204675ed11d30dd3dbc631f798b4364c128eb4e9413f1da195790abf880e8b9a | Triage

Analysis

max time kernel
125s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
12-08-2022 17:41

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General

Target

libbz2-1.dll
Size

103KB
MD5

0c6452935851b7cdb3a365aecd2dd260
SHA1

83ef3cd7f985acc113a6de364bdb376dbf8d2f48
SHA256

f8385d08bd44b213ff2a2c360fe01ae8a1eda5311c7e1fc1a043c524e899a8ed
SHA512

5ff21a85ee28665c4e707c7044f122d1bac8e408a06f8ea16e33a8c9201798d196fa65b24327f208c4ff415e24a5ad2414fe7a91d9c0b0d8cff88299111f2e1d

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4032 2172 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2864 wrote to memory of 2172	2864	rundll32.exe	rundll32.exe
PID 2864 wrote to memory of 2172	2864	rundll32.exe	rundll32.exe
PID 2864 wrote to memory of 2172	2864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libbz2-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2864

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libbz2-1.dll,#1
2⤵
PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 612
3⤵
- Program crash
PID:4032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2172 -ip 2172
1⤵
PID:2036

Network

MITRE ATT&CK Matrix

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Downloads

memory/2172-130-0x0000000000000000-mapping.dmp

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