Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
21/07/2024, 23:29
Static task
static1
Behavioral task
behavioral1
Sample
61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe
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Size
24KB
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MD5
61dd70476f3bdc7994388bd1417e0263
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SHA1
9ed5872a47a773de4ecf679621f648448d233c57
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SHA256
4fcab72cc56751d28e872ec34354bda1c8b622a26f62a4eef02b21fbcd239a2a
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SHA512
ca2312dfc8ac02a5fb4dc6b6df09044a8fcc5d1b58bd1274cb9755ccbfdd2ee7f3487b474c0620600efc8d997ef3629b731fb72aeec3fabb7031cb6b92fe84fc
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SSDEEP
768:JXjYi6qKUWpmIehIBAZqXVM3V88t4RRnXI:BYTUdIehIBAZqM3t
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\BluetoothAuthorizationAgent = "C:\\Windows\\system32\\BluetoothAuthorizationAgent.exe" 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\lgnqh.bmp 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\Desktop\Wallpaper = "C:\\Windows\\system32\\lgnqh.bmp" 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe -
Modifies Control Panel 5 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\Colors\Background = "0 0 255" 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\Desktop\WallpaperStyle = "0" 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\Desktop\TileWallpaper = "0" 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\Desktop\OriginalWallpaper = "C:\\Windows\\system32\\lgnqh.bmp" 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\Desktop\ConvertedWallpaper = "C:\\Windows\\system32\\lgnqh.bmp" 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4004 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe 4004 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4004 61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\61dd70476f3bdc7994388bd1417e0263_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Checks processor information in registry
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
PID:4004