f6a5826ce051383ccb2054a121186fe321efe92f9a6bf49f84b13f518f29175d | Triage

Analysis

max time kernel
93s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19-07-2024 19:01

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General

Target

iis_rewrite/Rewrite.dll
Size

136KB
MD5

afe04864cb12e4a50dbf78cc7a0286b3
SHA1

8c979cc31ff93269b362545e46a2edef7482b7c4
SHA256

318fc2f6025aaeed7a236e57b4b6fc86ab218c9dd49bf2d0b027dcccb9a49499
SHA512

e88f202679e55c779335e587841731903c2bebbc4049dfdf9da8c644a906f15805e8a9da20824145b3629a85a4f4385b5a72a7a77d640d6ef2e85b677cf3001b
SSDEEP

3072:vODKsHGDzhimd4xW0BUPpj9WImxHWwkuqihyg9:11bj9WIUTVyg

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

216 1708 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4316 wrote to memory of 1708	4316	rundll32.exe	rundll32.exe
PID 4316 wrote to memory of 1708	4316	rundll32.exe	rundll32.exe
PID 4316 wrote to memory of 1708	4316	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\iis_rewrite\Rewrite.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4316

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\iis_rewrite\Rewrite.dll,#1
2⤵
PID:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 704
3⤵
- Program crash
PID:216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1708 -ip 1708
1⤵
PID:4648

Network

MITRE ATT&CK Matrix

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