Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2024 11:45
Static task
static1
Behavioral task
behavioral1
Sample
5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe
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Size
627KB
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MD5
5bcf0f37305ebce0fdfc50ab5248538e
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SHA1
7f745e4bc25108537f4101e4f2d2875e1ecd7641
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SHA256
e04d1bc1055fc9b59d08eccc069d07678bd60d3118060ba8749878ef3ede996e
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SHA512
402b06fb5f53eaebac9b9e0bca4dddfa903f7caf93a7c8aa1866a6f999304bd366fd262226ae2adebf11ba697d57b28f2efd38293f5db6f4578b10de8dd1b588
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SSDEEP
12288:9Ahs6qnD9jMttVYiNFJ8bybqxkbYEH3ubNaPq7VUWrsfKL5qyn3ly6YH:+btt2kVMkbju5qWrsfKL5Tly6c
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Rixos\rixos.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Rixos\\rixos.exe:*:Enabled:Windows Messanger" reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run wmpnetk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\blank = "C:\\Users\\Admin\\AppData\\Roaming\\Rixos\\rixos.exe" wmpnetk.exe -
Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\blank\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Rixos\\rixos.exe" wmpnetk.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\blank wmpnetk.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\blank\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Rixos\\rixos.exe" wmpnetk.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\blank wmpnetk.exe -
Executes dropped EXE 1 IoCs
pid Process 3640 wmpnetk.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\blank = "C:\\Users\\Admin\\AppData\\Roaming\\Rixos\\rixos.exe" wmpnetk.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blank = "C:\\Users\\Admin\\AppData\\Roaming\\Rixos\\rixos.exe" wmpnetk.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4452 set thread context of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 -
Modifies registry key 1 TTPs 4 IoCs
pid Process 468 reg.exe 1556 reg.exe 928 reg.exe 3876 reg.exe -
NTFS ADS 1 IoCs
description ioc Process File created C:\ProgramData\Product\Product\1.0.0.0\.exe:ZONE.identifier cmd.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3640 wmpnetk.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 3640 wmpnetk.exe Token: SeCreateTokenPrivilege 3640 wmpnetk.exe Token: SeAssignPrimaryTokenPrivilege 3640 wmpnetk.exe Token: SeLockMemoryPrivilege 3640 wmpnetk.exe Token: SeIncreaseQuotaPrivilege 3640 wmpnetk.exe Token: SeMachineAccountPrivilege 3640 wmpnetk.exe Token: SeTcbPrivilege 3640 wmpnetk.exe Token: SeSecurityPrivilege 3640 wmpnetk.exe Token: SeTakeOwnershipPrivilege 3640 wmpnetk.exe Token: SeLoadDriverPrivilege 3640 wmpnetk.exe Token: SeSystemProfilePrivilege 3640 wmpnetk.exe Token: SeSystemtimePrivilege 3640 wmpnetk.exe Token: SeProfSingleProcessPrivilege 3640 wmpnetk.exe Token: SeIncBasePriorityPrivilege 3640 wmpnetk.exe Token: SeCreatePagefilePrivilege 3640 wmpnetk.exe Token: SeCreatePermanentPrivilege 3640 wmpnetk.exe Token: SeBackupPrivilege 3640 wmpnetk.exe Token: SeRestorePrivilege 3640 wmpnetk.exe Token: SeShutdownPrivilege 3640 wmpnetk.exe Token: SeDebugPrivilege 3640 wmpnetk.exe Token: SeAuditPrivilege 3640 wmpnetk.exe Token: SeSystemEnvironmentPrivilege 3640 wmpnetk.exe Token: SeChangeNotifyPrivilege 3640 wmpnetk.exe Token: SeRemoteShutdownPrivilege 3640 wmpnetk.exe Token: SeUndockPrivilege 3640 wmpnetk.exe Token: SeSyncAgentPrivilege 3640 wmpnetk.exe Token: SeEnableDelegationPrivilege 3640 wmpnetk.exe Token: SeManageVolumePrivilege 3640 wmpnetk.exe Token: SeImpersonatePrivilege 3640 wmpnetk.exe Token: SeCreateGlobalPrivilege 3640 wmpnetk.exe Token: 31 3640 wmpnetk.exe Token: 32 3640 wmpnetk.exe Token: 33 3640 wmpnetk.exe Token: 34 3640 wmpnetk.exe Token: 35 3640 wmpnetk.exe Token: SeDebugPrivilege 3640 wmpnetk.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3640 wmpnetk.exe 3640 wmpnetk.exe 3640 wmpnetk.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 3640 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 84 PID 4452 wrote to memory of 2256 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 87 PID 4452 wrote to memory of 2256 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 87 PID 4452 wrote to memory of 2256 4452 5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe 87 PID 3640 wrote to memory of 2040 3640 wmpnetk.exe 89 PID 3640 wrote to memory of 2040 3640 wmpnetk.exe 89 PID 3640 wrote to memory of 2040 3640 wmpnetk.exe 89 PID 3640 wrote to memory of 1420 3640 wmpnetk.exe 90 PID 3640 wrote to memory of 1420 3640 wmpnetk.exe 90 PID 3640 wrote to memory of 1420 3640 wmpnetk.exe 90 PID 3640 wrote to memory of 3860 3640 wmpnetk.exe 91 PID 3640 wrote to memory of 3860 3640 wmpnetk.exe 91 PID 3640 wrote to memory of 3860 3640 wmpnetk.exe 91 PID 3640 wrote to memory of 2796 3640 wmpnetk.exe 92 PID 3640 wrote to memory of 2796 3640 wmpnetk.exe 92 PID 3640 wrote to memory of 2796 3640 wmpnetk.exe 92 PID 1420 wrote to memory of 468 1420 cmd.exe 98 PID 1420 wrote to memory of 468 1420 cmd.exe 98 PID 1420 wrote to memory of 468 1420 cmd.exe 98 PID 3860 wrote to memory of 928 3860 cmd.exe 99 PID 3860 wrote to memory of 928 3860 cmd.exe 99 PID 3860 wrote to memory of 928 3860 cmd.exe 99 PID 2796 wrote to memory of 1556 2796 cmd.exe 100 PID 2796 wrote to memory of 1556 2796 cmd.exe 100 PID 2796 wrote to memory of 1556 2796 cmd.exe 100 PID 2040 wrote to memory of 3876 2040 cmd.exe 101 PID 2040 wrote to memory of 3876 2040 cmd.exe 101 PID 2040 wrote to memory of 3876 2040 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Users\Admin\AppData\Local\Temp\wmpnetk.exeC:\Users\Admin\AppData\Local\Temp\wmpnetk.exe2⤵
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:3876
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f3⤵
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\5bcf0f37305ebce0fdfc50ab5248538e_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:468
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:928
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Rixos\rixos.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Rixos\rixos.exe:*:Enabled:Windows Messanger" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Rixos\rixos.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Rixos\rixos.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:1556
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C:\Windows\SysWOW64\cmd.exe"cmd"2⤵
- NTFS ADS
PID:2256
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34