40c92384d321d4728f5f8a7e86066069313b91ed9368f0fa50a55b6ec7f72a25 | Triage

Resubmissions

04-08-2024 00:17

240804-ak55pszfmn 7

04-08-2024 00:15

240804-ajxryavcrf 7

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
04-08-2024 00:17

Sharing

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General

Target

KRNL-REBORN/krnlss_v102.exe
Size

69.7MB
MD5

41de5a1628d155a926bfcc83f75d896d
SHA1

f3328b7cd2bd92a30b4288d2ac486d5fca95f6c7
SHA256

31e271dbbf255b1f77f0bcaf5dcf901901b1cf0962ee23b86974d017e94bb9ab
SHA512

4bfb66e6cbc42fed0be763222175229a9252f6494b7c6e587258ef0204b913997cd3dc0e6d1531f4b93a514859efce86cb4770df91a3f13c58cecd6aaec7ae5c
SSDEEP

1572864:8BLX5WJoWbgWRSgkNOXWxtQSNdiIGsOX6ylfZJ0WuOD:aX5M3gbcKCwGnX3dz09E

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

krnlss_v102.exe

pid	Process
2412	krnlss_v102.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

krnlss_v102.exe

description	pid	Process	procid_target
PID 2564 wrote to memory of 2412	2564	krnlss_v102.exe	30
PID 2564 wrote to memory of 2412	2564	krnlss_v102.exe	30
PID 2564 wrote to memory of 2412	2564	krnlss_v102.exe	30

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:2564
- 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:2412

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI25642\python311.dll

Filesize
5.5MB

MD5
387bb2c1e40bde1517f06b46313766be

SHA1
601f83ef61c7699652dec17edd5a45d6c20786c4

SHA256
0817a2a657a24c0d5fbb60df56960f42fc66b3039d522ec952dab83e2d869364

SHA512
521cde6eaa5d4a2e0ef6bbfdea50b00750ae022c1c7bd66b20654c035552b49c9d2fac18ef503bbd136a7a307bdeb97f759d45c25228a0bf0c37739b6e897bad

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