b4566a42eadc945fd6745eac49cd1da99c774def0d2ef075d92511dfc36ab3a2

Analysis

max time kernel
25s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13-05-2023 03:41

Target

Windows/msvcrt.dll
Size

288KB
MD5

055b02d711cdedb8c5997274c4e99cb8
SHA1

5c816eeb6e4d5f1c11e9f56c992ee7d452e7c0f9
SHA256

d7cea69a98579d928e534070f5293e80ed7df38baf611b20717ef55aa1344a18
SHA512

4774431fe768e424f46c833236a41d68f05d98ed14353b04428a5d190dbe213bb56087a5e5cca5cd98598f2c1611fddfed3a7a79bbd362bc02e586cc367907c0
SSDEEP

6144:yk54RkH8RKDou3LlG/3Roe0Ro4zJsdF9gjFMgiFjNr7mcl2oZhogKLOmJxZR92l3:R4RtIR3BG/3We0RVJsdFFUzchogKLOmc

Score

3^/10

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

832 2032 WerFault.exe rundll32.exe

pid	pid_target	process	target process
832	2032	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1284 wrote to memory of 2032	1284	rundll32.exe	rundll32.exe
PID 1284 wrote to memory of 2032	1284	rundll32.exe	rundll32.exe
PID 1284 wrote to memory of 2032	1284	rundll32.exe	rundll32.exe
PID 1284 wrote to memory of 2032	1284	rundll32.exe	rundll32.exe
PID 1284 wrote to memory of 2032	1284	rundll32.exe	rundll32.exe
PID 1284 wrote to memory of 2032	1284	rundll32.exe	rundll32.exe
PID 1284 wrote to memory of 2032	1284	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 832	2032	rundll32.exe	WerFault.exe
PID 2032 wrote to memory of 832	2032	rundll32.exe	WerFault.exe
PID 2032 wrote to memory of 832	2032	rundll32.exe	WerFault.exe
PID 2032 wrote to memory of 832	2032	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Windows\msvcrt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Windows\msvcrt.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 228
    3⤵
    - Program crash
    PID:832