df5b4f8f0a459bb640a2a42028d9c9afd048d136ae98583d4040b01b07260167 | Triage

Analysis

max time kernel
139s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 01:41

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General

Target

$PLUGINSDIR/nsWeb2.dll
Size

197KB
MD5

d8113c015116547827b0cdc4869c244a
SHA1

82392f5483c6c175b3955cdf39aa87d550266ecc
SHA256

b7baa631014fbda8fdce67c8b660de8507aaee9b8c572d21746b3078341d3885
SHA512

907c61006a58dcafa812f03fa08b58814950f66e9019bfcc12eefc59b0f7ab2ddee040e2ab162b7e09c3f47cdc71c914307a6fe7b89e11033edea7131fc2f563
SSDEEP

3072:js1jmrert4EBLiFM1cKaWHcW8muKCs429ZSQStnB2:jsMaQNugi

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2200 3696 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 384 wrote to memory of 3696	384	rundll32.exe	rundll32.exe
PID 384 wrote to memory of 3696	384	rundll32.exe	rundll32.exe
PID 384 wrote to memory of 3696	384	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWeb2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:384

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWeb2.dll,#1
2⤵
PID:3696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 620
3⤵
- Program crash
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3696 -ip 3696
1⤵
PID:3928

Network

MITRE ATT&CK Matrix

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