Analysis
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max time kernel
141s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14-08-2024 08:20
Static task
static1
Behavioral task
behavioral1
Sample
954e547bddf4a06357626c86acf67405_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
954e547bddf4a06357626c86acf67405_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
954e547bddf4a06357626c86acf67405_JaffaCakes118.exe
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Size
2.7MB
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MD5
954e547bddf4a06357626c86acf67405
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SHA1
5471a251c88bc888ea0ea370bd0e04eabc96de8c
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SHA256
e3e9001f99f25b4426fdd2c5b7853258cf8888fa38a87574bfad5303927489e8
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SHA512
6c7855b5f0f9091ac964c8de260df224ace10125cba77b6c8a74df5d0372e241f275d6d007c55b4a22e94b26dc26d307c2c7d1d469034167aec33d88ec943235
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SSDEEP
49152:TehDiNSs+pfWw41NGEKIt0YYYYYYYYYYYYYYYiYYYYYYYYYYYYYYYWDYYYYYYYYn:ensJwwNGlIt0YYYYYYYYYYYYYYYiYYYm
Malware Config
Signatures
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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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2136 PAVRM.exe -
Executes dropped EXE 1 IoCs
pid Process 2136 PAVRM.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Advanced Virus Remover = "C:\\Program Files\\AdvancedVirusRemover\\PAVRM.exe" PAVRM.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\AdvancedVirusRemover\PAVRM.exe 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe File opened for modification C:\Program Files\AdvancedVirusRemover\PAVRM.exe 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 PAVRM.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2068 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe 2068 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe 2068 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe 2136 PAVRM.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 2068 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe 2068 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe 2068 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe 2136 PAVRM.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2068 wrote to memory of 2136 2068 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe 87 PID 2068 wrote to memory of 2136 2068 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe 87 PID 2068 wrote to memory of 2136 2068 954e547bddf4a06357626c86acf67405_JaffaCakes118.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\954e547bddf4a06357626c86acf67405_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\954e547bddf4a06357626c86acf67405_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Program Files\AdvancedVirusRemover\PAVRM.exe"C:\Program Files\AdvancedVirusRemover\PAVRM.exe" DELC:\Users\Admin\AppData\Local\Temp\954e547bddf4a06357626c86acf67405_JaffaCakes118.exe2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2136
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.7MB
MD5954e547bddf4a06357626c86acf67405
SHA15471a251c88bc888ea0ea370bd0e04eabc96de8c
SHA256e3e9001f99f25b4426fdd2c5b7853258cf8888fa38a87574bfad5303927489e8
SHA5126c7855b5f0f9091ac964c8de260df224ace10125cba77b6c8a74df5d0372e241f275d6d007c55b4a22e94b26dc26d307c2c7d1d469034167aec33d88ec943235