Analysis Overview
SHA256
90d7603e1ad56c35bf268e2a7035b9f2e3158ce284521bd07658073c22bd81b4
Threat Level: Known bad
The file 139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Impair Defenses: Safe Mode Boot
Modifies WinLogon
Unsigned PE
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 21:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 21:59
Reported
2024-06-26 22:02
Platform
win7-20240220-en
Max time kernel
150s
Max time network
123s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
Impair Defenses: Safe Mode Boot
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
Modifies WinLogon
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
Processes
C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe"
Network
Files
C:\Users\Admin\AppData\Local\Temp\xFoLOOOSErs.txt
| MD5 | a5db95b4f3fc7efac9e778ab083a81c8 |
| SHA1 | 51644a41f7ea811242293aef5d8e1adcf8748e7b |
| SHA256 | 6b706a9ffc39676de13f91ea1ea65b9230de531dc862855e08ad5f643a477b79 |
| SHA512 | 673d64cabeb20f99a94cdc71f108259ca6162be84d5885c335a39e3884e59d92f84ab771b9dd4eecd4b7228774f204cffdc0b1e0bf300f465930d3dfe180f071 |
memory/2308-14-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-24-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-34-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-47-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-57-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-67-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-78-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-90-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-100-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-111-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-123-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-133-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-144-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2308-154-0x0000000000400000-0x0000000000412000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 21:59
Reported
2024-06-26 22:02
Platform
win10v2004-20240226-en
Max time kernel
153s
Max time network
151s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
Impair Defenses: Safe Mode Boot
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\UserManager | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\SerCx2.sys | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\iai2c.sys | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\CBDHSvc | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
Modifies WinLogon
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ | C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
Processes
C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\139cb7b5f357a3ceb8be8b6e49d95491_JaffaCakes118.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3692 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.234.34.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\xFoLOOOSErs.txt
| MD5 | 8733192154d6eb4bc9d4f5e66e27bfb4 |
| SHA1 | bedfa1e6990f7d588297e520ad7eaaf39ea3f027 |
| SHA256 | 09ae95e5c4c699346075ed8d95c7b080bed5f121f839ff6801fd3a3407c5aaef |
| SHA512 | 67277d3b0a9e2c4ddaff19779b3f653b029059bffc23875849c02c852c5cf124b2ddc177dd71f9ebb815c4fa99b5a87f9f6c33081372108e17fbc31ecf7e2266 |
memory/2332-7-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-17-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-29-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-40-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-51-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-61-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-72-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-83-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-93-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-106-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-117-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-128-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-138-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2332-149-0x0000000000400000-0x0000000000412000-memory.dmp