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
121s - max time network
124s - platform
windows7_x64 - resource
win7-20240705-en - resource tags
arch:x64arch:x86image:win7-20240705-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 KRNL-REBORN/krnlss_v102.exe
- Size 69.7MB
- Sample240812-3cd1ga1dnd
- SHA256 31e271dbbf255b1f77f0bcaf5dcf901901b1cf0962ee23b86974d017e94bb9ab
- MD5 41de5a1628d155a926bfcc83f75d896d
- SHA1 f3328b7cd2bd92a30b4288d2ac486d5fca95f6c7
- SHA512 4bfb66e6cbc42fed0be763222175229a9252f6494b7c6e587258ef0204b913997cd3dc0e6d1531f4b93a514859efce86cb4770df91a3f13c58cecd6aaec7ae5c
- SSDEEP 1572864:8BLX5WJoWbgWRSgkNOXWxtQSNdiIGsOX6ylfZJ0WuOD:aX5M3gbcKCwGnX3dz09E
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 2964 krnlss_v102.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2404 wrote to memory of 2964 2404 krnlss_v102.exe 31 PID 2404 wrote to memory of 2964 2404 krnlss_v102.exe 31 PID 2404 wrote to memory of 2964 2404 krnlss_v102.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\krnlss_v102.exe"C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\krnlss_v102.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\krnlss_v102.exe"C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\krnlss_v102.exe"2⤵
- Loads dropped DLL
PID:2964
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_MEI24042\python311.dll
- Size 5.5MB
- SHA256 0817a2a657a24c0d5fbb60df56960f42fc66b3039d522ec952dab83e2d869364
- MD5 387bb2c1e40bde1517f06b46313766be
- SHA1 601f83ef61c7699652dec17edd5a45d6c20786c4
- SHA512 521cde6eaa5d4a2e0ef6bbfdea50b00750ae022c1c7bd66b20654c035552b49c9d2fac18ef503bbd136a7a307bdeb97f759d45c25228a0bf0c37739b6e897bad
- SSDEEP 49152:4kkzsT7AzjUaeLdj6UTSGKzuePQaOviRvYD4Kus0GYr3jDKPpWjrM06biCnCIS7E:wsgreBltVe1EsJ5CrSQHyMAwdp09U
- MD5 SHA1 SHA512 SSDEEP