a0e8d56559ae834123ccca88fbc04663a8f0adbf3da0b297f6dae798747318dd | Triage

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 23:02

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General

Target

$PLUGINSDIR/IS.dll
Size

94KB
MD5

194dcc4b0a5ad6b6f7c1f166d96c4476
SHA1

fb0390ac1e04a66f284adbd0af6e809bf5b0792e
SHA256

643e7fd4591d117c43515efc93d4ddbaf0879b14403531147f4c34a49275ffd6
SHA512

4161da2fddcd0561237082c639716aca566a7755dd0589c5b5d63d436dbb7df5838d2a7c8c11cbd74346d678cdb4c5b8022f78855f6a9613b17be9a47487af51
SSDEEP

1536:U1UtwmoXj9RStiVKF495Vme4s+TxcvAsWjcdUZmyFrNt:1y15zKF49LmeZ+TsUZmyFrNt

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2400 2388 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2148 wrote to memory of 2388	2148	rundll32.exe	rundll32.exe
PID 2148 wrote to memory of 2388	2148	rundll32.exe	rundll32.exe
PID 2148 wrote to memory of 2388	2148	rundll32.exe	rundll32.exe
PID 2148 wrote to memory of 2388	2148	rundll32.exe	rundll32.exe
PID 2148 wrote to memory of 2388	2148	rundll32.exe	rundll32.exe
PID 2148 wrote to memory of 2388	2148	rundll32.exe	rundll32.exe
PID 2148 wrote to memory of 2388	2148	rundll32.exe	rundll32.exe
PID 2388 wrote to memory of 2400	2388	rundll32.exe	WerFault.exe
PID 2388 wrote to memory of 2400	2388	rundll32.exe	WerFault.exe
PID 2388 wrote to memory of 2400	2388	rundll32.exe	WerFault.exe
PID 2388 wrote to memory of 2400	2388	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\IS.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2148

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\IS.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 220
3⤵
- Program crash
PID:2400

Network

MITRE ATT&CK Matrix

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