Analysis Overview
SHA256
99ed9696332eab95e0de439fa61c1f7e6bb8235ec5e40b679bb003dd7413500a
Threat Level: Known bad
The file 0492f8c8547711f75e0ab55be38474d8_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Boot or Logon Autostart Execution: Active Setup
Adds policy Run key to start application
ASPack v2.12-2.42
Executes dropped EXE
Loads dropped DLL
UPX packed file
Unexpected DNS network traffic destination
Modifies WinLogon
Drops file in System32 directory
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Runs net.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-23 00:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-23 00:27
Reported
2024-06-23 00:29
Platform
win7-20240508-en
Max time kernel
150s
Max time network
122s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe" | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe" | C:\Windows\services.exe | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Windows\services.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe" | C:\Windows\services.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe" | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y} | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\ | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe" | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\ | C:\Windows\services.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe" | C:\Windows\services.exe | N/A |
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\fservice.exe | N/A |
| N/A | N/A | C:\Windows\services.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0492f8c8547711f75e0ab55be38474d8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0492f8c8547711f75e0ab55be38474d8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| N/A | N/A | C:\Windows\services.exe | N/A |
| N/A | N/A | C:\Windows\services.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\fservice.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 151.164.23.201 | N/A | N/A |
| Destination IP | 151.164.23.201 | N/A | 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\Exporer32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ | C:\Windows\services.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\fservice.exe | C:\Windows\services.exe | N/A |
| File created | C:\Windows\SysWOW64\fservice.exe | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\fservice.exe | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| File created | C:\Windows\SysWOW64\fservice.exe | C:\Windows\SysWOW64\fservice.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\fservice.exe | C:\Windows\SysWOW64\fservice.exe | N/A |
| File created | C:\Windows\SysWOW64\winkey.dll | C:\Windows\services.exe | N/A |
| File created | C:\Windows\SysWOW64\reginv.dll | C:\Windows\services.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system\sservice.exe | C:\Windows\SysWOW64\fservice.exe | N/A |
| File created | C:\Windows\system\sservice.exe | C:\Windows\services.exe | N/A |
| File opened for modification | C:\Windows\system\sservice.exe | C:\Windows\services.exe | N/A |
| File created | C:\Windows\system\sservice.exe | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| File opened for modification | C:\Windows\system\sservice.exe | C:\Users\Admin\AppData\Local\Temp\Exporer32.exe | N/A |
| File created | C:\Windows\services.exe | C:\Windows\SysWOW64\fservice.exe | N/A |
| File opened for modification | C:\Windows\services.exe | C:\Windows\SysWOW64\fservice.exe | N/A |
| File created | C:\Windows\system\sservice.exe | C:\Windows\SysWOW64\fservice.exe | N/A |
Enumerates physical storage devices
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0492f8c8547711f75e0ab55be38474d8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\services.exe | N/A |
| N/A | N/A | C:\Windows\services.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0492f8c8547711f75e0ab55be38474d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0492f8c8547711f75e0ab55be38474d8_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\Exporer32.exe
"C:\Users\Admin\AppData\Local\Temp\Exporer32.exe"
C:\Windows\SysWOW64\fservice.exe
C:\Windows\system32\fservice.exe
C:\Windows\services.exe
C:\Windows\services.exe -XP
C:\Windows\SysWOW64\NET.exe
NET STOP srservice
C:\Windows\SysWOW64\NET.exe
NET STOP navapsvc
C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Exporer32.exe.bat
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 STOP navapsvc
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 STOP srservice
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tcp | |
| US | 151.164.23.201:53 | tcp | |
| US | 8.8.8.8:53 | aku.edu.tr | udp |
| US | 8.8.8.8:53 | atauni.edu.tr | udp |
| US | 8.8.8.8:53 | ege.edu.tr | udp |
| US | 8.8.8.8:53 | ankara.edu.tr | udp |
| US | 151.164.23.201:53 | yahoo.com | udp |
Files
memory/2176-1-0x0000000000260000-0x0000000000354000-memory.dmp
memory/2176-0-0x0000000000360000-0x0000000000361000-memory.dmp
memory/2176-4-0x0000000000401000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\Exporer32.exe
| MD5 | 2403a5c1d025497c9b65f738fae744be |
| SHA1 | 2e66befa455197f49b444697c9e8a32a72edf994 |
| SHA256 | eb26194e0129d527ff6d9bdab894af9aaa7685273bf5ba6b75064b1803a3fb06 |
| SHA512 | a0a1b14a9649799629fd61d4e45823f347a6f82d8d91ad63c3c651be2a57723bb990181bc7e473a1752397c91a1d5227d303b1345f9691a6c6709ce1b0e5383a |
memory/2176-14-0x0000000005C10000-0x0000000005E0C000-memory.dmp
memory/2764-17-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2176-16-0x0000000000401000-0x0000000000414000-memory.dmp
memory/2176-15-0x0000000000400000-0x000000000052E000-memory.dmp
memory/2764-23-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2764-31-0x0000000003270000-0x000000000346C000-memory.dmp
memory/2764-30-0x0000000003270000-0x000000000346C000-memory.dmp
memory/2636-33-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2636-34-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2636-43-0x0000000003420000-0x000000000361C000-memory.dmp
memory/2656-49-0x0000000010000000-0x000000001000B000-memory.dmp
\Windows\SysWOW64\winkey.dll
| MD5 | b4c72da9fd1a0dcb0698b7da97daa0cd |
| SHA1 | b25a79e8ea4c723c58caab83aed6ea48de7ed759 |
| SHA256 | 45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f |
| SHA512 | f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066 |
memory/2656-46-0x0000000000400000-0x00000000005FC000-memory.dmp
\Windows\SysWOW64\reginv.dll
| MD5 | 562e0d01d6571fa2251a1e9f54c6cc69 |
| SHA1 | 83677ad3bc630aa6327253c7b3deffbd4a8ce905 |
| SHA256 | c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6 |
| SHA512 | 166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea |
C:\Users\Admin\AppData\Local\Temp\Exporer32.exe.bat
| MD5 | e83340ddc821c94bf7927e4c03855430 |
| SHA1 | e58d3d9aa5c582aacd499472c70f1b44b1e58237 |
| SHA256 | 1f4cb7f8aba8f62f950364993929c564dd1f717fbc97f0686c8735398d4a7b1f |
| SHA512 | 34ccad0991f1bf1cb15ed21a7a4d99265bd44916780049e7c99093f40fef2a008e99799a3c770797a950ca9befc1b6f34c3520b17f53575a120acb4b612d24c8 |
memory/2636-65-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2764-67-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-71-0x0000000010000000-0x000000001000B000-memory.dmp
memory/2656-70-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-72-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-74-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-75-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-77-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-79-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-81-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-83-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-85-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-87-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-89-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-91-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-93-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-95-0x0000000000400000-0x00000000005FC000-memory.dmp
memory/2656-97-0x0000000000400000-0x00000000005FC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-23 00:27
Reported
2024-06-23 00:29
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\0492f8c8547711f75e0ab55be38474d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0492f8c8547711f75e0ab55be38474d8_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 52.111.227.13:443 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2748-1-0x0000000002280000-0x0000000002374000-memory.dmp
memory/2748-0-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/2748-2-0x00000000006D0000-0x00000000006D1000-memory.dmp