46e327ef571621d208eb6c7e75b9a86a52f9ad1bbeec4def3ac237cea99669fb | Triage

Analysis

max time kernel
164s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 02:57

Sharing

Report Analysis Logs

General

Target

setup/WcnEapPeerProxy.dll
Size

20KB
MD5

25d8cb47b680c6760de1fd35c1faae22
SHA1

f3b7dfcee8dfe5bacb156af608952e5206abcde8
SHA256

f56bd1c4b1276a04445c6b741948133d466a360fe1ca698a6e501daa72152bba
SHA512

3ca4646c85d80aaa6a359cbcacb623e3e7141d6612c024883f30a46fa4e9abdd8ad8a27ed5dd108ae4e0c1303fd32b33f5da98c5642b994aaea84fa25cf7ce7c
SSDEEP

384:zZpMV2VO4djQxGb9ebAyoguiRpz+ox6q8ApmCWwXWmbBWuDF:Lf1iGbk+yt8oWclF

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4720	4564	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3820 wrote to memory of 4564	3820	rundll32.exe	87
PID 3820 wrote to memory of 4564	3820	rundll32.exe	87
PID 3820 wrote to memory of 4564	3820	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\setup\WcnEapPeerProxy.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\setup\WcnEapPeerProxy.dll,#1
  2⤵
  PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 600
    3⤵
    - Program crash
    PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
1⤵
PID:4608

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads