b5dc1c1a5d7112d19f225d14b0ba7e704994d619e6b2767be341cbeca885d933 | Triage

Analysis

max time kernel
147s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22/02/2024, 23:17

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

d458b8251443536e4a334147e0170e95
SHA1

ba8d4d580f1bc0bb2eaa8b9b02ee9e91b8b50fc3
SHA256

4913d4cccf84cd0534069107cff3e8e2f427160cad841547db9019310ac86cc7
SHA512

6ff523a74c3670b8b5cd92f62dcc6ea50b65a5d0d6e67ee1079bdb8a623b27dd10b9036a41aa8ec928200c85323c1a1f3b5c0948b59c0671de183617b65a96b1

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4256	3372	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 3372	2872	rundll32.exe	87
PID 2872 wrote to memory of 3372	2872	rundll32.exe	87
PID 2872 wrote to memory of 3372	2872	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  PID:3372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 612
    3⤵
    - Program crash
    PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3372 -ip 3372
1⤵
PID:1952

Network

MITRE ATT&CK Matrix

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