027545e09f397707e98abf5c192c35e5b01a51a74edc2070b9f950140b5c3ef2 | Triage

Analysis

max time kernel
92s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-03-2024 01:34

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

51e63a9c5d6d230ef1c421b2eccd45dc
SHA1

c499cdad5c613d71ed3f7e93360f1bbc5748c45d
SHA256

cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f
SHA512

c23d713c3c834b3397c2a199490aed28f28d21f5781205c24df5e1e32365985c8a55be58f06979df09222740ffa51f4da764ebc3d912cd0c9d56ab6a33cab522
SSDEEP

96:W7GUaYNwCLuGFctpiKFlYJ8hH4RVHpwdEeY3kRlDr6dMqqyVgN738:Iygp3FcHi0xhYMR8dMqJVgN

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3332 4216 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1636 wrote to memory of 4216	1636	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 4216	1636	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 4216	1636	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
2⤵
PID:4216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 612
3⤵
- Program crash
PID:3332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4216 -ip 4216
1⤵
PID:4400

Network

MITRE ATT&CK Matrix

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