a213e0faf45cabad343b34a05a65ef437bed06fdf392a01a25b28def670a70e2 | Triage

Analysis

max time kernel
87s
max time network
89s
platform
windows11-21h2_x64
resource
win11-20240214-en
resource tags

arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
submitted
02-04-2024 20:56

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

ca332bb753b0775d5e806e236ddcec55
SHA1

f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f
SHA256

df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d
SHA512

2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00
SSDEEP

192:eo24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol6Sl:k8QIl975eXqlWBrz7YLOl6

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1436	4520	WerFault.exe	77

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 4520	1672	rundll32.exe	77
PID 1672 wrote to memory of 4520	1672	rundll32.exe	77
PID 1672 wrote to memory of 4520	1672	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:4520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 460
    3⤵
    - Program crash
    PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4520 -ip 4520
1⤵
PID:2096

Network

MITRE ATT&CK Matrix

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