7ad39bfaf9ce17c54262523ec8c76e597f870b29226f40a10f8d4df03c308d4d | Triage

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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

1796 2352 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3000 wrote to memory of 2352	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2352	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2352	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2352	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2352	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2352	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2352	3000	rundll32.exe	rundll32.exe
PID 2352 wrote to memory of 1796	2352	rundll32.exe	WerFault.exe
PID 2352 wrote to memory of 1796	2352	rundll32.exe	WerFault.exe
PID 2352 wrote to memory of 1796	2352	rundll32.exe	WerFault.exe
PID 2352 wrote to memory of 1796	2352	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:3000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 224
3⤵
- Program crash
PID:1796

MITRE ATT&CK Matrix

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