Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/09/2026, 03:33
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe
- Size 7.4MB
- Sample260910-d4kvnaem9x
- SHA256 12109821b2efa3d44a3ba4cf92f95e8b445a017c56cbe1ae4ce0101502c3a989
- MD5 4eb9a188e472cff33a4cae5f55c4b6af
- SHA1 3e5e63b0726fcbc5c7b602232f9c406913f58adc
- SHA512 bdd4ed9f7e66b859f63fde6d3555e20990799f1505f507db4c2408297a72e4364e52e559a85de07be3c64165bc59b88fbd626649d4aecbbfcd467385321d1a95
- SSDEEP 12288:oVd1+vqJcm8qzdmmS8Q2h562CeCIIGPkcs6GevKhenYJuR:eU1qzdXD62CeFkcsp6KwHR
- TLSH T165760226F1C08C3BD1F22F7D4D5562B9223F7B432E2C585E66E84D0C9E3A29166583DB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe File opened for modification C:\Windows\assembly\Desktop.ini jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe File created C:\Windows\assembly\Desktop.ini jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe File opened for modification C:\Windows\assembly\Desktop.ini jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).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 jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe 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 - 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 4 IoCs
description pid Process Token: SeRestorePrivilege 4220 dw20.exe Token: SeBackupPrivilege 4220 dw20.exe Token: SeBackupPrivilege 4220 dw20.exe Token: SeBackupPrivilege 4220 dw20.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1060 wrote to memory of 4220 1060 jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Gradekeeper 6.5-6.7 for Mac (incl key).exe"1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 9402⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4220
-