3a4fdb3a9b8a659cc336159f9473b70d747c22a357920e8052b9621f2a789310 | Triage

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
05-05-2024 14:40

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General

Target

InterVpn/bin/liblzo2-2.dll
Size

170KB
MD5

748c9e77053d3dec8bf238ae9c56f2ca
SHA1

eb2d6b4c0188bbf9a587c46e4de30c6e72133153
SHA256

a14881455c37240928d4ed3d95c44181675f685bc201ea97733dff346c34d97f
SHA512

31b744a57105d122d2150b5ab793620b73dbc28788be8484fa682e1cf6857f01102034e220b63d5709f6baa44b547df94e2c8aad6b5124b91e105e42d258e40b
SSDEEP

3072:qFJHDA3pJjFczZLhvZVxxC98SVUrSlUCV7rSJk/LFEc:p3ZIwEc

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2964 1256 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2012 wrote to memory of 1256	2012	rundll32.exe	rundll32.exe
PID 2012 wrote to memory of 1256	2012	rundll32.exe	rundll32.exe
PID 2012 wrote to memory of 1256	2012	rundll32.exe	rundll32.exe
PID 2012 wrote to memory of 1256	2012	rundll32.exe	rundll32.exe
PID 2012 wrote to memory of 1256	2012	rundll32.exe	rundll32.exe
PID 2012 wrote to memory of 1256	2012	rundll32.exe	rundll32.exe
PID 2012 wrote to memory of 1256	2012	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 2964	1256	rundll32.exe	WerFault.exe
PID 1256 wrote to memory of 2964	1256	rundll32.exe	WerFault.exe
PID 1256 wrote to memory of 2964	1256	rundll32.exe	WerFault.exe
PID 1256 wrote to memory of 2964	1256	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\InterVpn\bin\liblzo2-2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\InterVpn\bin\liblzo2-2.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 224
3⤵
- Program crash
PID:2964

MITRE ATT&CK Matrix

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Downloads

memory/1256-0-0x000000006CB80000-0x000000006CBAE000-memory.dmp

Filesize
184KB

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