f2f7bdbf9f848186a93ac312fb3ff72c57ea7229ee4e92bcd35657170c7566f7 | Triage

Analysis

max time kernel
140s
max time network
235s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2023 04:46

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General

Target

libExtensions.dll
Size

280KB
MD5

8721e2bbc21422b7f57cacfca8dd8520
SHA1

617bad17977389a6571e13939b7bbb34d716bed7
SHA256

e74fcb658ca38bf123e64cbcf663edb257ab63d73f29164b706d33b68d511ae1
SHA512

8f08e8e42b73562596c83e9afe02b4f305ee35f46981897f44147811c4d91ecfb1795a5f69883a756ff8c6febedd7ae5efff5a11c7c503403cad5c5d1b36675a
SSDEEP

6144:DjjeDzyKCMijQaErrHr5CE7D7gcGRCYG6Ls5QQMe2:SDzyBjZMHr5CE7DPgLs

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4012 4392 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3076 wrote to memory of 4392	3076	rundll32.exe	rundll32.exe
PID 3076 wrote to memory of 4392	3076	rundll32.exe	rundll32.exe
PID 3076 wrote to memory of 4392	3076	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libExtensions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3076

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libExtensions.dll,#1
2⤵
PID:4392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 596
3⤵
- Program crash
PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4392 -ip 4392
1⤵
PID:844

Network

MITRE ATT&CK Matrix

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