100dba151efe66c842fde4337857fd3db4568c1e3ee008e412927e67ed72094e | Triage

Analysis

max time kernel
89s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
09/05/2024, 18:20

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General

Target

$PLUGINSDIR/System.dll
Size

12KB
MD5

792b6f86e296d3904285b2bf67ccd7e0
SHA1

966b16f84697552747e0ddd19a4ba8ab5083af31
SHA256

c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
SHA512

97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c
SSDEEP

192:rFiQJ771Jt17C8F1A5xjGNNvgFOiLb7lrT/L93:X71Jt48F2eNvgFF/L

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2284	1896	WerFault.exe	79

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 1896	3020	rundll32.exe	79
PID 3020 wrote to memory of 1896	3020	rundll32.exe	79
PID 3020 wrote to memory of 1896	3020	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:1896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 460
    3⤵
    - Program crash
    PID:2284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1896 -ip 1896
1⤵
PID:876

Network

MITRE ATT&CK Matrix

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