7ad39bfaf9ce17c54262523ec8c76e597f870b29226f40a10f8d4df03c308d4d | Triage

Analysis

max time kernel
129s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 06:52

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

8313b80c993dbf27b4b50d0a718f0913
SHA1

810972ca1b6587dbaf88192874bb9441db296429
SHA256

88829c8846c7059e499a15cb5abcddfcab63b56c19510d7a4cc418a4d9d742ba
SHA512

a53eda5f749102fa4ab1e8e916ad6fcc3e5563f28632f7b771413cdc6b3ec31d2d898ab3802ab047a8d8af5ebac445194a78ec38e7d20479e0f36cf8e81bb0df

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3528 4900 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1168 wrote to memory of 4900	1168	rundll32.exe	rundll32.exe
PID 1168 wrote to memory of 4900	1168	rundll32.exe	rundll32.exe
PID 1168 wrote to memory of 4900	1168	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:1168

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 612
3⤵
- Program crash
PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4900 -ip 4900
1⤵
PID:3280

Network

MITRE ATT&CK Matrix

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