13405d31e40cc2cb7063f652436fc8e70839ef2dfbf1d2f019e90a1351384a3b | Triage

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 23:42

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

bf712f32249029466fa86756f5546950
SHA1

75ac4dc4808ac148ddd78f6b89a51afbd4091c2e
SHA256

7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af
SHA512

13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4
SSDEEP

192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2992 2968 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2944 wrote to memory of 2968	2944	rundll32.exe	rundll32.exe
PID 2944 wrote to memory of 2968	2944	rundll32.exe	rundll32.exe
PID 2944 wrote to memory of 2968	2944	rundll32.exe	rundll32.exe
PID 2944 wrote to memory of 2968	2944	rundll32.exe	rundll32.exe
PID 2944 wrote to memory of 2968	2944	rundll32.exe	rundll32.exe
PID 2944 wrote to memory of 2968	2944	rundll32.exe	rundll32.exe
PID 2944 wrote to memory of 2968	2944	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 2992	2968	rundll32.exe	WerFault.exe
PID 2968 wrote to memory of 2992	2968	rundll32.exe	WerFault.exe
PID 2968 wrote to memory of 2992	2968	rundll32.exe	WerFault.exe
PID 2968 wrote to memory of 2992	2968	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:2944

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 220
3⤵
- Program crash
PID:2992

Network

MITRE ATT&CK Matrix

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