e315b6c1144c05f8031cc752ec6fe84864f004e995476b6354abe5a805544347

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-01-2024 00:28

Target

Codecs/msvcr71.dll
Size

340KB
MD5

86f1895ae8c5e8b17d99ece768a70732
SHA1

d5502a1d00787d68f548ddeebbde1eca5e2b38ca
SHA256

8094af5ee310714caebccaeee7769ffb08048503ba478b879edfef5f1a24fefe
SHA512

3b7ce2b67056b6e005472b73447d2226677a8cadae70428873f7efa5ed11a3b3dbf6b1a42c5b05b1f2b1d8e06ff50dfc6532f043af8452ed87687eefbf1791da
SSDEEP

6144:OcV9z83OtqxnEYmt3NEnvfF+Tbmbw6An8FMciFMNrb3YgxxpbCAOxO2ElvlE:Ooz83OtIEzW+/m/AyF7bCrO/E

Score

3^/10

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2124	2328	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2328	2756	rundll32.exe	28
PID 2756 wrote to memory of 2328	2756	rundll32.exe	28
PID 2756 wrote to memory of 2328	2756	rundll32.exe	28
PID 2756 wrote to memory of 2328	2756	rundll32.exe	28
PID 2756 wrote to memory of 2328	2756	rundll32.exe	28
PID 2756 wrote to memory of 2328	2756	rundll32.exe	28
PID 2756 wrote to memory of 2328	2756	rundll32.exe	28
PID 2328 wrote to memory of 2124	2328	rundll32.exe	29
PID 2328 wrote to memory of 2124	2328	rundll32.exe	29
PID 2328 wrote to memory of 2124	2328	rundll32.exe	29
PID 2328 wrote to memory of 2124	2328	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Codecs\msvcr71.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Codecs\msvcr71.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 228
    3⤵
    - Program crash
    PID:2124