Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-10-2024 03:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
17 signatures
150 seconds
General
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Target
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe
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Size
264KB
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MD5
45a7e70ef28d9d8504c5bd72ba13f3be
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SHA1
573a04603fdc55e04307727dd3816f316b894680
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SHA256
6a95367b492ae4c76fcba7778a7f5bd6a4161840eb44f7f57ac895e2c73f835b
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SHA512
fb4e701a2944d208a2a9904f894450fa7fb66b40cb7e0f19964866768e62f50569acee4e04c2ecbb8008eaeea122ca62d587f6a31f677f3bb48fa34359fda2eb
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SSDEEP
6144:sBDPC5+0V/3U5xifUntIIHFteqMTENVYvKMyHhRE4adf3aGfrfiFOl:sp++0V/3ojtsqMTEsvm4DikbiUl
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\driver\\winupdate.exe" 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
Processes:
winupdate.exedescription ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile winupdate.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1" winupdate.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" winupdate.exe -
Processes:
winupdate.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exewinupdate.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe -
Executes dropped EXE 2 IoCs
Processes:
winupdate.exewinupdate.exepid Process 2760 winupdate.exe 2744 winupdate.exe -
Processes:
winupdate.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\driver\\winupdate.exe" 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exewinupdate.exedescription pid Process procid_target PID 2072 set thread context of 332 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 31 PID 2760 set thread context of 2744 2760 winupdate.exe 34 -
Processes:
resource yara_rule behavioral1/memory/332-8-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-13-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-12-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-6-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-15-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-16-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-18-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-17-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-19-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-20-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-21-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/332-28-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-47-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-46-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-45-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-48-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-49-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-54-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-53-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-52-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-51-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-55-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-56-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-57-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-58-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-59-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-60-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-61-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-62-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-63-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-64-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-65-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-66-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-67-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-68-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-69-0x0000000000400000-0x00000000004B5000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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:
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exewinupdate.exewinupdate.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
winupdate.exe45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winupdate.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exewinupdate.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
Processes:
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exewinupdate.exedescription pid Process Token: SeIncreaseQuotaPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeSecurityPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeLoadDriverPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeSystemProfilePrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeSystemtimePrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeBackupPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeRestorePrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeShutdownPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeDebugPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeUndockPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeManageVolumePrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeImpersonatePrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: 33 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: 34 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: 35 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2744 winupdate.exe Token: SeSecurityPrivilege 2744 winupdate.exe Token: SeTakeOwnershipPrivilege 2744 winupdate.exe Token: SeLoadDriverPrivilege 2744 winupdate.exe Token: SeSystemProfilePrivilege 2744 winupdate.exe Token: SeSystemtimePrivilege 2744 winupdate.exe Token: SeProfSingleProcessPrivilege 2744 winupdate.exe Token: SeIncBasePriorityPrivilege 2744 winupdate.exe Token: SeCreatePagefilePrivilege 2744 winupdate.exe Token: SeBackupPrivilege 2744 winupdate.exe Token: SeRestorePrivilege 2744 winupdate.exe Token: SeShutdownPrivilege 2744 winupdate.exe Token: SeDebugPrivilege 2744 winupdate.exe Token: SeSystemEnvironmentPrivilege 2744 winupdate.exe Token: SeChangeNotifyPrivilege 2744 winupdate.exe Token: SeRemoteShutdownPrivilege 2744 winupdate.exe Token: SeUndockPrivilege 2744 winupdate.exe Token: SeManageVolumePrivilege 2744 winupdate.exe Token: SeImpersonatePrivilege 2744 winupdate.exe Token: SeCreateGlobalPrivilege 2744 winupdate.exe Token: 33 2744 winupdate.exe Token: 34 2744 winupdate.exe Token: 35 2744 winupdate.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exewinupdate.exewinupdate.exepid Process 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 2760 winupdate.exe 2744 winupdate.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exewinupdate.exedescription pid Process procid_target PID 2072 wrote to memory of 332 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 31 PID 2072 wrote to memory of 332 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 31 PID 2072 wrote to memory of 332 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 31 PID 2072 wrote to memory of 332 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 31 PID 2072 wrote to memory of 332 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 31 PID 2072 wrote to memory of 332 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 31 PID 2072 wrote to memory of 332 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 31 PID 2072 wrote to memory of 332 2072 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 31 PID 332 wrote to memory of 2712 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 32 PID 332 wrote to memory of 2712 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 32 PID 332 wrote to memory of 2712 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 32 PID 332 wrote to memory of 2712 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 32 PID 332 wrote to memory of 2760 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 33 PID 332 wrote to memory of 2760 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 33 PID 332 wrote to memory of 2760 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 33 PID 332 wrote to memory of 2760 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 33 PID 332 wrote to memory of 2760 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 33 PID 332 wrote to memory of 2760 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 33 PID 332 wrote to memory of 2760 332 45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe 33 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34 PID 2760 wrote to memory of 2744 2760 winupdate.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Users\Admin\AppData\Local\Temp\45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\45a7e70ef28d9d8504c5bd72ba13f3be_JaffaCakes118.exe"2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- 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:332 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵PID:2712
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C:\driver\winupdate.exe"C:\driver\winupdate.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\driver\winupdate.exe"C:\driver\winupdate.exe"4⤵
- Modifies firewall policy service
- Windows security bypass
- Checks BIOS information in registry
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2744
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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
1Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1846800975-3917212583-2893086201-1000\88603cb2913a7df3fbd16b5f958e6447_f9da27c9-c625-43c3-9b3a-b1344b01e128
Filesize51B
MD55fc2ac2a310f49c14d195230b91a8885
SHA190855cc11136ba31758fe33b5cf9571f9a104879
SHA256374e0e2897a7a82e0e44794cad89df0f3cdd7703886239c1fe06d625efd48092
SHA512ab46554df9174b9fe9beba50a640f67534c3812f64d96a1fb8adfdc136dfe730ca2370825cd45b7f87a544d6a58dd868cb5a3a7f42e2789f6d679dbc0fdd52c3
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Filesize
264KB
MD545a7e70ef28d9d8504c5bd72ba13f3be
SHA1573a04603fdc55e04307727dd3816f316b894680
SHA2566a95367b492ae4c76fcba7778a7f5bd6a4161840eb44f7f57ac895e2c73f835b
SHA512fb4e701a2944d208a2a9904f894450fa7fb66b40cb7e0f19964866768e62f50569acee4e04c2ecbb8008eaeea122ca62d587f6a31f677f3bb48fa34359fda2eb