fbe07d1afd27ab353daa2afacc2de87d8f5ec69f64bbd9246f31ebfe1731de9b | Triage

Analysis

max time kernel
363s
max time network
364s
platform
windows7_x64
resource
win7-20240215-es
resource tags

arch:x64arch:x86image:win7-20240215-eslocale:es-esos:windows7-x64systemwindows
submitted
22-04-2024 19:58

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

dc90f96b169dcc9151ee6e93b47446ea
SHA1

61e57bbe333a98d14f48815db7382ddbf90db642
SHA256

afc939ebfd66a6c972d2d6bbcb978559ab3427d1582935e45392f9912ef186ad
SHA512

11658c2342a2a686a012d81c602cd8e50861506dcee9d38c416bc60451cb1d7fc24e964875b8edfc22c9647f06ffe90088f83a60973eeaffa98538294af1d5ba

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1372 2164 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2152 wrote to memory of 2164	2152	rundll32.exe	rundll32.exe
PID 2152 wrote to memory of 2164	2152	rundll32.exe	rundll32.exe
PID 2152 wrote to memory of 2164	2152	rundll32.exe	rundll32.exe
PID 2152 wrote to memory of 2164	2152	rundll32.exe	rundll32.exe
PID 2152 wrote to memory of 2164	2152	rundll32.exe	rundll32.exe
PID 2152 wrote to memory of 2164	2152	rundll32.exe	rundll32.exe
PID 2152 wrote to memory of 2164	2152	rundll32.exe	rundll32.exe
PID 2164 wrote to memory of 1372	2164	rundll32.exe	WerFault.exe
PID 2164 wrote to memory of 1372	2164	rundll32.exe	WerFault.exe
PID 2164 wrote to memory of 1372	2164	rundll32.exe	WerFault.exe
PID 2164 wrote to memory of 1372	2164	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2152

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 220
3⤵
- Program crash
PID:1372

MITRE ATT&CK Matrix

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