ae2001d5b60a2f0bd8e72c0106363950cd9f68e9ce42b9a40b0af26814908809 | Triage

Analysis

max time kernel
92s
max time network
96s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
19-04-2024 12:40

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

ca332bb753b0775d5e806e236ddcec55
SHA1

f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f
SHA256

df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d
SHA512

2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00
SSDEEP

192:eo24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol6Sl:k8QIl975eXqlWBrz7YLOl6

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2224 1356 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4144 wrote to memory of 1356	4144	rundll32.exe	rundll32.exe
PID 4144 wrote to memory of 1356	4144	rundll32.exe	rundll32.exe
PID 4144 wrote to memory of 1356	4144	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4144

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
PID:1356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 460
3⤵
- Program crash
PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1356 -ip 1356
1⤵
PID:4420

Network

MITRE ATT&CK Matrix

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