Overview
overview
7Static
static
7Kirsty.rar
windows7-x64
3Kirsty.rar
windows10-2004-x64
3Kirsty/Kir...config
windows7-x64
3Kirsty/Kir...config
windows10-2004-x64
3Kirsty/lib...rt.dll
windows7-x64
1Kirsty/lib...rt.dll
windows10-2004-x64
1Kirsty/lib...or.dll
windows7-x64
1Kirsty/lib...or.dll
windows10-2004-x64
1Kirsty/lib...or.xml
windows7-x64
1Kirsty/lib...or.xml
windows10-2004-x64
1Kirsty/lib...el.dll
windows7-x64
1Kirsty/lib...el.dll
windows10-2004-x64
1Kirsty/lib...el.xml
windows7-x64
1Kirsty/lib...el.xml
windows10-2004-x64
5Kirsty/lib...es.dll
windows7-x64
1Kirsty/lib...es.dll
windows10-2004-x64
1Kirsty/lib...es.xml
windows7-x64
1Kirsty/lib...es.xml
windows10-2004-x64
1Kirsty/lib...er.dll
windows7-x64
1Kirsty/lib...er.dll
windows10-2004-x64
1Kirsty/lib...er.xml
windows7-x64
1Kirsty/lib...er.xml
windows10-2004-x64
5Kirsty/lib...ar.dll
windows7-x64
1Kirsty/lib...ar.dll
windows10-2004-x64
1Kirsty/lib...ar.xml
windows7-x64
1Kirsty/lib...ar.xml
windows10-2004-x64
1Kirsty/lib...ox.dll
windows7-x64
1Kirsty/lib...ox.dll
windows10-2004-x64
1Kirsty/lib...ox.xml
windows7-x64
1Kirsty/lib...ox.xml
windows10-2004-x64
1Kirsty/lib...ch.dll
windows7-x64
1Kirsty/lib...ch.dll
windows10-2004-x64
1Analysis
-
max time kernel
118s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system -
submitted
02/07/2023, 01:17
Behavioral task
behavioral1
Sample
Kirsty.rar
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
Kirsty.rar
Resource
win10v2004-20230621-en
Behavioral task
behavioral3
Sample
Kirsty/Kirsty.exe.config
Resource
win7-20230621-en
Behavioral task
behavioral4
Sample
Kirsty/Kirsty.exe.config
Resource
win10v2004-20230621-en
Behavioral task
behavioral5
Sample
Kirsty/lib/BCMakeCert.dll
Resource
win7-20230621-en
Behavioral task
behavioral6
Sample
Kirsty/lib/BCMakeCert.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral7
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSeparator.dll
Resource
win7-20230621-en
Behavioral task
behavioral8
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSeparator.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral9
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSeparator.xml
Resource
win7-20230621-en
Behavioral task
behavioral10
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSeparator.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral11
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShadowPanel.dll
Resource
win7-20230621-en
Behavioral task
behavioral12
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShadowPanel.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral13
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShadowPanel.xml
Resource
win7-20230621-en
Behavioral task
behavioral14
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShadowPanel.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral15
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShapes.dll
Resource
win7-20230621-en
Behavioral task
behavioral16
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShapes.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral17
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShapes.xml
Resource
win7-20230621-en
Behavioral task
behavioral18
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShapes.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral19
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSlider.dll
Resource
win7-20230621-en
Behavioral task
behavioral20
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSlider.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral21
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSlider.xml
Resource
win7-20230621-en
Behavioral task
behavioral22
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSlider.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral23
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSnackbar.dll
Resource
win7-20230621-en
Behavioral task
behavioral24
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSnackbar.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral25
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSnackbar.xml
Resource
win7-20230621-en
Behavioral task
behavioral26
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSnackbar.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral27
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuTextBox.dll
Resource
win7-20230621-en
Behavioral task
behavioral28
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuTextBox.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral29
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuTextBox.xml
Resource
win7-20230621-en
Behavioral task
behavioral30
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuTextBox.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral31
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuToggleSwitch.dll
Resource
win7-20230621-en
Behavioral task
behavioral32
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuToggleSwitch.dll
Resource
win10v2004-20230621-en
General
-
Target
Kirsty.rar
-
Size
4.3MB
-
MD5
e54137334330ff4695cd5799b4bfde69
-
SHA1
3f7d989f6131bb7ba708b40f11aa9e0095aab9b9
-
SHA256
af9de83cb2e2057b6fd253f18b2543a33d796c74d3b781e636708c5e39a58799
-
SHA512
136275f5039d08edc37a659caaed14148b3c208fad14b37db354a382b4b38a9a617ad8c0574fab3f7a21737b45700f1eee16e734d8f2a8aff46e3672477760d2
-
SSDEEP
98304:L7G7XeeLqbQ3l3nQqB+gDSYWG1XvcjAxU9Sc40XUZ2dk0zMA1iN:vqva23nQ+jS5G1kjAxUNpQcXiN
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 472 vlc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 472 vlc.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: 33 1616 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1616 AUDIODG.EXE Token: 33 1616 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1616 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 10 IoCs
pid Process 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe -
Suspicious use of SendNotifyMessage 9 IoCs
pid Process 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe 472 vlc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 472 vlc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1016 wrote to memory of 320 1016 cmd.exe 27 PID 1016 wrote to memory of 320 1016 cmd.exe 27 PID 1016 wrote to memory of 320 1016 cmd.exe 27 PID 320 wrote to memory of 472 320 rundll32.exe 28 PID 320 wrote to memory of 472 320 rundll32.exe 28 PID 320 wrote to memory of 472 320 rundll32.exe 28
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Kirsty.rar1⤵
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Kirsty.rar2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Kirsty.rar"3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:472
-
-
-
C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:1544
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x52c1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1616