Overview
overview
3Static
static
3KRNLWRD/Bu....3.dll
windows10-2004-x64
1KRNLWRD/Sc...ET.dll
windows10-2004-x64
1KRNLWRD/autoexec.lnk
windows10-2004-x64
3KRNLWRD/injector.dll
windows10-2004-x64
1KRNLWRD/krnl.dll
windows10-2004-x64
3KRNLWRD/krnl.exe
windows10-2004-x64
1KRNLWRD/kr...xe.xml
windows10-2004-x64
1KRNLWRD/workspace.lnk
windows10-2004-x64
3Analysis
-
max time kernel
84s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
02-06-2024 12:21
Static task
static1
Behavioral task
behavioral1
Sample
KRNLWRD/Bunifu_UI_v1.5.3.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
KRNLWRD/ScintillaNET.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
KRNLWRD/autoexec.lnk
Resource
win10v2004-20240426-en
Behavioral task
behavioral4
Sample
KRNLWRD/injector.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
KRNLWRD/krnl.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral6
Sample
KRNLWRD/krnl.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
KRNLWRD/krnlss.exe.xml
Resource
win10v2004-20240508-en
Behavioral task
behavioral8
Sample
KRNLWRD/workspace.lnk
Resource
win10v2004-20240508-en
General
-
Target
KRNLWRD/workspace.lnk
-
Size
1KB
-
MD5
b24aa4c070dcbe2c4b4123f65e239724
-
SHA1
5ac5fcaebbedea247a6fdc6905c6640d5b4c66f6
-
SHA256
a1bb2847ca301059384d736f1e977c694b69f5dd32249298f09a781f560fccf7
-
SHA512
11bbe6abb1f5e2375ddad981aaa8be1a05c83730afad2bb81ac87002153a3ff6a30bd1695343d6e08b16ea1a66cd943fd3215a233599c201183e1ab8b10869e9
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 Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell cmd.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff cmd.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\KRNLWRD\workspace.lnk1⤵
- Modifies registry class
PID:2700
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3812,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=3896 /prefetch:81⤵PID:1076