Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/09/2026, 10:43
Behavioral task
behavioral1
Sample
jaffacakes118__8dbafe8ba353bfd9b727ee9f15c96298.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
General
- Target jaffacakes118__8dbafe8ba353bfd9b727ee9f15c96298.exe
- Size 26KB
- Sample260919-msdfwazte1
- SHA256 a3286efb9d47f28f3b3be1853ef0e31914ce6aee6d812de67e19ff1fa92542e4
- MD5 8dbafe8ba353bfd9b727ee9f15c96298
- SHA1 9a08e64f149d1455a3f8f33442be3074dbda7a0f
- SHA512 9a6c46b52ae995bc1228dd06bb0404c10517dfbc8698f3b56784c469af0909756a0ddc3223b28ea640f3dcc095cedff0f339c42ec362e9e3336b49b8c2a7de1c
- SSDEEP 384:SOf1+2i28MAK+SrAqM6DWA/0lCihnenpYo5kVRjKEuZTI4oWXQtgg9Cbq0MwHAZ0:Pn8MxNDF0lCKzJQEoI4oWXQtgxVMwg6
- TLSH T121C2E09EFE540069F49AC37AE2A254C196E93032878BF55144BC32A5936788D5CEFB83
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts winlogon.exe - Executes dropped EXE 2 IoCs
pid Process 4396 winlogon.exe 3012 winlogon.exe -
resource yara_rule behavioral1/memory/1692-0-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/files/0x000a00000002429a-3.dat upx behavioral1/memory/1692-6-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/4396-10-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-11-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-12-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-13-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-14-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-15-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-16-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-17-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-18-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-19-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-20-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-21-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-22-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-23-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-24-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/3012-25-0x0000000000400000-0x0000000000414000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\SYSTEM\winlogon.exe jaffacakes118__8dbafe8ba353bfd9b727ee9f15c96298.exe File opened for modification C:\Windows\SYSTEM\winlogon.exe jaffacakes118__8dbafe8ba353bfd9b727ee9f15c96298.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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__8dbafe8ba353bfd9b727ee9f15c96298.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1692 wrote to memory of 4396 1692 jaffacakes118__8dbafe8ba353bfd9b727ee9f15c96298.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118__8dbafe8ba353bfd9b727ee9f15c96298.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__8dbafe8ba353bfd9b727ee9f15c96298.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\SYSTEM\winlogon.exeC:\Windows\SYSTEM\winlogon.exe2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4396
-
-
C:\Windows\SYSTEM\winlogon.exeC:\Windows\SYSTEM\winlogon.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3012
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\System\winlogon.exe
- Size 26KB
- SHA256 a3286efb9d47f28f3b3be1853ef0e31914ce6aee6d812de67e19ff1fa92542e4
- MD5 8dbafe8ba353bfd9b727ee9f15c96298
- SHA1 9a08e64f149d1455a3f8f33442be3074dbda7a0f
- SHA512 9a6c46b52ae995bc1228dd06bb0404c10517dfbc8698f3b56784c469af0909756a0ddc3223b28ea640f3dcc095cedff0f339c42ec362e9e3336b49b8c2a7de1c
- SSDEEP 384:SOf1+2i28MAK+SrAqM6DWA/0lCihnenpYo5kVRjKEuZTI4oWXQtgg9Cbq0MwHAZ0:Pn8MxNDF0lCKzJQEoI4oWXQtgxVMwg6
- TLSH T121C2E09EFE540069F49AC37AE2A254C196E93032878BF55144BC32A5936788D5CEFB83
- MD5 SHA1 SHA512 SSDEEP TLSH