Overview
overview
3Static
static
3FULL BUILD...er.exe
windows10-2004-x64
1FULL BUILD...er.exe
windows11-ltsc_2024-x64
1build.bat
windows10-2004-x64
3build.bat
windows11-ltsc_2024-x64
3code/driver/valk.sys
windows10-2004-x64
3code/driver/valk.sys
windows11-ltsc_2024-x64
3loader/kir...er.exe
windows10-2004-x64
1loader/kir...er.exe
windows11-ltsc_2024-x64
1tools/BeDaisy.sys
windows10-2004-x64
3tools/BeDaisy.sys
windows11-ltsc_2024-x64
3tools/WdmDiagSvc.sys
windows10-2004-x64
3tools/WdmDiagSvc.sys
windows11-ltsc_2024-x64
3tools/kdmapper.exe
windows10-2004-x64
1tools/kdmapper.exe
windows11-ltsc_2024-x64
1tools/sig_scan.py
windows10-2004-x64
3tools/sig_scan.py
windows11-ltsc_2024-x64
3x64/Releas...re.exe
windows10-2004-x64
1x64/Releas...re.exe
windows11-ltsc_2024-x64
1Analysis
- max time kernel
148s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/10/2026, 19:57
Static task
static1
Behavioral task
behavioral1
Sample
FULL BUILD/kirkware_loader.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
FULL BUILD/kirkware_loader.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
build.bat
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
build.bat
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
code/driver/valk.sys
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
code/driver/valk.sys
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
loader/kirkware_loader.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
loader/kirkware_loader.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
tools/BeDaisy.sys
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
tools/BeDaisy.sys
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
tools/WdmDiagSvc.sys
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
tools/WdmDiagSvc.sys
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
tools/kdmapper.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
tools/kdmapper.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
tools/sig_scan.py
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
tools/sig_scan.py
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral17
Sample
x64/Release/kirkware.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral18
Sample
x64/Release/kirkware.exe
Resource
win11ltsc2024-20260911-en
General
- Target tools/sig_scan.py
- Size 5KB
- Sample261029-ypncfscc86
- SHA256 9bf75511e252c2e9c17993169cf60ed2618a5da0d47414aa48124b18dfc3da6b
- MD5 74b8cac1999fab71da07e00eb5d1b99c
- SHA1 81526998e1d8f21840977d2bbd2a45bf9447c822
- SHA512 df7b63b4773b53003461dc853d2ac9e1dac13b0c1db27dba39c607ff324480a48a8d21c4886b65267b86f1fd018a398f8aca1a43b5b4896d8716d4a09abe356a
- SSDEEP 96:xI+UVlObmSbn62WwZFMiPPMZxEBBmY2sg7O+hZXh:xI+oAbd+wZeiKabmY2sOOUj
- TLSH T1ABB1238AD4B42CDD92069D5B2F5E9806B61DA90719456E3CB86F517C1F0E93C83B08FD
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 236 cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Local Settings cmd.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3328 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\tools\sig_scan.py1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:236
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3328