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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09/08/2024, 21:46
Behavioral task
behavioral1
Sample
83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe
Resource
win7-20240705-en
windows7-x64
19 signatures
150 seconds
General
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Target
83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe
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Size
912KB
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MD5
83aaee69716dda7b17faa2d36ea38822
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SHA1
12ba999ca951b9f2154ab388039c20e364e56b25
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SHA256
6547d234fd9c2d92380a8c60eaa0e30b0c253b20870d3eaafc371f51bd46303a
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SHA512
cff941de4e85adcdf62e3088c358a374b4f2ac5219a438663ebd7e84b1c0693532cda54ebae9b6f687ae582cea2c727f56be0744232f25f041cfeb807a2c584b
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SSDEEP
12288:m8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1r/re:zUKoN0bUxgGa/pfBHDb+y1L
Malware Config
Signatures
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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:\\MSDCSC\\msdcsc.exe" 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" iexplore.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" iexplore.exe -
Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" iexplore.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" iexplore.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 2872 attrib.exe 4960 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3248 msdcsc.exe -
resource yara_rule behavioral2/memory/680-0-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral2/files/0x00080000000234ce-6.dat upx behavioral2/memory/680-62-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral2/memory/3248-65-0x0000000000400000-0x00000000004E6000-memory.dmp upx -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdater = "C:\\MSDCSC\\msdcsc.exe" 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdater = "C:\\MSDCSC\\msdcsc.exe" msdcsc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdater = "C:\\MSDCSC\\msdcsc.exe" iexplore.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3248 set thread context of 3328 3248 msdcsc.exe 94 -
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 7 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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3328 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeSecurityPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeLoadDriverPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeSystemProfilePrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeSystemtimePrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeBackupPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeRestorePrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeShutdownPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeDebugPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeUndockPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeManageVolumePrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeImpersonatePrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: 33 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: 34 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: 35 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: 36 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 3248 msdcsc.exe Token: SeSecurityPrivilege 3248 msdcsc.exe Token: SeTakeOwnershipPrivilege 3248 msdcsc.exe Token: SeLoadDriverPrivilege 3248 msdcsc.exe Token: SeSystemProfilePrivilege 3248 msdcsc.exe Token: SeSystemtimePrivilege 3248 msdcsc.exe Token: SeProfSingleProcessPrivilege 3248 msdcsc.exe Token: SeIncBasePriorityPrivilege 3248 msdcsc.exe Token: SeCreatePagefilePrivilege 3248 msdcsc.exe Token: SeBackupPrivilege 3248 msdcsc.exe Token: SeRestorePrivilege 3248 msdcsc.exe Token: SeShutdownPrivilege 3248 msdcsc.exe Token: SeDebugPrivilege 3248 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3248 msdcsc.exe Token: SeChangeNotifyPrivilege 3248 msdcsc.exe Token: SeRemoteShutdownPrivilege 3248 msdcsc.exe Token: SeUndockPrivilege 3248 msdcsc.exe Token: SeManageVolumePrivilege 3248 msdcsc.exe Token: SeImpersonatePrivilege 3248 msdcsc.exe Token: SeCreateGlobalPrivilege 3248 msdcsc.exe Token: 33 3248 msdcsc.exe Token: 34 3248 msdcsc.exe Token: 35 3248 msdcsc.exe Token: 36 3248 msdcsc.exe Token: SeIncreaseQuotaPrivilege 3328 iexplore.exe Token: SeSecurityPrivilege 3328 iexplore.exe Token: SeTakeOwnershipPrivilege 3328 iexplore.exe Token: SeLoadDriverPrivilege 3328 iexplore.exe Token: SeSystemProfilePrivilege 3328 iexplore.exe Token: SeSystemtimePrivilege 3328 iexplore.exe Token: SeProfSingleProcessPrivilege 3328 iexplore.exe Token: SeIncBasePriorityPrivilege 3328 iexplore.exe Token: SeCreatePagefilePrivilege 3328 iexplore.exe Token: SeBackupPrivilege 3328 iexplore.exe Token: SeRestorePrivilege 3328 iexplore.exe Token: SeShutdownPrivilege 3328 iexplore.exe Token: SeDebugPrivilege 3328 iexplore.exe Token: SeSystemEnvironmentPrivilege 3328 iexplore.exe Token: SeChangeNotifyPrivilege 3328 iexplore.exe Token: SeRemoteShutdownPrivilege 3328 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3328 iexplore.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 680 wrote to memory of 1788 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe 86 PID 680 wrote to memory of 1788 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe 86 PID 680 wrote to memory of 1788 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe 86 PID 680 wrote to memory of 408 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe 88 PID 680 wrote to memory of 408 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe 88 PID 680 wrote to memory of 408 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe 88 PID 1788 wrote to memory of 4960 1788 cmd.exe 90 PID 1788 wrote to memory of 4960 1788 cmd.exe 90 PID 1788 wrote to memory of 4960 1788 cmd.exe 90 PID 408 wrote to memory of 2872 408 cmd.exe 91 PID 408 wrote to memory of 2872 408 cmd.exe 91 PID 408 wrote to memory of 2872 408 cmd.exe 91 PID 680 wrote to memory of 3248 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe 93 PID 680 wrote to memory of 3248 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe 93 PID 680 wrote to memory of 3248 680 83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe 93 PID 3248 wrote to memory of 3328 3248 msdcsc.exe 94 PID 3248 wrote to memory of 3328 3248 msdcsc.exe 94 PID 3248 wrote to memory of 3328 3248 msdcsc.exe 94 PID 3248 wrote to memory of 3328 3248 msdcsc.exe 94 PID 3248 wrote to memory of 3328 3248 msdcsc.exe 94 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 2872 attrib.exe 4960 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\83aaee69716dda7b17faa2d36ea38822_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4960
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:408 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2872
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C:\MSDCSC\msdcsc.exe"C:\MSDCSC\msdcsc.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3328
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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
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
6Replay Monitor
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Downloads
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Filesize
912KB
MD583aaee69716dda7b17faa2d36ea38822
SHA112ba999ca951b9f2154ab388039c20e364e56b25
SHA2566547d234fd9c2d92380a8c60eaa0e30b0c253b20870d3eaafc371f51bd46303a
SHA512cff941de4e85adcdf62e3088c358a374b4f2ac5219a438663ebd7e84b1c0693532cda54ebae9b6f687ae582cea2c727f56be0744232f25f041cfeb807a2c584b