b06842757fdca6faf5f5509093fc50ee620e0f183882438221e27acae4d9e33f | Triage

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
01-04-2024 17:02

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General

Target

libcrypto-1_1.dll
Size

2.4MB
MD5

c58b2589b88c5da34df20f737b7ac50c
SHA1

05ed6edafd5342b546fb5d5a6162695f11f5d4da
SHA256

49b26d14cf68a370de47f8f3724e46e61bff98aba7dd7b8a7c1f87e83bb44064
SHA512

4e2db4133fdb69dcc7a03201810b10cf9519dd7cdea8ff3fc496779d84556502cdb562d67f60a0503493705b622d1cb772fc9acb4935aa4fb6a6cbdf7b4b211f
SSDEEP

49152:cpYmacH4RqsChSv/2d8n91CPwDv3uFZjyXPn7d1:cpYnSVhQ2d891CPwDv3uFZjy

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2140 2124 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2908 wrote to memory of 2124	2908	rundll32.exe	rundll32.exe
PID 2908 wrote to memory of 2124	2908	rundll32.exe	rundll32.exe
PID 2908 wrote to memory of 2124	2908	rundll32.exe	rundll32.exe
PID 2908 wrote to memory of 2124	2908	rundll32.exe	rundll32.exe
PID 2908 wrote to memory of 2124	2908	rundll32.exe	rundll32.exe
PID 2908 wrote to memory of 2124	2908	rundll32.exe	rundll32.exe
PID 2908 wrote to memory of 2124	2908	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 2140	2124	rundll32.exe	WerFault.exe
PID 2124 wrote to memory of 2140	2124	rundll32.exe	WerFault.exe
PID 2124 wrote to memory of 2140	2124	rundll32.exe	WerFault.exe
PID 2124 wrote to memory of 2140	2124	rundll32.exe	WerFault.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:2908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-1_1.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 224
3⤵
- Program crash
PID:2140

MITRE ATT&CK Matrix

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