4a912a411d7f003cb6363987266f85305a036f211ef587e8841d104f66933520

Analysis

max time kernel
138s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2023, 18:31

Target

NEAS.9f406479497f2d1357508249a3687110.dll
Size

439KB
MD5

9f406479497f2d1357508249a3687110
SHA1

4d105770ad716a2dfa966b036bf312295b405dad
SHA256

4a912a411d7f003cb6363987266f85305a036f211ef587e8841d104f66933520
SHA512

03a14e5b29628d80a268817985c0d0f1f0a01e6ba9d00affcea43ab3f25ad2c741bd3dff638408b7965a8542d6243f82e5226c0585ca5e0ef0a44d82d6966439
SSDEEP

12288:shg+t4dDQyp7rjwRKzmVFxIIdOeCfSor4EXY0krrnRSTtRTLs:+fQnMtIIdOeC6ofFkrrnRSTt5s

Score

5^/10

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\LogRecord20231017.log	rundll32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\LocalInfo.ini	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4676	3336	WerFault.exe	81
4644	3336	WerFault.exe	81

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3336	224	rundll32.exe	81
PID 224 wrote to memory of 3336	224	rundll32.exe	81
PID 224 wrote to memory of 3336	224	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.9f406479497f2d1357508249a3687110.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.9f406479497f2d1357508249a3687110.dll,#1
  2⤵
  - Drops file in System32 directory
  - Drops file in Windows directory
  PID:3336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 824
    3⤵
    - Program crash
    PID:4676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 548
    3⤵
    - Program crash
    PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3336 -ip 3336
1⤵
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3336 -ip 3336
1⤵
PID:4124