df5b4f8f0a459bb640a2a42028d9c9afd048d136ae98583d4040b01b07260167 | Triage

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 01:41

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

b666f31c4c24be1d4d47cfb55dd35f96
SHA1

fee917ead511a6c14538c72539fa740edc7d82c5
SHA256

07aefeeea75705edcc3a21ac7dc4b5b837c234c041b725c245b50a73ffabb78a
SHA512

6dd69a085b6b2a2671ec6545bae27a72151457ccd76c3bc43a4544f4910fd8791251fb08c2f068d54dd91a6093bed50a80afb68875a9ddf29ae43c42a7337bc8
SSDEEP

192:9zjFtTLkrepielWXsUs5RRvD4feuy9It2h8rGfgv:9PjyGqBfeuyeGYv

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2840 2300 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2972 wrote to memory of 2300	2972	rundll32.exe	rundll32.exe
PID 2972 wrote to memory of 2300	2972	rundll32.exe	rundll32.exe
PID 2972 wrote to memory of 2300	2972	rundll32.exe	rundll32.exe
PID 2972 wrote to memory of 2300	2972	rundll32.exe	rundll32.exe
PID 2972 wrote to memory of 2300	2972	rundll32.exe	rundll32.exe
PID 2972 wrote to memory of 2300	2972	rundll32.exe	rundll32.exe
PID 2972 wrote to memory of 2300	2972	rundll32.exe	rundll32.exe
PID 2300 wrote to memory of 2840	2300	rundll32.exe	WerFault.exe
PID 2300 wrote to memory of 2840	2300	rundll32.exe	WerFault.exe
PID 2300 wrote to memory of 2840	2300	rundll32.exe	WerFault.exe
PID 2300 wrote to memory of 2840	2300	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2972

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 224
3⤵
- Program crash
PID:2840

MITRE ATT&CK Matrix

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