553a1e4488f6cecb2348fc52b2fd0986f2021cb507c36462a10dbf7c8beb9aec | Triage

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 16:10

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General

Target

$PLUGINSDIR/UAC.dll
Size

17KB
MD5

09caf01bc8d88eeb733abc161acff659
SHA1

b8c2126d641f88628c632dd2259686da3776a6da
SHA256

3555afe95e8bb269240a21520361677b280562b802978fccfb27490c79b9a478
SHA512

ef1e8fc4fc8f5609483b2c459d00a47036699dfb70b6be6f10a30c5d2fc66bae174345bffa9a44abd9ca029e609ff834d701ff6a769cca09fe5562365d5010fa
SSDEEP

384:w9JzaeWrF8d22hXAGFkr2WqErkuCYMAWS5Ns8AXXki:wLaBrrTXr3qruCYuS5qk

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2040 1668 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2024 wrote to memory of 1668	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1668	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1668	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1668	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1668	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1668	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1668	2024	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2040	1668	rundll32.exe	WerFault.exe
PID 1668 wrote to memory of 2040	1668	rundll32.exe	WerFault.exe
PID 1668 wrote to memory of 2040	1668	rundll32.exe	WerFault.exe
PID 1668 wrote to memory of 2040	1668	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 224
3⤵
- Program crash
PID:2040

MITRE ATT&CK Matrix

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