14a3894cd6a6e321d3a07c5b7a2bd22cad174f55feef3b6b6e2279fc5ea66ee8 | Triage

Analysis

max time kernel
277s
max time network
337s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 18:48

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General

Target

远程监控/krnln.dll
Size

406KB
MD5

6aea0226a87d8d144963ab68b02009ac
SHA1

6dcc3d247ac8e872c8cfb7db73e1de1032fc6b11
SHA256

ad7a6428108f2d01f2e1b747fc5f225fe7e32da7219c7df017a566566954b173
SHA512

d171cb12715b1952d4f214780472668d57604e1f4efba798f1a84dab633ab39a95830ec80dee4a7abfa5969ea4d472f21f54d99ff480d02660c41e3f9489af4a
SSDEEP

12288:7RrQLhYW3kv/eT2TEjXqYZsEVUyXe5U1:7Rkuv/jEuYaKUaey1

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1480 wrote to memory of 1652	1480	rundll32.exe	rundll32.exe
PID 1480 wrote to memory of 1652	1480	rundll32.exe	rundll32.exe
PID 1480 wrote to memory of 1652	1480	rundll32.exe	rundll32.exe
PID 1480 wrote to memory of 1652	1480	rundll32.exe	rundll32.exe
PID 1480 wrote to memory of 1652	1480	rundll32.exe	rundll32.exe
PID 1480 wrote to memory of 1652	1480	rundll32.exe	rundll32.exe
PID 1480 wrote to memory of 1652	1480	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\远程监控\krnln.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\远程监控\krnln.dll,#1
2⤵
PID:1652

Network

MITRE ATT&CK Matrix

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Downloads

memory/1652-54-0x0000000000000000-mapping.dmp

Download
memory/1652-55-0x0000000075491000-0x0000000075493000-memory.dmp

Filesize
8KB

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