8c9e31e716cc7ab5de246976e9d6a683233e97688e627d3d9202f096aa598af2 | Triage

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 02:51

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

4cf3a81ab4579b30117c8a39a489d51d
SHA1

61af475e11e4e79e6a11e761fcb540d9c5eec0e9
SHA256

29f4a1c87161643e0ed5c46b46786d9a48437ec5dc6b99f4ff14037429e6e20a
SHA512

885d131304afbe92b9b0a16830b6b34c6b78e44f972c20aad63cf3695a400f2d82cf217753da2a2e5e399fdd5dd3306a257e9501a86884cad853e01ee125a664
SSDEEP

192:FN2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Jx:6JoiO8V2upW7vQjS/

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3428 1864 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4824 wrote to memory of 1864	4824	rundll32.exe	rundll32.exe
PID 4824 wrote to memory of 1864	4824	rundll32.exe	rundll32.exe
PID 4824 wrote to memory of 1864	4824	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4824

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
PID:1864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 612
3⤵
- Program crash
PID:3428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1864 -ip 1864
1⤵
PID:1832

Network

MITRE ATT&CK Matrix

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