7882eab29859c18474d3674f7802e17c2c78616f3dc9c5afbba04bd30db1b213

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 19:03

Target

CAD迷你画图/CWSDK.dll
Size

163KB
MD5

5ac4bacf9a60686a745057d61fe91196
SHA1

daedc2346ed99d4cf21593de5e9f42ab228f204d
SHA256

4f85cfae95aa351b539da8b31ba2cef6ee6a171eb31e239bc9c17448da11b34a
SHA512

2370be1acefcc18190d93b91cfc6044ba64183e4818fda89fe07ef6bfd6cb8740fa2fb6bd8f94dfc8844e66ff7db6b621c943bee5df4e2ff3147ae2ed46ec6db
SSDEEP

3072:6zyeU8Rq7zUKaBCzwMwcxMVeQRgEQx7jIfJrFn6F8RgN0OZuvH3n8iaVni4RwV:X7IKaBCzwM4LkjIfJrFn6+80z/3n8ia4

Score

5^/10

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\clklog\rundll32_20240704190517.log	rundll32.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2188	2488	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2040 wrote to memory of 2488	2040	rundll32.exe	28
PID 2040 wrote to memory of 2488	2040	rundll32.exe	28
PID 2040 wrote to memory of 2488	2040	rundll32.exe	28
PID 2040 wrote to memory of 2488	2040	rundll32.exe	28
PID 2040 wrote to memory of 2488	2040	rundll32.exe	28
PID 2040 wrote to memory of 2488	2040	rundll32.exe	28
PID 2040 wrote to memory of 2488	2040	rundll32.exe	28
PID 2488 wrote to memory of 2188	2488	rundll32.exe	29
PID 2488 wrote to memory of 2188	2488	rundll32.exe	29
PID 2488 wrote to memory of 2188	2488	rundll32.exe	29
PID 2488 wrote to memory of 2188	2488	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CAD迷你画图\CWSDK.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CAD迷你画图\CWSDK.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 228
    3⤵
    - Program crash
    PID:2188