Analysis
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max time kernel
124s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-08-2024 07:28
Static task
static1
Behavioral task
behavioral1
Sample
c289673501474f7fec2b16f435c90771_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c289673501474f7fec2b16f435c90771_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
c289673501474f7fec2b16f435c90771_JaffaCakes118.exe
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Size
226KB
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MD5
c289673501474f7fec2b16f435c90771
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SHA1
0a5ee84f20863c5db6f0a71915ead920201df177
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SHA256
2202d569f96eb49bd8e7fc67b997aaaa7fa5563ec88d7fd33a79f932986a4798
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SHA512
d174bb6ba349ff47e36d9065e0ce396513631f80586a6e8eaaa0eccd2b017bd673dbd7717387b37333ccc0436683e8464acecf56abcb2f5be881fc56a0b0c086
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SSDEEP
6144:aBBXY/rEv4AA2YMHScF1VXCaailJhApl:oIZAfB1VS
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion c289673501474f7fec2b16f435c90771_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\Users\\Admin\\AppData\\Roaming\\c289673501474f7fec2b16f435c90771_JaffaCakes118.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\Users\\Admin\\AppData\\Roaming\\c289673501474f7fec2b16f435c90771_JaffaCakes118.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4116 set thread context of 3608 4116 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe 84 -
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 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4116 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe 4116 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe 3608 svchost.exe 3608 svchost.exe 3608 svchost.exe 3608 svchost.exe 3608 svchost.exe 3608 svchost.exe 3608 svchost.exe 3608 svchost.exe 3608 svchost.exe 3608 svchost.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4116 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3608 svchost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3608 svchost.exe 3608 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4116 wrote to memory of 3608 4116 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe 84 PID 4116 wrote to memory of 3608 4116 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe 84 PID 4116 wrote to memory of 3608 4116 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe 84 PID 4116 wrote to memory of 3608 4116 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe 84 PID 4116 wrote to memory of 3608 4116 c289673501474f7fec2b16f435c90771_JaffaCakes118.exe 84 PID 3608 wrote to memory of 5048 3608 svchost.exe 88 PID 3608 wrote to memory of 5048 3608 svchost.exe 88 PID 3608 wrote to memory of 5048 3608 svchost.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\c289673501474f7fec2b16f435c90771_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c289673501474f7fec2b16f435c90771_JaffaCakes118.exe"1⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Windows\SysWOW64\svchost.exe"C:\Windows\system32\svchost.exe"2⤵
- Checks BIOS information in registry
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /q /c for /l %i in (1, 1, 4000000000) do if not exist "C:\Users\Admin\AppData\Local\Temp\c289673501474f7fec2b16f435c90771_JaffaCakes118.exe" (exit) else (del /f "C:\Users\Admin\AppData\Local\Temp\c289673501474f7fec2b16f435c90771_JaffaCakes118.exe")3⤵
- System Location Discovery: System Language Discovery
PID:5048
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