aa8b2bdf7aea5d39df6921fcff7da3c813ee4c52b0773d4e82089e1f1b724d2d | Triage

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:19

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General

Target

$PLUGINSDIR/System.dll
Size

12KB
MD5

cff85c549d536f651d4fb8387f1976f2
SHA1

d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA256

8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
SHA512

531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
SSDEEP

192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2960 2952 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2888 wrote to memory of 2952	2888	rundll32.exe	rundll32.exe
PID 2888 wrote to memory of 2952	2888	rundll32.exe	rundll32.exe
PID 2888 wrote to memory of 2952	2888	rundll32.exe	rundll32.exe
PID 2888 wrote to memory of 2952	2888	rundll32.exe	rundll32.exe
PID 2888 wrote to memory of 2952	2888	rundll32.exe	rundll32.exe
PID 2888 wrote to memory of 2952	2888	rundll32.exe	rundll32.exe
PID 2888 wrote to memory of 2952	2888	rundll32.exe	rundll32.exe
PID 2952 wrote to memory of 2960	2952	rundll32.exe	WerFault.exe
PID 2952 wrote to memory of 2960	2952	rundll32.exe	WerFault.exe
PID 2952 wrote to memory of 2960	2952	rundll32.exe	WerFault.exe
PID 2952 wrote to memory of 2960	2952	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:2888

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 220
3⤵
- Program crash
PID:2960

Network

MITRE ATT&CK Matrix

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