30091faafd62ea7ba9868db2ee575dab98fd126a78d39590f57ea7b38b20d966 | Triage

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17-07-2024 11:56

240717-n32f5azaqj 10

17-07-2024 11:51

240717-n1gzpsyhqq 10

Analysis

max time kernel
148s
max time network
156s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
17-07-2024 11:56

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General

Target

$PLUGINSDIR/WinShell.dll
Size

3KB
MD5

1cc7c37b7e0c8cd8bf04b6cc283e1e56
SHA1

0b9519763be6625bd5abce175dcc59c96d100d4c
SHA256

9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
SHA512

7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1828 3112 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4208 wrote to memory of 3112	4208	rundll32.exe	rundll32.exe
PID 4208 wrote to memory of 3112	4208	rundll32.exe	rundll32.exe
PID 4208 wrote to memory of 3112	4208	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4208

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
2⤵
PID:3112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 460
3⤵
- Program crash
PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3112 -ip 3112
1⤵
PID:3656

Network

MITRE ATT&CK Matrix

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