a794ac78882a744b97acebed7a6a76ac8b3cfdef9d38bd891aa262081e303d52 | Triage

Analysis

max time kernel
147s
max time network
161s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
01/02/2024, 15:22

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

a4dd044bcd94e9b3370ccf095b31f896
SHA1

17c78201323ab2095bc53184aa8267c9187d5173
SHA256

2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
SHA512

87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
SSDEEP

192:em24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlESl:m8QIl975eXqlWBrz7YLOlE

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1072	2416	WerFault.exe	69

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 2416	3276	rundll32.exe	69
PID 3276 wrote to memory of 2416	3276	rundll32.exe	69
PID 3276 wrote to memory of 2416	3276	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3276
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:2416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 460
    3⤵
    - Program crash
    PID:1072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2416 -ip 2416
1⤵
PID:3144

Network

MITRE ATT&CK Matrix

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Downloads