Analysis
- max time kernel
149s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 10:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target jaffacakes118_9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e.exe
- Size 2.0MB
- Sample260930-l14glacc29
- SHA256 9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e
- MD5 29630cdd161f5a8ef36a09368c2b3164
- SHA1 e6c02045db941b0f24e56fa3186509c3cfd2f5b4
- SHA512 0a1b445ff6c716cda4030bcd4ee98b36cc32944e4049f423b5fb9b6565894771b8b9c395cc54e4ea2839eb1e61cab0a68bf4e9125aee18110162d49c6ed952dc
- SSDEEP 12288:BhKoUC9Flz2BQpSqWky0v81UikhrgQypSMzFhPbh4/2IStg:rUwl+6RrgLSuFpbYhStg
- TLSH T1C3A572323AD0A625C415217AA4152FE833ED3E52B791EDDFF22A7B990A704F0DD36643
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4664 csrss.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\KernellApp.pcx = "C:\\WINDOWS\\System32\\1661\\csrss.exe" jaffacakes118_9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\WINDOWS\SysWOW64\1661\csrss.exe jaffacakes118_9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e.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_9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1028 wrote to memory of 4664 1028 jaffacakes118_9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\WINDOWS\SysWOW64\1661\csrss.exeC:\WINDOWS\System32\1661\csrss.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4664
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1661\csrss.exe
- Size 2.0MB
- SHA256 9bd01f082eed452208879e14a5fda8d707aab0495113ca0aa40669ba9178d97e
- MD5 29630cdd161f5a8ef36a09368c2b3164
- SHA1 e6c02045db941b0f24e56fa3186509c3cfd2f5b4
- SHA512 0a1b445ff6c716cda4030bcd4ee98b36cc32944e4049f423b5fb9b6565894771b8b9c395cc54e4ea2839eb1e61cab0a68bf4e9125aee18110162d49c6ed952dc
- SSDEEP 12288:BhKoUC9Flz2BQpSqWky0v81UikhrgQypSMzFhPbh4/2IStg:rUwl+6RrgLSuFpbYhStg
- TLSH T1C3A572323AD0A625C415217AA4152FE833ED3E52B791EDDFF22A7B990A704F0DD36643
- MD5 SHA1 SHA512 SSDEEP TLSH