Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
21/08/2024, 00:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe
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Size
144KB
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MD5
b169fd8a7fae5f5b1dc4a723c897d972
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SHA1
e8dc1a4fef1f6681758ca30b9c7203c0975e47b3
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SHA256
ca3bac95d9b32921d36d72472705d0ba17be24982468c5f13c705979dc7966af
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SHA512
cd3ddea523cbecc8e6d8af091d9070068f3ca22c4915c9b838a870b0662cdad7d577e37975cb58d154ff3549f5978f57ec56596b15cb81ad4a3a67a3a87b8132
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SSDEEP
3072:tJe8k8jhNPGytPBFKJob11IhgLi6hRhz06yZLFbcpW:HLjhNuy1WoagLi4zJyZLFbcp
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe c:\\windows\\system32\\exys.exe" exys.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe c:\\windows\\system32\\exys.exe" exys.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe c:\\windows\\system32\\exys.exe" b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe c:\\windows\\system32\\exys.exe" b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" exys.exe -
Executes dropped EXE 1 IoCs
pid Process 2092 exys.exe -
Loads dropped DLL 2 IoCs
pid Process 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\SettingUpd = "c:\\users\\admin\\appdata\\local\\temp\\b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe" b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\SettingUpd = "c:\\users\\admin\\appdata\\local\\temp\\b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe" b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification \??\c:\windows\SysWOW64\exys.exe b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 exys.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 2092 exys.exe 2092 exys.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2136 wrote to memory of 2092 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 30 PID 2136 wrote to memory of 2092 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 30 PID 2136 wrote to memory of 2092 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 30 PID 2136 wrote to memory of 2092 2136 b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b169fd8a7fae5f5b1dc4a723c897d972_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2136 -
\??\c:\windows\SysWOW64\exys.exec:\windows\system32\exys.exe2⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2092
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
144KB
MD5b169fd8a7fae5f5b1dc4a723c897d972
SHA1e8dc1a4fef1f6681758ca30b9c7203c0975e47b3
SHA256ca3bac95d9b32921d36d72472705d0ba17be24982468c5f13c705979dc7966af
SHA512cd3ddea523cbecc8e6d8af091d9070068f3ca22c4915c9b838a870b0662cdad7d577e37975cb58d154ff3549f5978f57ec56596b15cb81ad4a3a67a3a87b8132