Analysis
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max time kernel
127s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 17:32
Static task
static1
Behavioral task
behavioral1
Sample
d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe
Resource
win7-20241023-en
General
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Target
d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe
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Size
541KB
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MD5
d835c39082e0e5de09ff092a3d5a1e0a
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SHA1
9f515a5293a37e5b90342ef7b660fa5dee2d9518
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SHA256
0a43127615cb75db69dfbf202e22d33e7aced03c236a9dcc948ae3dd18fa8626
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SHA512
a5d17a922013c2df001dbdaccba49fb1a70aa2d711d2f695dabd6d31759eee35b579b02e4930367c6216d2da94c2cea75d0c63e3a6f2eaddf2823f2f5ec482f6
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SSDEEP
12288:YaNqMd0QZh9uEK/5P/EiKrbVVE2VihK/BBHY9sbzHLK:YED0QZh9ur4fc2Vik/Bl5zrK
Malware Config
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\Windupdt\\winupdate.exe" d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" winupdate.exe 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 = "0" winupdate.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" winupdate.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" winupdate.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" winupdate.exe -
Deletes itself 1 IoCs
pid Process 2904 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2784 winupdate.exe 2836 winupdate.exe -
Loads dropped DLL 8 IoCs
pid Process 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 2784 winupdate.exe 2784 winupdate.exe 2784 winupdate.exe 2784 winupdate.exe 2836 winupdate.exe 2836 winupdate.exe 2836 winupdate.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" winupdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\Documents\\Windupdt\\winupdate.exe" d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3000 set thread context of 2492 3000 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 30 PID 2784 set thread context of 2836 2784 winupdate.exe 34 -
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 6 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 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2904 cmd.exe 2848 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2848 PING.EXE -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeSecurityPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeSystemtimePrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeBackupPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeRestorePrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeShutdownPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeDebugPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeUndockPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeManageVolumePrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeImpersonatePrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: 33 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: 34 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: 35 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2836 winupdate.exe Token: SeSecurityPrivilege 2836 winupdate.exe Token: SeTakeOwnershipPrivilege 2836 winupdate.exe Token: SeLoadDriverPrivilege 2836 winupdate.exe Token: SeSystemProfilePrivilege 2836 winupdate.exe Token: SeSystemtimePrivilege 2836 winupdate.exe Token: SeProfSingleProcessPrivilege 2836 winupdate.exe Token: SeIncBasePriorityPrivilege 2836 winupdate.exe Token: SeCreatePagefilePrivilege 2836 winupdate.exe Token: SeBackupPrivilege 2836 winupdate.exe Token: SeRestorePrivilege 2836 winupdate.exe Token: SeShutdownPrivilege 2836 winupdate.exe Token: SeDebugPrivilege 2836 winupdate.exe Token: SeSystemEnvironmentPrivilege 2836 winupdate.exe Token: SeChangeNotifyPrivilege 2836 winupdate.exe Token: SeRemoteShutdownPrivilege 2836 winupdate.exe Token: SeUndockPrivilege 2836 winupdate.exe Token: SeManageVolumePrivilege 2836 winupdate.exe Token: SeImpersonatePrivilege 2836 winupdate.exe Token: SeCreateGlobalPrivilege 2836 winupdate.exe Token: 33 2836 winupdate.exe Token: 34 2836 winupdate.exe Token: 35 2836 winupdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2836 winupdate.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3000 wrote to memory of 2492 3000 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 30 PID 3000 wrote to memory of 2492 3000 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 30 PID 3000 wrote to memory of 2492 3000 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 30 PID 3000 wrote to memory of 2492 3000 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 30 PID 3000 wrote to memory of 2492 3000 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 30 PID 3000 wrote to memory of 2492 3000 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 30 PID 2492 wrote to memory of 2784 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 31 PID 2492 wrote to memory of 2784 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 31 PID 2492 wrote to memory of 2784 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 31 PID 2492 wrote to memory of 2784 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 31 PID 2492 wrote to memory of 2784 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 31 PID 2492 wrote to memory of 2784 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 31 PID 2492 wrote to memory of 2784 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 31 PID 2492 wrote to memory of 2904 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 32 PID 2492 wrote to memory of 2904 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 32 PID 2492 wrote to memory of 2904 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 32 PID 2492 wrote to memory of 2904 2492 d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe 32 PID 2784 wrote to memory of 2836 2784 winupdate.exe 34 PID 2784 wrote to memory of 2836 2784 winupdate.exe 34 PID 2784 wrote to memory of 2836 2784 winupdate.exe 34 PID 2784 wrote to memory of 2836 2784 winupdate.exe 34 PID 2784 wrote to memory of 2836 2784 winupdate.exe 34 PID 2784 wrote to memory of 2836 2784 winupdate.exe 34 PID 2784 wrote to memory of 2836 2784 winupdate.exe 34 PID 2784 wrote to memory of 2836 2784 winupdate.exe 34 PID 2784 wrote to memory of 2836 2784 winupdate.exe 34 PID 2904 wrote to memory of 2848 2904 cmd.exe 35 PID 2904 wrote to memory of 2848 2904 cmd.exe 35 PID 2904 wrote to memory of 2848 2904 cmd.exe 35 PID 2904 wrote to memory of 2848 2904 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Users\Admin\AppData\Local\Temp\d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe2⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Users\Admin\Documents\Windupdt\winupdate.exe"C:\Users\Admin\Documents\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Users\Admin\Documents\Windupdt\winupdate.exeC:\Users\Admin\Documents\Windupdt\winupdate.exe4⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2836
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118.exe"3⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 54⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2848
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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
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
6Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
541KB
MD5d835c39082e0e5de09ff092a3d5a1e0a
SHA19f515a5293a37e5b90342ef7b660fa5dee2d9518
SHA2560a43127615cb75db69dfbf202e22d33e7aced03c236a9dcc948ae3dd18fa8626
SHA512a5d17a922013c2df001dbdaccba49fb1a70aa2d711d2f695dabd6d31759eee35b579b02e4930367c6216d2da94c2cea75d0c63e3a6f2eaddf2823f2f5ec482f6