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Analysis
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max time kernel
142s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2024, 13:16
Static task
static1
Behavioral task
behavioral1
Sample
bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe
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Size
60KB
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MD5
bbe1eeb66dbca72dea3e119ddc35d6a4
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SHA1
3cb890e17f29e297ae31b855c453051881d2c8ad
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SHA256
6421d5bad46522ace156f859e334d420f1750d959171f7829021a7d0cfdd6c31
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SHA512
d3c7f3314bc22cc711483d6fb80d14880234ae885b684f974444c8e622197e943f778ce6b908dc6cd63193bb9d210febc263fbbb6f0de49a2835ef1f0acb4681
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SSDEEP
1536:kzCsmUHn5l/pohXSDrFSJLXtwHUOdc4c3Rt:1UZlxoIrFOLQdcBt
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\CmSTP = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\cmstp.exe /waitservice" bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\CmSTP = "C:\\Windows\\cmstp.exe /waitservice" bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\drivers\cmstp.exe bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4416 cmstp.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\cmstp.exe bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe File opened for modification C:\Windows\cmstp.exe bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe File created C:\Windows\System\dllhst3g.exe bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 cmstp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe -
Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DllHst = "C:\\Windows\\System\\dllhst3g.exe /waitservice" bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2608 wrote to memory of 4416 2608 bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe 84 PID 2608 wrote to memory of 4416 2608 bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe 84 PID 2608 wrote to memory of 4416 2608 bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bbe1eeb66dbca72dea3e119ddc35d6a4_JaffaCakes118.exe"1⤵
- Adds policy Run key to start application
- Drops file in Drivers directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\drivers\cmstp.exeC:\Windows\System32\drivers\cmstp.exe /waitservice2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4416
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5bbe1eeb66dbca72dea3e119ddc35d6a4
SHA13cb890e17f29e297ae31b855c453051881d2c8ad
SHA2566421d5bad46522ace156f859e334d420f1750d959171f7829021a7d0cfdd6c31
SHA512d3c7f3314bc22cc711483d6fb80d14880234ae885b684f974444c8e622197e943f778ce6b908dc6cd63193bb9d210febc263fbbb6f0de49a2835ef1f0acb4681