Analysis
-
max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29-09-2024 00:56
Static task
static1
Behavioral task
behavioral1
Sample
fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
-
Target
fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe
-
Size
320KB
-
MD5
fd7cc103980392a7e81d5975abf939a1
-
SHA1
f09cbc92d418982544386565abea135dc8d1cc61
-
SHA256
66e7b64b08e2d3dec71c56ffa8f5d5a0ec07dadde69bec0d8c6ca75fd8064781
-
SHA512
9ede20564b117984f9f96054b1492b315c01712a7bedc439ea81b2a4eb9e10415fb7ffffc8b93d7528af349c0803426ef7e33b7d7651e624b8657ee364a99855
-
SSDEEP
6144:j+b0W+zWYiWZfSD8fKE6N8asj2eLtBdWerKcRwUT8qO1HYQaPnr46bq:6IW+zWYiWZqDTSt/A5UwUwLYBrrbq
Malware Config
Signatures
-
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe File opened for modification C:\Windows\assembly\Desktop.ini fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe File created C:\Windows\assembly\Desktop.ini fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe File opened for modification C:\Windows\assembly\Desktop.ini fd7cc103980392a7e81d5975abf939a1_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 fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dw20.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeBackupPrivilege 728 fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe Token: SeSecurityPrivilege 728 fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe Token: SeSecurityPrivilege 728 fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe Token: SeRestorePrivilege 2608 dw20.exe Token: SeBackupPrivilege 2608 dw20.exe Token: SeBackupPrivilege 2608 dw20.exe Token: SeBackupPrivilege 2608 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 728 wrote to memory of 2608 728 fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe 82 PID 728 wrote to memory of 2608 728 fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe 82 PID 728 wrote to memory of 2608 728 fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fd7cc103980392a7e81d5975abf939a1_JaffaCakes118.exe"1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:728 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 10522⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2608
-