Analysis
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max time kernel
141s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-11-2024 22:57
Behavioral task
behavioral1
Sample
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Resource
win7-20241010-en
General
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Target
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
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Size
1.5MB
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MD5
8de865647d2cdfff8f15a2f66da4cf96
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SHA1
379b9c86d30691d683353a039352bb763e160f49
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SHA256
ce3b8c803e3f620ab6a4fe0448b87102e4578713b1355e0359f8e6243caeff66
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SHA512
4f1f3d097f521d8cc3f94c6c38a6d7ad8eda53be804407a106da404961a8a14a35b1b0bf204e8f052bd72fe7397483fa94b69b80b7bac61f0965ad23b5c52af2
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SSDEEP
24576:mgdX4AEE3uBDhynCylQgi63O9+VuNY3WSxLNO3KCxZyNfF3tvYTJ:h4AE3JX63OMha66qD6
Malware Config
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe" 8de865647d2cdfff8f15a2f66da4cf96_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 -
Modifies security service 2 TTPs 1 IoCs
Processes:
winupdate.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" winupdate.exe -
Processes:
winupdate.exedescription 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 -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
winupdate.exe8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
winupdate.exepid Process 436 winupdate.exe -
Processes:
winupdate.exedescription 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
Processes:
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target Process procid_target 5100 436 WerFault.exe 88 2424 436 WerFault.exe 88 4464 436 WerFault.exe 88 -
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:
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exewinupdate.execmd.exePING.EXEdescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.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 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exewinupdate.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 8de865647d2cdfff8f15a2f66da4cf96_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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exewinupdate.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Modifies registry class 1 IoCs
Processes:
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
winupdate.exepid Process 436 winupdate.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exewinupdate.exedescription pid Process Token: SeIncreaseQuotaPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeSecurityPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeLoadDriverPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeSystemProfilePrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeSystemtimePrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeBackupPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeRestorePrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeShutdownPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeDebugPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeUndockPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeManageVolumePrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeImpersonatePrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: 33 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: 34 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: 35 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: 36 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 436 winupdate.exe Token: SeSecurityPrivilege 436 winupdate.exe Token: SeTakeOwnershipPrivilege 436 winupdate.exe Token: SeLoadDriverPrivilege 436 winupdate.exe Token: SeSystemProfilePrivilege 436 winupdate.exe Token: SeSystemtimePrivilege 436 winupdate.exe Token: SeProfSingleProcessPrivilege 436 winupdate.exe Token: SeIncBasePriorityPrivilege 436 winupdate.exe Token: SeCreatePagefilePrivilege 436 winupdate.exe Token: SeBackupPrivilege 436 winupdate.exe Token: SeRestorePrivilege 436 winupdate.exe Token: SeShutdownPrivilege 436 winupdate.exe Token: SeDebugPrivilege 436 winupdate.exe Token: SeSystemEnvironmentPrivilege 436 winupdate.exe Token: SeChangeNotifyPrivilege 436 winupdate.exe Token: SeRemoteShutdownPrivilege 436 winupdate.exe Token: SeUndockPrivilege 436 winupdate.exe Token: SeManageVolumePrivilege 436 winupdate.exe Token: SeImpersonatePrivilege 436 winupdate.exe Token: SeCreateGlobalPrivilege 436 winupdate.exe Token: 33 436 winupdate.exe Token: 34 436 winupdate.exe Token: 35 436 winupdate.exe Token: 36 436 winupdate.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.execmd.exedescription pid Process procid_target PID 112 wrote to memory of 436 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe 88 PID 112 wrote to memory of 436 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe 88 PID 112 wrote to memory of 436 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe 88 PID 112 wrote to memory of 3124 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe 89 PID 112 wrote to memory of 3124 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe 89 PID 112 wrote to memory of 3124 112 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe 89 PID 3124 wrote to memory of 3992 3124 cmd.exe 91 PID 3124 wrote to memory of 3992 3124 cmd.exe 91 PID 3124 wrote to memory of 3992 3124 cmd.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"2⤵
- Modifies firewall policy service
- Modifies security 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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:436 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 15403⤵
- Program crash
PID:5100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 15403⤵
- Program crash
PID:2424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 15483⤵
- Program crash
PID:4464
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 436 -ip 4361⤵PID:232
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 436 -ip 4361⤵PID:3064
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 436 -ip 4361⤵PID:4912
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
119B
MD5999315918b148faa52a07dde1e826234
SHA11ea2e2b660c46f0d53a514f867364db7624f1544
SHA2561d64ce8e3458942ab0cba94b7a1584e710ac0f60c8c8ebfd6297ca63afeded69
SHA51283dae6ea9a1836d37f5aec6254224be598645fe6c41e97ecc80f42cf9bc7862035db35513d9b51c141eaeb25ebd7a4b92675fa093c78daf2249341243d9b06e7
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Filesize
1.5MB
MD58de865647d2cdfff8f15a2f66da4cf96
SHA1379b9c86d30691d683353a039352bb763e160f49
SHA256ce3b8c803e3f620ab6a4fe0448b87102e4578713b1355e0359f8e6243caeff66
SHA5124f1f3d097f521d8cc3f94c6c38a6d7ad8eda53be804407a106da404961a8a14a35b1b0bf204e8f052bd72fe7397483fa94b69b80b7bac61f0965ad23b5c52af2