d75ecbed0a0bfea3a71dde0aed0958e5d98e2890d520532a09a4e5321d7d680a | Triage

Analysis

max time kernel
1708s
max time network
1164s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
07-07-2023 07:29

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General

Target

libcrypto-1_1.dll
Size

2.5MB
MD5

31643a6540ba24cf98a97cef42634048
SHA1

0206d691eaa40885713327c11e000cb771a21703
SHA256

e36557189986f864b35c4f3d66b3356ce242c73217ec9ec5c3d66453c480633f
SHA512

5f5c74fecacb723126ff099ad7303af500b5125ecef2966fb3104d3668d07e836266680a7628a63a5a26200f6139bed77e7f5c7533a9934cb81be9857800de41
SSDEEP

49152:cmjrvGvz67Ltvwm98Iq1CPwDv3uFfJIfAE3C:cmjbXLim98b1CPwDv3uFfJ

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

436 756 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1272 wrote to memory of 756	1272	rundll32.exe	rundll32.exe
PID 1272 wrote to memory of 756	1272	rundll32.exe	rundll32.exe
PID 1272 wrote to memory of 756	1272	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-1_1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-1_1.dll,#1
2⤵
PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 632
3⤵
- Program crash
PID:436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 756 -ip 756
1⤵
PID:2656

Network

MITRE ATT&CK Matrix

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