Overview
overview
7Static
static
3KRNL-REBORN.zip
windows7-x64
1KRNL-REBORN.zip
windows10-2004-x64
1KRNL-REBOR....3.dll
windows7-x64
1KRNL-REBOR....3.dll
windows10-2004-x64
1KRNL-REBORN/README.md
windows7-x64
3KRNL-REBORN/README.md
windows10-2004-x64
3KRNL-REBOR...ET.dll
windows7-x64
1KRNL-REBOR...ET.dll
windows10-2004-x64
1KRNL-REBOR...ec.lnk
windows7-x64
3KRNL-REBOR...ec.lnk
windows10-2004-x64
3KRNL-REBOR...rn.dll
windows7-x64
3KRNL-REBOR...rn.dll
windows10-2004-x64
3KRNL-REBOR...xe.xml
windows7-x64
3KRNL-REBOR...xe.xml
windows10-2004-x64
1KRNL-REBOR...02.exe
windows7-x64
7KRNL-REBOR...02.exe
windows10-2004-x64
7main.pyc
windows7-x64
3main.pyc
windows10-2004-x64
3KRNL-REBOR...ce.lnk
windows7-x64
3KRNL-REBOR...ce.lnk
windows10-2004-x64
3Analysis
-
max time kernel
139s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/08/2024, 14:33
Behavioral task
behavioral1
Sample
KRNL-REBORN.zip
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
KRNL-REBORN.zip
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
KRNL-REBORN/Bunifu_UI_v1.5.3.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
KRNL-REBORN/Bunifu_UI_v1.5.3.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
KRNL-REBORN/README.md
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
KRNL-REBORN/README.md
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
KRNL-REBORN/ScintillaNET.dll
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
KRNL-REBORN/ScintillaNET.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
KRNL-REBORN/autoexec.lnk
Resource
win7-20240705-en
Behavioral task
behavioral10
Sample
KRNL-REBORN/autoexec.lnk
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
KRNL-REBORN/krnl-reborn.dll
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
KRNL-REBORN/krnl-reborn.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
KRNL-REBORN/krnlss.exe.xml
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
KRNL-REBORN/krnlss.exe.xml
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
KRNL-REBORN/krnlss_v102.exe
Resource
win7-20240704-en
Behavioral task
behavioral16
Sample
KRNL-REBORN/krnlss_v102.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
main.pyc
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
main.pyc
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
KRNL-REBORN/workspace.lnk
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
KRNL-REBORN/workspace.lnk
Resource
win10v2004-20240802-en
General
-
Target
KRNL-REBORN/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-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff cmd.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell cmd.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots cmd.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\autoexec.lnk1⤵
- Modifies registry class
PID:4792
-
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 --field-trial-handle=4388,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:81⤵PID:1524