1a0b08df8b00187140cba1f2643cfcd5b912b1fd91249064d1fc7320759f88e7 | Triage

Analysis

max time kernel
139s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 01:40

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

fcad39646b416b4c2e0ea259554c3ec1
SHA1

8cb881913d923de35e6e131c2329b20ce51fe84f
SHA256

bc3872dbafefc41db2191b11b7371e988736dc12c9913bead1aa953dd28ef62b
SHA512

d81e00ac4828cce4ada42d28845d91601a98a6647d7b4fabad23e45b1aa529297fc554771b8cf8e484525e91a58f892ba5836263a81d6c061a54801abf0beecf

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4880 4412 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2776 wrote to memory of 4412	2776	rundll32.exe	rundll32.exe
PID 2776 wrote to memory of 4412	2776	rundll32.exe	rundll32.exe
PID 2776 wrote to memory of 4412	2776	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2776

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 612
3⤵
- Program crash
PID:4880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4412 -ip 4412
1⤵
PID:4100

Network

MITRE ATT&CK Matrix

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