560b03c4ba18e5a443f74a69727db0eabac6f455bb836757d620cc51615a92ea | Triage

Analysis

max time kernel
1565s
max time network
1566s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 16:50

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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

2920 2868 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2852 wrote to memory of 2868	2852	rundll32.exe	rundll32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	rundll32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	rundll32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	rundll32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	rundll32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	rundll32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	rundll32.exe
PID 2868 wrote to memory of 2920	2868	rundll32.exe	WerFault.exe
PID 2868 wrote to memory of 2920	2868	rundll32.exe	WerFault.exe
PID 2868 wrote to memory of 2920	2868	rundll32.exe	WerFault.exe
PID 2868 wrote to memory of 2920	2868	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 220
3⤵
- Program crash
PID:2920

Network

MITRE ATT&CK Matrix

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