2f2389c4427f79cb94d8d4fb3650b1cf0a27c0fc8996cf9edd061aa8b74fb6c4 | Triage

Analysis

max time kernel
296s
max time network
319s
platform
windows10-1703_x64
resource
win10-20230220-es
resource tags

arch:x64arch:x86image:win10-20230220-eslocale:es-esos:windows10-1703-x64systemwindows
submitted
02-04-2023 17:50

Sharing

Report Analysis Logs

General

Target

Oneshot/libbz2.dll
Size

247KB
MD5

1d72f15b2d1ec29749fb08d185509b0d
SHA1

e4d48359b5c0aa249889e0f09b6a02ff0c7f7cd1
SHA256

eefb014081d8491510af93745d2991b959f6e5e5b421cd5bfc1dfd9f0e1eb856
SHA512

5376d1e98d05195bb60e74db80f02d84abf25ff75700107fa48447d01b35129049e2401a25ec0b50938d80635acf3ae0b384e1585942eacb1d28454d60ddd202
SSDEEP

3072:mz6SOHugv0+LwH2E8qdvHMIy9uLm0qimKa1yU1GpW2RHuaVQSout:tSOHB8+LwWXGMIy9uaDyHpW4Hu0

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5008 4500 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4176 wrote to memory of 4500	4176	rundll32.exe	rundll32.exe
PID 4176 wrote to memory of 4500	4176	rundll32.exe	rundll32.exe
PID 4176 wrote to memory of 4500	4176	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oneshot\libbz2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4176

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oneshot\libbz2.dll,#1
2⤵
PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 616
3⤵
- Program crash
PID:5008

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4500-119-0x0000000061980000-0x00000000619C2000-memory.dmp

Filesize
264KB

Download