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General
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Target
4bb4385452699658f4576b4df4f498ec_JaffaCakes118
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Size
348KB
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Sample
241016-gwbhssweqe
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MD5
4bb4385452699658f4576b4df4f498ec
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SHA1
23ff564eb0a0c0a8c5113ebe2316c0f3780d6adb
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SHA256
ff61bf7f092da880bc01d6916c90163bfdd54d5de787d7995bd73034e471da4f
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SHA512
1407efce7fc1b0bc4e3e4586aeba21114aece9c58fbce2179a40fd043aedd50ce2fd2ca4c8233862041b443f984c41aa85ac8dda66d1029ad49c86268bd1977a
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SSDEEP
6144:uuTS7jkGKlY1DI/D4ANTLfWHenmxadef3msPbnSLavUg0T1SmhGMvX/J+:uuTS7BKxDfTLuHenmx5msPbnSLavUwSx
Static task
static1
Behavioral task
behavioral1
Sample
4bb4385452699658f4576b4df4f498ec_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4bb4385452699658f4576b4df4f498ec_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\how_recover+lni.txt
http://vr6g2curb2kcidou.encpayment23.com/AFCAFFB24D9DC8F
http://vr6g2curb2kcidou.expay34.com/AFCAFFB24D9DC8F
http://psbc532jm8c.hsh73cu37n1.net/AFCAFFB24D9DC8F
https://vr6g2curb2kcidou.onion.to/AFCAFFB24D9DC8F
http://vr6g2curb2kcidou.onion/AFCAFFB24D9DC8F
Extracted
C:\Program Files\7-Zip\Lang\how_recover+ikd.txt
http://vr6g2curb2kcidou.encpayment23.com/7A42DCF29C8C53D2
http://vr6g2curb2kcidou.expay34.com/7A42DCF29C8C53D2
http://psbc532jm8c.hsh73cu37n1.net/7A42DCF29C8C53D2
https://vr6g2curb2kcidou.onion.to/7A42DCF29C8C53D2
http://vr6g2curb2kcidou.onion/7A42DCF29C8C53D2
Targets
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Target
4bb4385452699658f4576b4df4f498ec_JaffaCakes118
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Size
348KB
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MD5
4bb4385452699658f4576b4df4f498ec
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SHA1
23ff564eb0a0c0a8c5113ebe2316c0f3780d6adb
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SHA256
ff61bf7f092da880bc01d6916c90163bfdd54d5de787d7995bd73034e471da4f
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SHA512
1407efce7fc1b0bc4e3e4586aeba21114aece9c58fbce2179a40fd043aedd50ce2fd2ca4c8233862041b443f984c41aa85ac8dda66d1029ad49c86268bd1977a
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SSDEEP
6144:uuTS7jkGKlY1DI/D4ANTLfWHenmxadef3msPbnSLavUg0T1SmhGMvX/J+:uuTS7BKxDfTLuHenmx5msPbnSLavUwSx
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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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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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
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