b06842757fdca6faf5f5509093fc50ee620e0f183882438221e27acae4d9e33f | Triage

Analysis

max time kernel
144s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-04-2024 17:02

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General

Target

openvdb.dll
Size

2.3MB
MD5

b5f8f4ff9e4e1daeeaf58ccc4efdc2e6
SHA1

54e826f10e1e85a89ae38ad6a5448ab16048b6a0
SHA256

ddafc5a9ad718305c1f448481af7225282c51d75b5c38859ceef8f86038f499d
SHA512

850ea8693bb7f61a823bcfbb32ac73de6307d336267ca7e85ed693ebb041e7201e176a4b849b946b0583218191e908b5a5949dcfaf96da0666368ac50b679e89
SSDEEP

49152:DoLu0ypHuQAuGQRimVzbrZWk6UndnyQBo2mxL9Oe9Fbt+m/r7fDsxJTGQ+0g:rZimVzbrZWk6UndyQCDH

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

624 5012 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3976 wrote to memory of 5012	3976	rundll32.exe	rundll32.exe
PID 3976 wrote to memory of 5012	3976	rundll32.exe	rundll32.exe
PID 3976 wrote to memory of 5012	3976	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\openvdb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3976

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\openvdb.dll,#1
2⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 616
3⤵
- Program crash
PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 5012 -ip 5012
1⤵
PID:1284

Network

MITRE ATT&CK Matrix

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