Analysis
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max time kernel
139s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-10-2024 18:08
Static task
static1
Behavioral task
behavioral1
Sample
4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe
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Size
96KB
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MD5
4e4503798fcd4063f3535ea52e432c62
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SHA1
08279350c931a1041c011a72c1611a960ea90ea4
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SHA256
bb89ac25f39176f45de4a94ad9d12767b20d78b80bdd30250c616e2262a42b9c
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SHA512
cea46404cc41cf341815a02f8c47e9a01f62a7d79e053792a43a2a339aa5afe5259cc0a8b12c55c91a341dfe9de5a19b810fdaba7dfe7435e79707d100861ac7
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SSDEEP
1536:xiOAorFkaZQdQW+qoHjA7sy1kreUJT/tW4ufDjSV5P7+vIF:xiBorFlA+qos7FSrPT/t8fDjSnqv
Malware Config
Signatures
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Disables Task Manager via registry modification
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\Desktop\Wallpaper = "\x01" 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.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 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Desktop\General 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "\x01" 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1132 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1220 wrote to memory of 1132 1220 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe 86 PID 1220 wrote to memory of 1132 1220 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe 86 PID 1220 wrote to memory of 1132 1220 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe 86 PID 1132 wrote to memory of 4248 1132 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe 90 PID 1132 wrote to memory of 4248 1132 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe 90 PID 1132 wrote to memory of 4248 1132 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe"1⤵
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe" del2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\cmd.exe/c del C:\Users\Admin\AppData\Local\Temp\4E4503~1.EXE.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:4248
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