Analysis
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max time kernel
76s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
17/10/2024, 00:18
Static task
static1
Behavioral task
behavioral1
Sample
4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe
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Size
300KB
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MD5
4fd24e3e4ed8faa8693044abb8383814
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SHA1
438c3e32998ff9b5d3a0da0dc7ce4494b701df6c
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SHA256
0dcefdd71f0a4d38bf9d0215c6f506b7e6795122ca4b8d1a579982df5375148e
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SHA512
93300eef021a041e24977f8e6cf6a35dbe2cc0b0c9451b2eeeb7c5b5f79a3a001fff93ee18ecdf444c6f4caabd4b00b7f6595a781cfd681873704813fa69dd8a
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SSDEEP
6144:GZbnCYg8OntV3SQ7ONOQpi4QC47Bg9XEY+XvD0timFPnH5ZAhhWNJt:EbnCYg8QVSq4l2BgtE7oXF/ZZACx
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\SystemBiosVersion 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion uninstall.exe -
Executes dropped EXE 1 IoCs
pid Process 940 uninstall.exe -
Loads dropped DLL 4 IoCs
pid Process 908 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe 940 uninstall.exe 940 uninstall.exe 940 uninstall.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe File opened for modification \??\PhysicalDrive0 uninstall.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 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uninstall.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 uninstall.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier uninstall.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 940 uninstall.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 908 wrote to memory of 940 908 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe 29 PID 908 wrote to memory of 940 908 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe 29 PID 908 wrote to memory of 940 908 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe 29 PID 908 wrote to memory of 940 908 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe 29 PID 908 wrote to memory of 940 908 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe 29 PID 908 wrote to memory of 940 908 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe 29 PID 908 wrote to memory of 940 908 4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe"1⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Users\Admin\AppData\Local\Temp\uninstall.exeC:\Users\Admin\AppData\Local\Temp\uninstall.exe2⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
300KB
MD54fd24e3e4ed8faa8693044abb8383814
SHA1438c3e32998ff9b5d3a0da0dc7ce4494b701df6c
SHA2560dcefdd71f0a4d38bf9d0215c6f506b7e6795122ca4b8d1a579982df5375148e
SHA51293300eef021a041e24977f8e6cf6a35dbe2cc0b0c9451b2eeeb7c5b5f79a3a001fff93ee18ecdf444c6f4caabd4b00b7f6595a781cfd681873704813fa69dd8a