a87cb54986607413406f6f3e5b5b314b3871080658f5e73ddf77d9e40a635828 | Triage

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 01:52

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General

Target

$PLUGINSDIR/System.dll
Size

12KB
MD5

192639861e3dc2dc5c08bb8f8c7260d5
SHA1

58d30e460609e22fa0098bc27d928b689ef9af78
SHA256

23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
SHA512

6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc
SSDEEP

192:ljHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZqE0QPi:R/Qlt7wiij/lMRv/9V4bfr

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1708 1612 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1624 wrote to memory of 1612	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1612	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1612	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1612	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1612	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1612	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1612	1624	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 1708	1612	rundll32.exe	WerFault.exe
PID 1612 wrote to memory of 1708	1612	rundll32.exe	WerFault.exe
PID 1612 wrote to memory of 1708	1612	rundll32.exe	WerFault.exe
PID 1612 wrote to memory of 1708	1612	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 220
3⤵
- Program crash
PID:1708

Network

MITRE ATT&CK Matrix

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