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
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
12-08-2024 23:21
Behavioral task
behavioral1
Sample
KRNL-REBORN.zip
Resource
win7-20240729-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
win7-20240708-en
Behavioral task
behavioral8
Sample
KRNL-REBORN/ScintillaNET.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
KRNL-REBORN/autoexec.lnk
Resource
win7-20240708-en
Behavioral task
behavioral10
Sample
KRNL-REBORN/autoexec.lnk
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
KRNL-REBORN/krnl-reborn.dll
Resource
win7-20240704-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
win7-20240705-en
Behavioral task
behavioral16
Sample
KRNL-REBORN/krnlss_v102.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
main.pyc
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
main.pyc
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
KRNL-REBORN/workspace.lnk
Resource
win7-20240729-en
Behavioral task
behavioral20
Sample
KRNL-REBORN/workspace.lnk
Resource
win10v2004-20240802-en
General
-
Target
main.pyc
-
Size
94KB
-
MD5
46d5c1a7ce50eb4892ed7c755195cbee
-
SHA1
b7c5e91d0417b42ac5d687bab5e616d097ac4a1e
-
SHA256
6aa2ef60e8fe06d3cb5ba40c85905b2ee8e5d6ef174dfda20ad7a4b6e426a0e0
-
SHA512
19c6f84e1e3e2e65ee06a72b9a8780d5bfc82b8c4467b00af5ce7f5e6f7beb0d002fa31d23321b648b4f43a906b15cba43be7dcd72d0321b5ede263963680c18
-
SSDEEP
1536:BiVKHviGboAgjl9AgqfArGZff5SzKRbPabAdUsrh8Ud79onPw7pEnko6:BiVoiGbFgjbAgqfAKZff5S2RbxdUjUI8
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2796 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 328 wrote to memory of 2796 328 cmd.exe 31 PID 328 wrote to memory of 2796 328 cmd.exe 31 PID 328 wrote to memory of 2796 328 cmd.exe 31
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:328 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:2796
-