85156b6391d646dfd0a9e8fbfba5bf234e1f629c78f0844034330a862fd77c1c | Triage

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 05:47

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General

Target

$PLUGINSDIR/nsDialogs.dll
Size

9KB
MD5

7823fc560926dcd8741de6f0b900083f
SHA1

93dc0a704bc0b8f90668548e36daf459be0ae10a
SHA256

ca869d6c6752aa4a8a6c874a694b543442992d7e854d0c48a1b60bca01a8c8c6
SHA512

c79509cd306638ea9badec64ed9f7d0690e46fcab7ac77f25134065b628e76d2812f2d874ea2cc4283685c567b613a39d27b9fc4a6de2d4b9d30131f3161c4e9
SSDEEP

192:SzQhZDqlJcKISw99ioU3MSfwLF/+nhHUVsdz:SzoZDGKYw9goWyFGBU4z

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process

3020 2912 WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2140 wrote to memory of 2912	2140	rundll32.exe	rundll32.exe
PID 2140 wrote to memory of 2912	2140	rundll32.exe	rundll32.exe
PID 2140 wrote to memory of 2912	2140	rundll32.exe	rundll32.exe
PID 2140 wrote to memory of 2912	2140	rundll32.exe	rundll32.exe
PID 2140 wrote to memory of 2912	2140	rundll32.exe	rundll32.exe
PID 2140 wrote to memory of 2912	2140	rundll32.exe	rundll32.exe
PID 2140 wrote to memory of 2912	2140	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 3020	2912	rundll32.exe	WerFault.exe
PID 2912 wrote to memory of 3020	2912	rundll32.exe	WerFault.exe
PID 2912 wrote to memory of 3020	2912	rundll32.exe	WerFault.exe
PID 2912 wrote to memory of 3020	2912	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2140

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 248
3⤵
- Program crash
PID:3020

MITRE ATT&CK Matrix

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