74db459fa4253ae77a92e6fb176933a7205a0413a92b722ce6821b11ffd22422 | Triage

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 02:09

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

a78507ea1078cadaa8b2ec1a2e1d874f
SHA1

77fe20488444ebbaafc5b2c0743251a94edc3b8e
SHA256

93d1e681daebfd24ff9fab3952e8ae94eddbdfb3650937988c1fd8085991610e
SHA512

0399452c7305f23576d4175ec198ad8da8a530215e9304632b20bcb41a38fa0ba2c1c0b0b734b9f887851c92c7f2cf4cdfad403ace84e63318c0694402e1f270
SSDEEP

192:8trS5c+oKreH53n2fUC1lfeTf9OJCzD4/IVqh88GrgU6H:/jrd09O3/IcG8U6H

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2244 2248 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1136 wrote to memory of 2248	1136	rundll32.exe	rundll32.exe
PID 1136 wrote to memory of 2248	1136	rundll32.exe	rundll32.exe
PID 1136 wrote to memory of 2248	1136	rundll32.exe	rundll32.exe
PID 1136 wrote to memory of 2248	1136	rundll32.exe	rundll32.exe
PID 1136 wrote to memory of 2248	1136	rundll32.exe	rundll32.exe
PID 1136 wrote to memory of 2248	1136	rundll32.exe	rundll32.exe
PID 1136 wrote to memory of 2248	1136	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 2244	2248	rundll32.exe	WerFault.exe
PID 2248 wrote to memory of 2244	2248	rundll32.exe	WerFault.exe
PID 2248 wrote to memory of 2244	2248	rundll32.exe	WerFault.exe
PID 2248 wrote to memory of 2244	2248	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:1136

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 224
3⤵
- Program crash
PID:2244

Network

MITRE ATT&CK Matrix

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