General
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Target
e3c7a712d0aa4db4b62ca2a2abc3af89_JaffaCakes118
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Size
396KB
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Sample
241212-aaymwaxnhq
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MD5
e3c7a712d0aa4db4b62ca2a2abc3af89
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SHA1
80ebc294329a7d40e6ac13feedf0b5554fdf8a38
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SHA256
c46d526ed752a808427220c412135972ed2fbfac2476b9fcd6b74b330e4dc9a3
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SHA512
814df1437244043bfd5a7803b208695badc87b3a862f24f25b838b8eaee82c91314d5fdd2f52286494fd2499da48a1efb4738235eddc94bd04b7dc14d4cde8fb
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SSDEEP
6144:Z0sTdSkul5CpfZsu43jx0HdEouuj5axxn7JCpIKxZU/bc92A6mJOl:qG7pfZsu43d0HdEFuj5EpNbWAcsoOl
Static task
static1
Behavioral task
behavioral1
Sample
e3c7a712d0aa4db4b62ca2a2abc3af89_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
e3c7a712d0aa4db4b62ca2a2abc3af89_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECoVERY_+agtxt.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A3DB5B3EB7FF385
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A3DB5B3EB7FF385
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A3DB5B3EB7FF385
http://xlowfznrg4wf7dli.ONION/A3DB5B3EB7FF385
Extracted
C:\Program Files\7-Zip\Lang\_RECoVERY_+qrhxi.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/519F19C117E8F74A
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/519F19C117E8F74A
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/519F19C117E8F74A
http://xlowfznrg4wf7dli.ONION/519F19C117E8F74A
Targets
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Target
e3c7a712d0aa4db4b62ca2a2abc3af89_JaffaCakes118
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Size
396KB
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MD5
e3c7a712d0aa4db4b62ca2a2abc3af89
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SHA1
80ebc294329a7d40e6ac13feedf0b5554fdf8a38
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SHA256
c46d526ed752a808427220c412135972ed2fbfac2476b9fcd6b74b330e4dc9a3
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SHA512
814df1437244043bfd5a7803b208695badc87b3a862f24f25b838b8eaee82c91314d5fdd2f52286494fd2499da48a1efb4738235eddc94bd04b7dc14d4cde8fb
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SSDEEP
6144:Z0sTdSkul5CpfZsu43jx0HdEouuj5axxn7JCpIKxZU/bc92A6mJOl:qG7pfZsu43d0HdEFuj5EpNbWAcsoOl
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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 (419) 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