4226887b9f67097996e0533e2eb7b7aab11d3cbe902f8abc7b75ab4981e2b4cd115051c4a89d2d9fc446
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SSDEEP
6144:BsPAYJDo2magV+8GUEmGM41DwAHQmjdN1AUL0yogLpWPoXbftChXW3AxfulDGgB:ep808fEmLqDwAJjpA+E+blCJxfS6
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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 (414) 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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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