913ecfd11233aba6a8af3480baa08d21d4d34729891e7caf840198393fc135d9 | Triage

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 03:08

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

2b54369538b0fb45e1bb9f49f71ce2db
SHA1

c20df42fda5854329e23826ba8f2015f506f7b92
SHA256

761dcdf12f41d119f49dbdca9bcab3928bbdfd8edd67e314d54689811f9d3e2f
SHA512

25e4898e3c082632dfd493756c4cc017decbef43ffa0b68f36d037841a33f2a1721f30314a85597ac30c7ecc99b7257ea43f3a903744179578a9c65fcf57a8b7
SSDEEP

192:ibEOXfXZQ6i1AZ2q6grklcm/iaULQAos:ib/41AZN6uklckLUJo

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2960 2948 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2388 wrote to memory of 2948	2388	rundll32.exe	rundll32.exe
PID 2388 wrote to memory of 2948	2388	rundll32.exe	rundll32.exe
PID 2388 wrote to memory of 2948	2388	rundll32.exe	rundll32.exe
PID 2388 wrote to memory of 2948	2388	rundll32.exe	rundll32.exe
PID 2388 wrote to memory of 2948	2388	rundll32.exe	rundll32.exe
PID 2388 wrote to memory of 2948	2388	rundll32.exe	rundll32.exe
PID 2388 wrote to memory of 2948	2388	rundll32.exe	rundll32.exe
PID 2948 wrote to memory of 2960	2948	rundll32.exe	WerFault.exe
PID 2948 wrote to memory of 2960	2948	rundll32.exe	WerFault.exe
PID 2948 wrote to memory of 2960	2948	rundll32.exe	WerFault.exe
PID 2948 wrote to memory of 2960	2948	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:2388

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 224
3⤵
- Program crash
PID:2960

Network

MITRE ATT&CK Matrix

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