Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
20-09-2024 19:12
Static task
static1
Behavioral task
behavioral1
Sample
ee405277b852e50900286c0c459bb825_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
ee405277b852e50900286c0c459bb825_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ee405277b852e50900286c0c459bb825_JaffaCakes118.exe
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Size
498KB
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MD5
ee405277b852e50900286c0c459bb825
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SHA1
0f928867aee0ae01752ec28c818a9844658eaa5c
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SHA256
dc3b158e06ca5cb37f35a96aee39fd000ed5a1a26ef69ad8a7e6d39a6f228ebd
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SHA512
d0c5651bbc443553d840ecde25ab0ea926eab9be21335e2e4ac7aed7ae1258aa54168748fc8a3e742a90bda44dbc3bda2faef5514215291e76f87a82f2005a72
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SSDEEP
12288:CjyvdbX024ALz8LSK8bCElahx0Ntu4Z810AioUPxa6uf3I9W:UMdbxd/CElS0C4Z8ENPxFufY
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe" ee405277b852e50900286c0c459bb825_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe" services.exe -
Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run ee405277b852e50900286c0c459bb825_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe" ee405277b852e50900286c0c459bb825_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe" services.exe -
Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y} ee405277b852e50900286c0c459bb825_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\ ee405277b852e50900286c0c459bb825_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe" ee405277b852e50900286c0c459bb825_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\ services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe" services.exe -
Executes dropped EXE 2 IoCs
pid Process 2836 fservice.exe 1312 services.exe -
Loads dropped DLL 4 IoCs
pid Process 2384 ee405277b852e50900286c0c459bb825_JaffaCakes118.exe 2384 ee405277b852e50900286c0c459bb825_JaffaCakes118.exe 1312 services.exe 1312 services.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ ee405277b852e50900286c0c459bb825_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ services.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\fservice.exe ee405277b852e50900286c0c459bb825_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\fservice.exe ee405277b852e50900286c0c459bb825_JaffaCakes118.exe File created C:\Windows\SysWOW64\fservice.exe fservice.exe File opened for modification C:\Windows\SysWOW64\fservice.exe fservice.exe File created C:\Windows\SysWOW64\winkey.dll services.exe File created C:\Windows\SysWOW64\reginv.dll services.exe File created C:\Windows\SysWOW64\fservice.exe services.exe -
Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\system\sservice.exe ee405277b852e50900286c0c459bb825_JaffaCakes118.exe File created C:\Windows\services.exe fservice.exe File opened for modification C:\Windows\services.exe fservice.exe File created C:\Windows\system\sservice.exe fservice.exe File opened for modification C:\Windows\system\sservice.exe fservice.exe File created C:\Windows\system\sservice.exe services.exe File opened for modification C:\Windows\system\sservice.exe services.exe File created C:\Windows\system\sservice.exe ee405277b852e50900286c0c459bb825_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NET.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ee405277b852e50900286c0c459bb825_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fservice.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NET.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2384 ee405277b852e50900286c0c459bb825_JaffaCakes118.exe 2836 fservice.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe 1312 services.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1312 services.exe 1312 services.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2836 2384 ee405277b852e50900286c0c459bb825_JaffaCakes118.exe 31 PID 2384 wrote to memory of 2836 2384 ee405277b852e50900286c0c459bb825_JaffaCakes118.exe 31 PID 2384 wrote to memory of 2836 2384 ee405277b852e50900286c0c459bb825_JaffaCakes118.exe 31 PID 2384 wrote to memory of 2836 2384 ee405277b852e50900286c0c459bb825_JaffaCakes118.exe 31 PID 2836 wrote to memory of 1312 2836 fservice.exe 32 PID 2836 wrote to memory of 1312 2836 fservice.exe 32 PID 2836 wrote to memory of 1312 2836 fservice.exe 32 PID 2836 wrote to memory of 1312 2836 fservice.exe 32 PID 1312 wrote to memory of 1676 1312 services.exe 33 PID 1312 wrote to memory of 1676 1312 services.exe 33 PID 1312 wrote to memory of 1676 1312 services.exe 33 PID 1312 wrote to memory of 1676 1312 services.exe 33 PID 1312 wrote to memory of 1796 1312 services.exe 34 PID 1312 wrote to memory of 1796 1312 services.exe 34 PID 1312 wrote to memory of 1796 1312 services.exe 34 PID 1312 wrote to memory of 1796 1312 services.exe 34 PID 1796 wrote to memory of 1296 1796 NET.exe 37 PID 1796 wrote to memory of 1296 1796 NET.exe 37 PID 1796 wrote to memory of 1296 1796 NET.exe 37 PID 1796 wrote to memory of 1296 1796 NET.exe 37 PID 1676 wrote to memory of 1680 1676 NET.exe 38 PID 1676 wrote to memory of 1680 1676 NET.exe 38 PID 1676 wrote to memory of 1680 1676 NET.exe 38 PID 1676 wrote to memory of 1680 1676 NET.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\ee405277b852e50900286c0c459bb825_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ee405277b852e50900286c0c459bb825_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\SysWOW64\fservice.exeC:\Windows\system32\fservice.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Windows\services.exeC:\Windows\services.exe -XP3⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1312 -
C:\Windows\SysWOW64\NET.exeNET STOP srservice4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP srservice5⤵
- System Location Discovery: System Language Discovery
PID:1680
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C:\Windows\SysWOW64\NET.exeNET STOP navapsvc4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP navapsvc5⤵
- System Location Discovery: System Language Discovery
PID:1296
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Replay Monitor
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Downloads
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Filesize
498KB
MD5ee405277b852e50900286c0c459bb825
SHA10f928867aee0ae01752ec28c818a9844658eaa5c
SHA256dc3b158e06ca5cb37f35a96aee39fd000ed5a1a26ef69ad8a7e6d39a6f228ebd
SHA512d0c5651bbc443553d840ecde25ab0ea926eab9be21335e2e4ac7aed7ae1258aa54168748fc8a3e742a90bda44dbc3bda2faef5514215291e76f87a82f2005a72
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Filesize
36KB
MD5d4a3f90e159ffbcbc4f9740de4b7f171
SHA10542f5d1e2c23dca8d90766b3a8537dc3880e5c9
SHA2562200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77
SHA5125493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94
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Filesize
24KB
MD543e7d9b875c921ba6be38d45540fb9dd
SHA1f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4
SHA256f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b
SHA5122e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622