99115734cd54abadcb5b7d355e627f2b1e02ab18c8d0a70590270581d9e09e13 | Triage

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 16:15

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

d4d09da0218ba046a66a294f0cca9dfe
SHA1

417b1acdeb0a4de6ac752a93080ca5b9164eb44b
SHA256

9090e47d239aa1da9598a483861165e0153c01ad9ff9d65cb6c0f4497a1da5b3
SHA512

3bc9a65842301dab56c139cc5a3457158d37ef294583728c93da1e11ae457df9551b0f8fbd03d5ea3058f3bc794d0ede57ea3efd5d663b45d25647a39cd955bf
SSDEEP

192:/OSsJI/rqmIDNLU0dq51EgAiNbubv6nLZ:pHQQ0d01Egbq76n

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2104 2220 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3060 wrote to memory of 2220	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2220	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2220	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2220	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2220	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2220	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2220	3060	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 2104	2220	rundll32.exe	WerFault.exe
PID 2220 wrote to memory of 2104	2220	rundll32.exe	WerFault.exe
PID 2220 wrote to memory of 2104	2220	rundll32.exe	WerFault.exe
PID 2220 wrote to memory of 2104	2220	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:3060

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 228
3⤵
- Program crash
PID:2104

MITRE ATT&CK Matrix

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