fa09d24d7481dbdfc1cff6aaa92d2aec908e037a22a02346f6feeee5d6ba688e | Triage

Analysis

max time kernel
90s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
02-06-2024 17:21

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General

Target

$PLUGINSDIR/extstrip.dll
Size

2KB
MD5

720cc2e5a1f83a7db72e009353f21ac0
SHA1

4b6ec18d4971738cbd9ba42211f51d5295f86002
SHA256

89e8931f2adba8aa67ce199a510965fd51ce430acf067478910c5b622827e08d
SHA512

a17fec91066e1ef7f1ef39b61cf077481dda12204690f5006010c9bfb1899721d10c22c3a95a7f6276d2689380eea93e32a45b24dd153ee9006c79ddb70ced80

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4328 4000 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3384 wrote to memory of 4000	3384	rundll32.exe	rundll32.exe
PID 3384 wrote to memory of 4000	3384	rundll32.exe	rundll32.exe
PID 3384 wrote to memory of 4000	3384	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\extstrip.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3384

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\extstrip.dll,#1
2⤵
PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 448
3⤵
- Program crash
PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4000 -ip 4000
1⤵
PID:5060

Network

MITRE ATT&CK Matrix

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