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Analysis
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max time kernel
7s -
max time network
8s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10/08/2024, 03:41
Static task
static1
Behavioral task
behavioral1
Sample
84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe
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Size
286KB
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MD5
84ad31d833ad535522ac457ca3c23475
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SHA1
e41f1bfc8994b0594b44fe03cdd60317fcf17a6b
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SHA256
924f888dbcf5ce142b2a89f5eea32448b34bcf3e6e0157d9984ac4d09fba4c7a
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SHA512
e47ecdebe2f327dcf3cddfa601567a38fa08567270fd4ca0176b39c757270ede1ea182ccc8c9955721bae3f2e7064c421a2f5adbc270837bad15a1f0d40e12b9
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SSDEEP
6144:/T9QlO9H99gP1u7FKcRqflxuGhTBcVlr3D:BQlO9HL/7FKlfzhTOl7D
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3568 netsh.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 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SunJavaUpdateSched.1 = "C:\\WINDOWS\\system32\\drivers\\Descompacx.exe" 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language shutdown.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "198" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1688 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe Token: SeShutdownPrivilege 1756 shutdown.exe Token: SeRemoteShutdownPrivilege 1756 shutdown.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4620 LogonUI.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1688 wrote to memory of 3568 1688 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe 87 PID 1688 wrote to memory of 3568 1688 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe 87 PID 1688 wrote to memory of 3568 1688 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe 87 PID 1688 wrote to memory of 1756 1688 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe 91 PID 1688 wrote to memory of 1756 1688 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe 91 PID 1688 wrote to memory of 1756 1688 84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" firewall add allowedprogram program = C:\WINDOWS\system32\drivers\Descompacx.exe name = \Descompacx.exe mode = ENABLE scope = ALL profile = ALL2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3568
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C:\Windows\SysWOW64\shutdown.exe"C:\Windows\System32\shutdown.exe" -r -f -t 002⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1756
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39b8855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4620
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1