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General
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Target
4ac1d572ce059b68ecb6eeb49a301448_JaffaCakes118
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Size
340KB
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Sample
241016-be85vayfrl
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MD5
4ac1d572ce059b68ecb6eeb49a301448
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SHA1
46d3c4855149c65c6a19cd7b40395a75e7f4b079
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SHA256
8831c6c45353aac9fff7620319f0a9d317d90d8d395e1f26db8bfea7981f7885
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SHA512
fadc2107540baee4b6fd6c8d0a6bd29f522405ab0354653efa1aeb3040eb50f436dccf123e2e3ef3727f33bbc5a8cc4161a5fd3da09944043614a4e20d9ad69c
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SSDEEP
6144:yh+KdxqpmikDa5MzkF18LEATTPOx6p6c4/ci3kO:8+IyFdqzkjaE+4/hr
Static task
static1
Behavioral task
behavioral1
Sample
4ac1d572ce059b68ecb6eeb49a301448_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4ac1d572ce059b68ecb6eeb49a301448_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\restore_files_hmlem.txt
http://rtldkdh6.kghw88gh3eu.net/8233DD13B7C44D58
http://jsdf2wevw2.wrt23wqw34.net/8233DD13B7C44D58
https://7vhbukzxypxh3xfy.onion.to/8233DD13B7C44D58
http://7vhbukzxypxh3xfy.onion/8233DD13B7C44D58
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\restore_files_hmlem.html
https://7vhbukzxypxh3xfy.onion.to/8233DD13B7C44D58</a>
Extracted
C:\Program Files\7-Zip\Lang\restore_files_teoow.txt
http://rtldkdh6.kghw88gh3eu.net/7F4BE5CCD7A6224E
http://jsdf2wevw2.wrt23wqw34.net/7F4BE5CCD7A6224E
https://7vhbukzxypxh3xfy.onion.to/7F4BE5CCD7A6224E
http://7vhbukzxypxh3xfy.onion/7F4BE5CCD7A6224E
Extracted
C:\Program Files\7-Zip\Lang\restore_files_teoow.html
https://7vhbukzxypxh3xfy.onion.to/7F4BE5CCD7A6224E</a>
Targets
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Target
4ac1d572ce059b68ecb6eeb49a301448_JaffaCakes118
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Size
340KB
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MD5
4ac1d572ce059b68ecb6eeb49a301448
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SHA1
46d3c4855149c65c6a19cd7b40395a75e7f4b079
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SHA256
8831c6c45353aac9fff7620319f0a9d317d90d8d395e1f26db8bfea7981f7885
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SHA512
fadc2107540baee4b6fd6c8d0a6bd29f522405ab0354653efa1aeb3040eb50f436dccf123e2e3ef3727f33bbc5a8cc4161a5fd3da09944043614a4e20d9ad69c
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SSDEEP
6144:yh+KdxqpmikDa5MzkF18LEATTPOx6p6c4/ci3kO:8+IyFdqzkjaE+4/hr
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (421) 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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Loads dropped DLL
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1