f6a5826ce051383ccb2054a121186fe321efe92f9a6bf49f84b13f518f29175d | Triage

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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

1772 2416 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2408 wrote to memory of 2416	2408	rundll32.exe	rundll32.exe
PID 2408 wrote to memory of 2416	2408	rundll32.exe	rundll32.exe
PID 2408 wrote to memory of 2416	2408	rundll32.exe	rundll32.exe
PID 2408 wrote to memory of 2416	2408	rundll32.exe	rundll32.exe
PID 2408 wrote to memory of 2416	2408	rundll32.exe	rundll32.exe
PID 2408 wrote to memory of 2416	2408	rundll32.exe	rundll32.exe
PID 2408 wrote to memory of 2416	2408	rundll32.exe	rundll32.exe
PID 2416 wrote to memory of 1772	2416	rundll32.exe	WerFault.exe
PID 2416 wrote to memory of 1772	2416	rundll32.exe	WerFault.exe
PID 2416 wrote to memory of 1772	2416	rundll32.exe	WerFault.exe
PID 2416 wrote to memory of 1772	2416	rundll32.exe	WerFault.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:2408

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\iis_rewrite\Rewrite.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 260
3⤵
- Program crash
PID:1772

Network

MITRE ATT&CK Matrix

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