cbe8bec689fc989f522ce95716bc7eacc85cfba7117b348c257130fab6fef317

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20/07/2024, 08:04

Target

$SYSDIR/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
2992	1940	WerFault.exe	30

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 1940	1772	rundll32.exe	30
PID 1772 wrote to memory of 1940	1772	rundll32.exe	30
PID 1772 wrote to memory of 1940	1772	rundll32.exe	30
PID 1772 wrote to memory of 1940	1772	rundll32.exe	30
PID 1772 wrote to memory of 1940	1772	rundll32.exe	30
PID 1772 wrote to memory of 1940	1772	rundll32.exe	30
PID 1772 wrote to memory of 1940	1772	rundll32.exe	30
PID 1940 wrote to memory of 2992	1940	rundll32.exe	31
PID 1940 wrote to memory of 2992	1940	rundll32.exe	31
PID 1940 wrote to memory of 2992	1940	rundll32.exe	31
PID 1940 wrote to memory of 2992	1940	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\msvcr71.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\msvcr71.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 224
    3⤵
    - Program crash
    PID:2992