Overview
overview
3Static
static
3KRNLWRD.rar
windows7-x64
3KRNLWRD.rar
windows10-2004-x64
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/kr...xe.xml
windows7-x64
1KRNLWRD/kr...xe.xml
windows10-2004-x64
1KRNLWRD/workspace.lnk
windows7-x64
3KRNLWRD/workspace.lnk
windows10-2004-x64
3Analysis
-
max time kernel
51s -
max time network
58s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
10-06-2024 18:11
Static task
static1
Behavioral task
behavioral1
Sample
KRNLWRD.rar
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
KRNLWRD.rar
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
KRNLWRD/Bunifu_UI_v1.5.3.dll
Resource
win7-20240419-en
Behavioral task
behavioral4
Sample
KRNLWRD/Bunifu_UI_v1.5.3.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
KRNLWRD/ScintillaNET.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
KRNLWRD/ScintillaNET.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
KRNLWRD/autoexec.lnk
Resource
win7-20240419-en
Behavioral task
behavioral8
Sample
KRNLWRD/autoexec.lnk
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
KRNLWRD/injector.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
KRNLWRD/injector.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
KRNLWRD/krnl.dll
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
KRNLWRD/krnl.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
KRNLWRD/krnl.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
KRNLWRD/krnl.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
KRNLWRD/krnlss.exe.xml
Resource
win7-20240508-en
Behavioral task
behavioral16
Sample
KRNLWRD/krnlss.exe.xml
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
KRNLWRD/workspace.lnk
Resource
win7-20240215-en
Behavioral task
behavioral18
Sample
KRNLWRD/workspace.lnk
Resource
win10v2004-20240508-en
General
-
Target
KRNLWRD/krnl.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 1452 2784 WerFault.exe 81 -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2784 rundll32.exe 2784 rundll32.exe 2784 rundll32.exe 2784 rundll32.exe 2784 rundll32.exe 2784 rundll32.exe 2784 rundll32.exe 2784 rundll32.exe 2784 rundll32.exe 2784 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2456 wrote to memory of 2784 2456 rundll32.exe 81 PID 2456 wrote to memory of 2784 2456 rundll32.exe 81 PID 2456 wrote to memory of 2784 2456 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\KRNLWRD\krnl.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\KRNLWRD\krnl.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
PID:2784 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 7083⤵
- Program crash
PID:1452
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2784 -ip 27841⤵PID:3024