ae391fc544c6a8ba2ae2b03d2aa1926148603f55a1d56aa23ae26ae07eb6cda1 | Triage

Analysis

max time kernel
446s
max time network
1175s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
06-04-2024 21:07

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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

pid	pid_target	Process	procid_target
3136	2280	WerFault.exe	77

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 2280	952	rundll32.exe	77
PID 952 wrote to memory of 2280	952	rundll32.exe	77
PID 952 wrote to memory of 2280	952	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  PID:2280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 468
    3⤵
    - Program crash
    PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2280 -ip 2280
1⤵
PID:3188

Network

MITRE ATT&CK Matrix

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