ae2001d5b60a2f0bd8e72c0106363950cd9f68e9ce42b9a40b0af26814908809 | Triage

Analysis

max time kernel
146s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
19-04-2024 12:40

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

ec62e1a8d16d8f1b0eb792aa26e5de5c
SHA1

faa219618aec99cffb81c312728dc56c1fdc5798
SHA256

193d396fc7be5fed9d585de3c43e23d640c1dce725499f0274b3898c248545aa
SHA512

cb3f3458cf734ab7b964ed25cac87ff2938292eed9caae1305b2e5975bde885f4d8b06d05d4099ef614982cd55d97e9ddc0f13bbe2cdd9fb642d008788ed3017
SSDEEP

96:O7fhZwXd8KgEbAa9PweF1WxD8ZLMJGgmkNp38:/N8KgWAuLWxD8ZAGgmkN

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4652 1612 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4580 wrote to memory of 1612	4580	rundll32.exe	rundll32.exe
PID 4580 wrote to memory of 1612	4580	rundll32.exe	rundll32.exe
PID 4580 wrote to memory of 1612	4580	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:4580

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
2⤵
PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 476
3⤵
- Program crash
PID:4652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1612 -ip 1612
1⤵
PID:2544

Network

MITRE ATT&CK Matrix

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Downloads