Analysis
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max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-01-2025 10:55
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe
Resource
win7-20240903-en
windows7-x64
20 signatures
150 seconds
Behavioral task
behavioral2
Sample
JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
1 signatures
150 seconds
General
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Target
JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe
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Size
154KB
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MD5
64929b4744d553dcb7bc8aa619f49650
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SHA1
c16ce8a2445c4df5b27adc0af912b5a388dd622d
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SHA256
51ee6c5338726d659e52f7510ab136250362ccb0150d68a99ef9e4e8f0da67d3
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SHA512
864e1d80152ec6901468cde3cfdb502d4eebf78e37a254ca0654421d624d56778ca425dee70aebf4dae1ae8c6715c538adde146de24dfb641dcff73c493e3648
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SSDEEP
3072:nTWcTXOVMoh9aUtSs8HjfYvNaaHw7Koj4rtQLZPGHHAfmHSyF:icTXwVhw0eDfYF+m
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\ulvxnhqy\\drnkxhap.exe" svchost.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 = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" uwliajyv.exe -
Modifies security service 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4" uwliajyv.exe -
Ramnit family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" uwliajyv.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" uwliajyv.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\drnkxhap.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\drnkxhap.exe svchost.exe -
Executes dropped EXE 2 IoCs
pid Process 2640 uwliajyv.exe 2636 uwliajyv.exe -
Loads dropped DLL 4 IoCs
pid Process 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 2708 cmd.exe 2708 cmd.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" uwliajyv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" uwliajyv.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\DrnKxhap = "C:\\Users\\Admin\\AppData\\Local\\ulvxnhqy\\drnkxhap.exe" svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" uwliajyv.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 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 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uwliajyv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uwliajyv.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2728 svchost.exe 2728 svchost.exe 2636 uwliajyv.exe 2636 uwliajyv.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeSecurityPrivilege 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe Token: SeDebugPrivilege 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe Token: SeSecurityPrivilege 2340 svchost.exe Token: SeSecurityPrivilege 2728 svchost.exe Token: SeDebugPrivilege 2728 svchost.exe Token: SeDebugPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeDebugPrivilege 2728 svchost.exe Token: SeSecurityPrivilege 2640 uwliajyv.exe Token: SeSecurityPrivilege 2636 uwliajyv.exe Token: SeLoadDriverPrivilege 2636 uwliajyv.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2340 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 31 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2728 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 32 PID 2376 wrote to memory of 2640 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 33 PID 2376 wrote to memory of 2640 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 33 PID 2376 wrote to memory of 2640 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 33 PID 2376 wrote to memory of 2640 2376 JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe 33 PID 2640 wrote to memory of 2708 2640 uwliajyv.exe 34 PID 2640 wrote to memory of 2708 2640 uwliajyv.exe 34 PID 2640 wrote to memory of 2708 2640 uwliajyv.exe 34 PID 2640 wrote to memory of 2708 2640 uwliajyv.exe 34 PID 2708 wrote to memory of 2636 2708 cmd.exe 36 PID 2708 wrote to memory of 2636 2708 cmd.exe 36 PID 2708 wrote to memory of 2636 2708 cmd.exe 36 PID 2708 wrote to memory of 2636 2708 cmd.exe 36 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" uwliajyv.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64929b4744d553dcb7bc8aa619f49650.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2340
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728
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C:\Users\Admin\AppData\Local\Temp\uwliajyv.exe"C:\Users\Admin\AppData\Local\Temp\uwliajyv.exe" elevate2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\uwliajyv.exe"" admin3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Users\Admin\AppData\Local\Temp\uwliajyv.exe"C:\Users\Admin\AppData\Local\Temp\uwliajyv.exe" admin4⤵
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:2636
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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
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
8Replay Monitor
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Downloads
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Filesize
154KB
MD564929b4744d553dcb7bc8aa619f49650
SHA1c16ce8a2445c4df5b27adc0af912b5a388dd622d
SHA25651ee6c5338726d659e52f7510ab136250362ccb0150d68a99ef9e4e8f0da67d3
SHA512864e1d80152ec6901468cde3cfdb502d4eebf78e37a254ca0654421d624d56778ca425dee70aebf4dae1ae8c6715c538adde146de24dfb641dcff73c493e3648