16771b1ced89bed951c8311cf2e67c9a1f4398f3f7335d4ed11bbcfbc8a3f00d | Triage

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 01:57

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

c7ce0e47c83525983fd2c4c9566b4aad
SHA1

38b7ad7bb32ffae35540fce373b8a671878dc54e
SHA256

6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae
SHA512

ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2108 1100 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1084 wrote to memory of 1100	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1100	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1100	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1100	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1100	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1100	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1100	1084	rundll32.exe	rundll32.exe
PID 1100 wrote to memory of 2108	1100	rundll32.exe	WerFault.exe
PID 1100 wrote to memory of 2108	1100	rundll32.exe	WerFault.exe
PID 1100 wrote to memory of 2108	1100	rundll32.exe	WerFault.exe
PID 1100 wrote to memory of 2108	1100	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:1084

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 224
3⤵
- Program crash
PID:2108

Network

MITRE ATT&CK Matrix

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