22ed4f6e54f0e4bd471070a781d488dc0b374887f9c587a535d0ad04450bf812 | Triage

Analysis

max time kernel
140s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 14:10

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General

Target

$PLUGINSDIR/nsExec.dll
Size

8KB
MD5

9f4abe9c1c095cdb505df5db52644d44
SHA1

94295f495f5535e0143107d3ca34141c943ec0b5
SHA256

e41bd375070919e1e194a7c1ca722a30d648a7fa7a4b5c33fb05660813c18bdf
SHA512

d1b6ab6d3e51f69e6ec79aa23629afc9ddedd8a7a668ea61b06bec115c95e2a35dca3ff9b9eb649e4bfece9a2fcd0832fed45f2308dca874f6e819708ed48169
SSDEEP

192:k/QeHNWSvUTfWdXw08LYKFayGLb3MRlbOVlR:OjBvwudT8LJxGnMRlyVlR

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4624 3756 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2460 wrote to memory of 3756	2460	rundll32.exe	rundll32.exe
PID 2460 wrote to memory of 3756	2460	rundll32.exe	rundll32.exe
PID 2460 wrote to memory of 3756	2460	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:2460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  PID:3756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 612
    3⤵
    - Program crash
    PID:4624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3756 -ip 3756
1⤵
PID:1620

Network

MITRE ATT&CK Matrix

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Downloads

memory/3756-0-0x000000006E940000-0x000000006E948000-memory.dmp

Filesize
32KB

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