45a431ea52615c2f18f7b9e7999c9a5d4f69bf1d680243ad78f28f99e901c6d8

Analysis

max time kernel
139s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
02-05-2024 19:33

Target

rat/old.dll
Size

36.1MB
MD5

38bf550f8d73ea9791d7778d9b6b44a8
SHA1

67bf70a4d78f9f18b1af30cd9c85c632b52188c1
SHA256

ed6566cd8828d0d9a7bd2bd7731df7703977d9b18fa7ede31bb8b1835b12da78
SHA512

cfff6d55b90a42be22d09aaf30eed718b71fff8bfddab2404e968359a18ab8aec679a4ca85e144d3527602fd515a03724e897addd68865e796b0a387f582fd7f
SSDEEP

393216:g4S82OrtN+zJkGsF20dH5ZXtpKjzw1QxgvLqmNAmjpy:7OOrtN+zJkGsF2OZZXuv4GcLjp

Score

3^/10

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2860 5076 WerFault.exe rundll32.exe
2452 5076 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2860	5076	WerFault.exe	rundll32.exe
2452	5076	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 5048 wrote to memory of 5076	5048	rundll32.exe	rundll32.exe
PID 5048 wrote to memory of 5076	5048	rundll32.exe	rundll32.exe
PID 5048 wrote to memory of 5076	5048	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rat\old.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\rat\old.dll,#1
  2⤵
  PID:5076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 560
    3⤵
    - Program crash
    PID:2860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 848
    3⤵
    - Program crash
    PID:2452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5076 -ip 5076
1⤵
PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5076 -ip 5076
1⤵
PID:2256