Overview
overview
7Static
static
3KRNL-REBOR....3.dll
windows7-x64
1KRNL-REBOR....3.dll
windows10-2004-x64
1KRNL-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
1KRNL-REBOR...rn.dll
windows10-2004-x64
3KRNL-REBOR...ss.exe
windows7-x64
7KRNL-REBOR...ss.exe
windows10-2004-x64
7cstealer.pyc
windows7-x64
3cstealer.pyc
windows10-2004-x64
3KRNL-REBOR...xe.xml
windows7-x64
1KRNL-REBOR...xe.xml
windows10-2004-x64
1KRNL-REBOR...ce.lnk
windows7-x64
3KRNL-REBOR...ce.lnk
windows10-2004-x64
3Analysis
-
max time kernel
93s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-07-2024 06:14
Behavioral task
behavioral1
Sample
KRNL-REBORN/KRNL-REBORN/Bunifu_UI_v1.5.3.dll
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
KRNL-REBORN/KRNL-REBORN/Bunifu_UI_v1.5.3.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
KRNL-REBORN/KRNL-REBORN/ScintillaNET.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
KRNL-REBORN/KRNL-REBORN/ScintillaNET.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
KRNL-REBORN/KRNL-REBORN/autoexec.lnk
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
KRNL-REBORN/KRNL-REBORN/autoexec.lnk
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
KRNL-REBORN/KRNL-REBORN/krnl-reborn.dll
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
KRNL-REBORN/KRNL-REBORN/krnl-reborn.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
KRNL-REBORN/KRNL-REBORN/krnlss.exe
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
KRNL-REBORN/KRNL-REBORN/krnlss.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral11
Sample
cstealer.pyc
Resource
win7-20240611-en
Behavioral task
behavioral12
Sample
cstealer.pyc
Resource
win10v2004-20240611-en
Behavioral task
behavioral13
Sample
KRNL-REBORN/KRNL-REBORN/krnlss.exe.xml
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
KRNL-REBORN/KRNL-REBORN/krnlss.exe.xml
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
KRNL-REBORN/KRNL-REBORN/workspace.lnk
Resource
win7-20240611-en
Behavioral task
behavioral16
Sample
KRNL-REBORN/KRNL-REBORN/workspace.lnk
Resource
win10v2004-20240611-en
General
-
Target
KRNL-REBORN/KRNL-REBORN/krnl-reborn.dll
-
Size
5.3MB
-
MD5
e9921b7d3ff7044834e0c5998270cd0c
-
SHA1
e30c5794dbc92578d5bbd23d095a4a256caf4912
-
SHA256
c0e5c51445b189f8a17529ce8fce8d11ed7f99211e19684228fdd12366c458ab
-
SHA512
8a9a83050fee7084caa606f5e26018d4ce4b0a7a10e481fcdd8b1eae6c7b459dbe633b5b4b03b91d49427481f9e03880a64418a7e52ad6c06d25de98692a028e
-
SSDEEP
98304:QsK42Kx51uNmHTgZk74mqBjqSQWJuR7iGsMPD4nBx1GyePSByA5Pzm:Iwr154XBJQWaKSsnBv6a5Pz
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3532 3688 WerFault.exe 83 -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe 3688 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 724 wrote to memory of 3688 724 rundll32.exe 83 PID 724 wrote to memory of 3688 724 rundll32.exe 83 PID 724 wrote to memory of 3688 724 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\KRNL-REBORN\krnl-reborn.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:724 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\KRNL-REBORN\krnl-reborn.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
PID:3688 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 7043⤵
- Program crash
PID:3532
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3688 -ip 36881⤵PID:1624