Overview
overview
3Static
static
3KRNLWRD/Bu....3.dll
windows7-x64
1KRNLWRD/Bu....3.dll
windows10-2004-x64
1KRNLWRD/Sc...ET.dll
windows7-x64
1KRNLWRD/Sc...ET.dll
windows10-2004-x64
1KRNLWRD/autoexec.lnk
windows7-x64
3KRNLWRD/autoexec.lnk
windows10-2004-x64
3KRNLWRD/injector.dll
windows7-x64
1KRNLWRD/injector.dll
windows10-2004-x64
1KRNLWRD/krnl.dll
windows7-x64
1KRNLWRD/krnl.dll
windows10-2004-x64
3KRNLWRD/krnl.exe
windows7-x64
3KRNLWRD/krnl.exe
windows10-2004-x64
1KRNLWRD/workspace.lnk
windows7-x64
3KRNLWRD/workspace.lnk
windows10-2004-x64
3Analysis
-
max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 16:22
Static task
static1
Behavioral task
behavioral1
Sample
KRNLWRD/Bunifu_UI_v1.5.3.dll
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
KRNLWRD/Bunifu_UI_v1.5.3.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
KRNLWRD/ScintillaNET.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
KRNLWRD/ScintillaNET.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
KRNLWRD/autoexec.lnk
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
KRNLWRD/autoexec.lnk
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
KRNLWRD/injector.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
KRNLWRD/injector.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral9
Sample
KRNLWRD/krnl.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
KRNLWRD/krnl.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral11
Sample
KRNLWRD/krnl.exe
Resource
win7-20240419-en
Behavioral task
behavioral12
Sample
KRNLWRD/krnl.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral13
Sample
KRNLWRD/workspace.lnk
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
KRNLWRD/workspace.lnk
Resource
win10v2004-20240419-en
General
-
Target
KRNLWRD/autoexec.lnk
-
Size
1KB
-
MD5
4093f1e5a6222a64baf60a90e2b82cc3
-
SHA1
e9b8175224ad7c715fa2f08b79dbf864597f33fe
-
SHA256
b05e77d756a0970c0e8345ccc53b637b9f3926e788bbf5c1bbbb2bbff4d82348
-
SHA512
594685509699d205845f2843853e5e6c5e8b3a2950f34e40fa9395584df257f891d5ff86120f53c077ff7346cd03907eb33913f25be5ca860e6272416cd70c23
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff cmd.exe Key created \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell cmd.exe Key created \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU cmd.exe