Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2024 03:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
720b2ea1f1308f4b0ab7b33446676d92_JaffaCakes118.exe
Resource
win7-20241010-en
windows7-x64
16 signatures
150 seconds
General
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Target
720b2ea1f1308f4b0ab7b33446676d92_JaffaCakes118.exe
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Size
664KB
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MD5
720b2ea1f1308f4b0ab7b33446676d92
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SHA1
913ac9f923bd779a5ece2cea874ff1dbd3288b20
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SHA256
e201e787e648b66f2871d699d3585b6c32eaa75c1c060d8abf2424d7afe51bc4
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SHA512
c1d217f9d5023f7f03b0456cb51bc979a0bc4b271691ff127752c7aa7c7378eebd5c46dd1cb34e65ad02880f073447255eea4d0d3c2a911d837cb5b592dea8ae
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SSDEEP
12288:iaGmHwYguLpRHjSJsizHMwSN01alIdliry0Lk9d2QjVOh3FwF+xfdGr8e21I9rHP:X9Glzuqtd2Q8GM5s
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
278.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\Windupdt\\winupdate.exe" 278.exe -
Processes:
explorer.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" explorer.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
explorer.exedescription ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" explorer.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
278.exeexplorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 278.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
Executes dropped EXE 1 IoCs
Processes:
278.exepid Process 3452 278.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
notepad.exe278.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\system32\\Windupdt\\winupdate.exe" notepad.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\system32\\Windupdt\\winupdate.exe" 278.exe -
Drops file in System32 directory 4 IoCs
Processes:
278.exenotepad.exedescription ioc Process File created C:\Windows\SysWOW64\Windupdt\winupdate.exe 278.exe File opened for modification C:\Windows\SysWOW64\Windupdt\winupdate.exe 278.exe File opened for modification C:\Windows\SysWOW64\Windupdt\winupdate.exe notepad.exe File opened for modification C:\Windows\SysWOW64\Windupdt\ 278.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
278.exedescription pid Process procid_target PID 3452 set thread context of 3940 3452 278.exe 95 -
Processes:
resource yara_rule behavioral2/files/0x000c000000023b3f-5.dat upx behavioral2/memory/3452-8-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3940-17-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3940-18-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3940-19-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3452-22-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3940-23-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3940-21-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3940-26-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3940-25-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3940-27-0x0000000013140000-0x00000000131FD000-memory.dmp upx behavioral2/memory/3940-28-0x0000000013140000-0x00000000131FD000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
notepad.exe278.exenotepad.exeexplorer.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 278.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
explorer.exe278.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 278.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 278.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 278.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 278.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
278.exeexplorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 278.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
278.exeexplorer.exedescription pid Process Token: SeIncreaseQuotaPrivilege 3452 278.exe Token: SeSecurityPrivilege 3452 278.exe Token: SeTakeOwnershipPrivilege 3452 278.exe Token: SeLoadDriverPrivilege 3452 278.exe Token: SeSystemProfilePrivilege 3452 278.exe Token: SeSystemtimePrivilege 3452 278.exe Token: SeProfSingleProcessPrivilege 3452 278.exe Token: SeIncBasePriorityPrivilege 3452 278.exe Token: SeCreatePagefilePrivilege 3452 278.exe Token: SeBackupPrivilege 3452 278.exe Token: SeRestorePrivilege 3452 278.exe Token: SeShutdownPrivilege 3452 278.exe Token: SeDebugPrivilege 3452 278.exe Token: SeSystemEnvironmentPrivilege 3452 278.exe Token: SeChangeNotifyPrivilege 3452 278.exe Token: SeRemoteShutdownPrivilege 3452 278.exe Token: SeUndockPrivilege 3452 278.exe Token: SeManageVolumePrivilege 3452 278.exe Token: SeImpersonatePrivilege 3452 278.exe Token: SeCreateGlobalPrivilege 3452 278.exe Token: 33 3452 278.exe Token: 34 3452 278.exe Token: 35 3452 278.exe Token: 36 3452 278.exe Token: SeIncreaseQuotaPrivilege 3940 explorer.exe Token: SeSecurityPrivilege 3940 explorer.exe Token: SeTakeOwnershipPrivilege 3940 explorer.exe Token: SeLoadDriverPrivilege 3940 explorer.exe Token: SeSystemProfilePrivilege 3940 explorer.exe Token: SeSystemtimePrivilege 3940 explorer.exe Token: SeProfSingleProcessPrivilege 3940 explorer.exe Token: SeIncBasePriorityPrivilege 3940 explorer.exe Token: SeCreatePagefilePrivilege 3940 explorer.exe Token: SeBackupPrivilege 3940 explorer.exe Token: SeRestorePrivilege 3940 explorer.exe Token: SeShutdownPrivilege 3940 explorer.exe Token: SeDebugPrivilege 3940 explorer.exe Token: SeSystemEnvironmentPrivilege 3940 explorer.exe Token: SeChangeNotifyPrivilege 3940 explorer.exe Token: SeRemoteShutdownPrivilege 3940 explorer.exe Token: SeUndockPrivilege 3940 explorer.exe Token: SeManageVolumePrivilege 3940 explorer.exe Token: SeImpersonatePrivilege 3940 explorer.exe Token: SeCreateGlobalPrivilege 3940 explorer.exe Token: 33 3940 explorer.exe Token: 34 3940 explorer.exe Token: 35 3940 explorer.exe Token: 36 3940 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
explorer.exepid Process 3940 explorer.exe -
Suspicious use of WriteProcessMemory 53 IoCs
Processes:
720b2ea1f1308f4b0ab7b33446676d92_JaffaCakes118.exe278.exeexplorer.exedescription pid Process procid_target PID 760 wrote to memory of 3452 760 720b2ea1f1308f4b0ab7b33446676d92_JaffaCakes118.exe 85 PID 760 wrote to memory of 3452 760 720b2ea1f1308f4b0ab7b33446676d92_JaffaCakes118.exe 85 PID 760 wrote to memory of 3452 760 720b2ea1f1308f4b0ab7b33446676d92_JaffaCakes118.exe 85 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3884 3452 278.exe 86 PID 3452 wrote to memory of 3940 3452 278.exe 95 PID 3452 wrote to memory of 3940 3452 278.exe 95 PID 3452 wrote to memory of 3940 3452 278.exe 95 PID 3452 wrote to memory of 3940 3452 278.exe 95 PID 3452 wrote to memory of 3940 3452 278.exe 95 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96 PID 3940 wrote to memory of 2772 3940 explorer.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\720b2ea1f1308f4b0ab7b33446676d92_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\720b2ea1f1308f4b0ab7b33446676d92_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Users\Admin\AppData\Local\Temp\278.exeC:\Users\Admin\AppData\Local\Temp\278.exe2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:3884
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe4⤵
- System Location Discovery: System Language Discovery
PID:2772
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
242KB
MD56f82ee84d007f171aa80e61162295527
SHA19d57fbf65a7102e704eedef24caead19ab6c03e6
SHA25619afbe7b02398c44333e71b738a693e80e5062816a82003ecc28b581a13dbe9f
SHA5125257884ac7be77f7c8eae05a0e4a88583751688770ff38701456e2eb6b05fe1bdb4063e2ab5e4d63075dd0ce833ae6c786f1fe207f2428342968addc9084a9f0