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Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/09/2024, 15:32
Static task
static1
Behavioral task
behavioral1
Sample
eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
Resource
win10v2004-20240910-en
General
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Target
eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe
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Size
1.9MB
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MD5
eba29d7c748c07c33334aeb39f1bfe0e
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SHA1
c1dea7399bbc1ce4269bcd95cfe74d096b342392
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SHA256
10bc207a49c42553abfdaf6bad13228ed662c38de58a8132c3c7155f7319163b
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SHA512
d43c44575afa3d60f836df6d2a2271c06ace31ebf2a38f81572b8948b021c9c11ab3dd4efa377c3801410f52a77c016fc4a34f83e0c1550d75e548984a54d0d9
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SSDEEP
12288:4vO2jCbhwdKLPYs0E55JJ5PsLk1rmiUpXwN0PxNBxliM5MPSx/B6zc:emYsL55heZd5PiMsSx/B6zc
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" eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe" winlogon.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 eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe" eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe" winlogon.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} eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\ eba29d7c748c07c33334aeb39f1bfe0e_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" eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\ winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe" winlogon.exe -
Executes dropped EXE 2 IoCs
pid Process 2724 fservice.exe 2524 winlogon.exe -
Loads dropped DLL 6 IoCs
pid Process 3064 eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe 3064 eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe 2524 winlogon.exe 2524 winlogon.exe 2724 fservice.exe 3064 eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ winlogon.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\fservice.exe eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\fservice.exe eba29d7c748c07c33334aeb39f1bfe0e_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\wininv.dll winlogon.exe File created C:\Windows\SysWOW64\winkey.dll winlogon.exe File created C:\Windows\SysWOW64\fservice.exe winlogon.exe -
Drops file in Windows directory 8 IoCs
description ioc Process File created C:\Windows\system\sservice.exe eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe File opened for modification C:\Windows\system\sservice.exe eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe File created C:\Windows\winlogon.exe fservice.exe File opened for modification C:\Windows\winlogon.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 winlogon.exe File opened for modification C:\Windows\system\sservice.exe winlogon.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 winlogon.exe 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 eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fservice.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2524 winlogon.exe 2524 winlogon.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3064 wrote to memory of 2724 3064 eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe 30 PID 3064 wrote to memory of 2724 3064 eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe 30 PID 3064 wrote to memory of 2724 3064 eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe 30 PID 3064 wrote to memory of 2724 3064 eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe 30 PID 2724 wrote to memory of 2524 2724 fservice.exe 31 PID 2724 wrote to memory of 2524 2724 fservice.exe 31 PID 2724 wrote to memory of 2524 2724 fservice.exe 31 PID 2724 wrote to memory of 2524 2724 fservice.exe 31 PID 2524 wrote to memory of 2876 2524 winlogon.exe 32 PID 2524 wrote to memory of 2876 2524 winlogon.exe 32 PID 2524 wrote to memory of 2876 2524 winlogon.exe 32 PID 2524 wrote to memory of 2876 2524 winlogon.exe 32 PID 2876 wrote to memory of 2680 2876 NET.exe 34 PID 2876 wrote to memory of 2680 2876 NET.exe 34 PID 2876 wrote to memory of 2680 2876 NET.exe 34 PID 2876 wrote to memory of 2680 2876 NET.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\eba29d7c748c07c33334aeb39f1bfe0e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eba29d7c748c07c33334aeb39f1bfe0e_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 use of WriteProcessMemory
PID:3064 -
C:\Windows\SysWOW64\fservice.exeC:\Windows\system32\fservice.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\winlogon.exeC:\Windows\winlogon.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 use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\SysWOW64\NET.exeNET STOP SharedAccess4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP SharedAccess5⤵
- System Location Discovery: System Language Discovery
PID:2680
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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
2Privilege Escalation
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
1.9MB
MD5eba29d7c748c07c33334aeb39f1bfe0e
SHA1c1dea7399bbc1ce4269bcd95cfe74d096b342392
SHA25610bc207a49c42553abfdaf6bad13228ed662c38de58a8132c3c7155f7319163b
SHA512d43c44575afa3d60f836df6d2a2271c06ace31ebf2a38f81572b8948b021c9c11ab3dd4efa377c3801410f52a77c016fc4a34f83e0c1550d75e548984a54d0d9
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Filesize
24KB
MD5f44e9190900ae1ff43d951dc12691e6c
SHA1b17cb75f21486fdf0fff99c0313a7156a62653b8
SHA2561feb2aea58b433b163612d51f454862d9e2921624be878cb26d8609e2c6d1cc0
SHA5128d3c0fe7ccd4cae8bafedf08b92c6fd344a008063c9511def1c5399583336a2034543db15e75fdc42c16e70d14055263aac06240b457b57bd859520b4f3ba714
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Filesize
24KB
MD5c24d86c806c4b9f0783c486483b48097
SHA194ad47858a88ceea3e0b7ef0f0cd426490a85258
SHA256bd0316f0231bda178be580e8f66265b6e33ebd7d30eb24c9fbc7d69668f2bc70
SHA51280fccf0c26ae7497ed5f7fafb8b0e990af5a9b0f3799e35b17c9d309d4d4654b3ae6415f1f5e10923cacba8d60ad0e0e809b15feb4fc709ee55fd0fb49c10dbf