97cf70062f25b360a517a632165ac3d0f0a28de8cc332438694be046db8d349c

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 02:29

Target

KwLib.dll
Size

535KB
MD5

ba14a9e86cd2fea7833f73593c47b4dc
SHA1

b0eadccbdb90f82072bd8a0bba99a4b756c933dc
SHA256

1f079935526bd2641cf4f2e97b758f122a1164dd672ca9bbb3f65a468a4bb868
SHA512

58330dcd3753ee00f3829beb5f150bacb144254ff1edaea2a175d637dd394fd3c8f2c1ad8f3587ce917965fb18248f5ceded2e437ead24fa5480f10834ba7b53
SSDEEP

12288:mUc/Q1cnuCWGGZTy3XZglJ1EhTaFT80gGc:C/Q1cnuUiy3Xml/GTCY0gl

Score

5^/10

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mylkx.dat	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
308	348	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 348	2320	rundll32.exe	28
PID 2320 wrote to memory of 348	2320	rundll32.exe	28
PID 2320 wrote to memory of 348	2320	rundll32.exe	28
PID 2320 wrote to memory of 348	2320	rundll32.exe	28
PID 2320 wrote to memory of 348	2320	rundll32.exe	28
PID 2320 wrote to memory of 348	2320	rundll32.exe	28
PID 2320 wrote to memory of 348	2320	rundll32.exe	28
PID 348 wrote to memory of 308	348	rundll32.exe	29
PID 348 wrote to memory of 308	348	rundll32.exe	29
PID 348 wrote to memory of 308	348	rundll32.exe	29
PID 348 wrote to memory of 308	348	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\KwLib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\KwLib.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 348 -s 228
    3⤵
    - Program crash
    PID:308