f4665a7274e113691256ab2e8d894098a5861558492ad71ee76544d029a172c1 | Triage

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 22:54

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General

Target

FileOperator.dll
Size

84KB
MD5

980eba5a8136d6817095e3dbc3fb0e0c
SHA1

979b280a76b05a2c5a5ab7f19e08ac577de08b53
SHA256

d1b86efc564ee0ee606abd7902735e4a42dac59e61f9ddc4e402f12ef7d6dea1
SHA512

299497929cd06a67b4f26a418eeb35d458a9bb03628f05755d5a3e58a4a9b90701cea7363391261d442007ab58250a6598018e1359b624f21192c6de78dfbf85
SSDEEP

1536:ZRhLlzgIY2+hzqs+esigOKe6ROn2P73Abw6VXqelbaxc9Yju:ZD5zglOOKe6RO2zAbbXpbaxc9cu

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3012 3040 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3016 wrote to memory of 3040	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3040	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3040	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3040	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3040	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3040	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3040	3016	rundll32.exe	rundll32.exe
PID 3040 wrote to memory of 3012	3040	rundll32.exe	WerFault.exe
PID 3040 wrote to memory of 3012	3040	rundll32.exe	WerFault.exe
PID 3040 wrote to memory of 3012	3040	rundll32.exe	WerFault.exe
PID 3040 wrote to memory of 3012	3040	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileOperator.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileOperator.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 236
3⤵
- Program crash
PID:3012

MITRE ATT&CK Matrix

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