ae2001d5b60a2f0bd8e72c0106363950cd9f68e9ce42b9a40b0af26814908809 | Triage

Analysis

max time kernel
90s
max time network
96s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
19-04-2024 12:40

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General

Target

$PLUGINSDIR/nsis7z.dll
Size

313KB
MD5

06a47571ac922f82c098622b2f5f6f63
SHA1

8a581c33b7f2029c41edaad55d024fc0d2d7c427
SHA256

e4ab3064f2e094910ae80104ef9d371ccb74ebbeeed592582cf099acd83f5fe9
SHA512

04b3d18042f1faa536e1393179f412a5644d2cf691fbc14970f79df5c0594eeedb0826b495807a3243f27aaa0380423c1f975fe857f32e057309bb3f2a529a83
SSDEEP

6144:rA9ssOlBrbYr5UP4m3mC/FvBbhQ1JzI+yQKiJGxdNtsm0:r2S165UP4mL/FvBtC8zQdSDmm0

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4088 1632 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3000 wrote to memory of 1632	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 1632	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 1632	3000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
2⤵
PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 448
3⤵
- Program crash
PID:4088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1632 -ip 1632
1⤵
PID:4048

Network

MITRE ATT&CK Matrix

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