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Analysis
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max time kernel
150s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02/01/2025, 12:15
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe
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Size
375KB
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MD5
6505821479e7f5d59cfae03777cd35c1
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SHA1
70a20cc77a147c62ac0d12c698aae6bb7e3e6f9d
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SHA256
65bc3003f3f0a776f2bdcd73bff6cd07bd669dc58b73c83ef2bd10ea6520c3f1
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SHA512
74fc6aab3a459c32b6748f0eaa8ff5a309c9cbdc0c454ef4031c338fc69daa4b3b8517b2e5858a30181b0c2f02436c3a28dbc4138dade20ed39490fa49dc8709
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SSDEEP
6144:agXUwvcgKxfirHG3tDBXDM5Y9Qd6Ud9oqk/fPQ8PUBObn+xc85f86UCzac:rkwvcaK3o5Y9Qkq+/X/xzYK/
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:\\Windupdt\\winupdate.exe" JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description 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 -
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\UpdatesDisableNotify = "1" winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" winupdate.exe -
Disables Task Manager via registry modification
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe -
Executes dropped EXE 1 IoCs
pid Process 2556 winupdate.exe -
Loads dropped DLL 4 IoCs
pid Process 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe 2556 winupdate.exe 2556 winupdate.exe 2556 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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe -
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 3 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 winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DllHost.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2556 winupdate.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeSecurityPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeTakeOwnershipPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeLoadDriverPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeSystemProfilePrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeSystemtimePrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeProfSingleProcessPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeIncBasePriorityPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeCreatePagefilePrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeBackupPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeRestorePrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeShutdownPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeDebugPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeSystemEnvironmentPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeChangeNotifyPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeRemoteShutdownPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeUndockPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeManageVolumePrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeImpersonatePrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeCreateGlobalPrivilege 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: 33 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: 34 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: 35 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe Token: SeIncreaseQuotaPrivilege 2556 winupdate.exe Token: SeSecurityPrivilege 2556 winupdate.exe Token: SeTakeOwnershipPrivilege 2556 winupdate.exe Token: SeLoadDriverPrivilege 2556 winupdate.exe Token: SeSystemProfilePrivilege 2556 winupdate.exe Token: SeSystemtimePrivilege 2556 winupdate.exe Token: SeProfSingleProcessPrivilege 2556 winupdate.exe Token: SeIncBasePriorityPrivilege 2556 winupdate.exe Token: SeCreatePagefilePrivilege 2556 winupdate.exe Token: SeBackupPrivilege 2556 winupdate.exe Token: SeRestorePrivilege 2556 winupdate.exe Token: SeShutdownPrivilege 2556 winupdate.exe Token: SeDebugPrivilege 2556 winupdate.exe Token: SeSystemEnvironmentPrivilege 2556 winupdate.exe Token: SeChangeNotifyPrivilege 2556 winupdate.exe Token: SeRemoteShutdownPrivilege 2556 winupdate.exe Token: SeUndockPrivilege 2556 winupdate.exe Token: SeManageVolumePrivilege 2556 winupdate.exe Token: SeImpersonatePrivilege 2556 winupdate.exe Token: SeCreateGlobalPrivilege 2556 winupdate.exe Token: 33 2556 winupdate.exe Token: 34 2556 winupdate.exe Token: 35 2556 winupdate.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2752 DllHost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2752 DllHost.exe 2752 DllHost.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2124 wrote to memory of 2556 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe 31 PID 2124 wrote to memory of 2556 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe 31 PID 2124 wrote to memory of 2556 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe 31 PID 2124 wrote to memory of 2556 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe 31 PID 2124 wrote to memory of 2556 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe 31 PID 2124 wrote to memory of 2556 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe 31 PID 2124 wrote to memory of 2556 2124 JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe 31 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion winupdate.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" winupdate.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- 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:2124 -
C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:2556
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2752
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
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Downloads
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Filesize
123KB
MD572af90b7e4e5da6bbbf2a6d09c494d29
SHA1d1e971c5793152898441ce4898c94560c1a40196
SHA2561a65228e67e279634777afba1aa099e17921bb052a0377421d7b6df542cace77
SHA5123987abe99d1f3a54b76e012fbfaa699ddcc9353478a79073149680001085d53f66ee3584ddddc1b88849add62b213add053ad889e105d522550a4fca29bd0636
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Filesize
375KB
MD56505821479e7f5d59cfae03777cd35c1
SHA170a20cc77a147c62ac0d12c698aae6bb7e3e6f9d
SHA25665bc3003f3f0a776f2bdcd73bff6cd07bd669dc58b73c83ef2bd10ea6520c3f1
SHA51274fc6aab3a459c32b6748f0eaa8ff5a309c9cbdc0c454ef4031c338fc69daa4b3b8517b2e5858a30181b0c2f02436c3a28dbc4138dade20ed39490fa49dc8709