051a80a2a82dd18faa9d0738c5403f3f0dbd0926e0525a445596cc6ef2d7d754 | Triage

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 23:51

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General

Target

$_2_/curllib.dll
Size

228KB
MD5

45882035d3e92e52b511c497432c0f80
SHA1

beebd03fafda345f2068c8892272d66bf7726ac2
SHA256

f79808272d03aa7a2e904438f97a63dee8d0d62fd4ed77709eb80ca3bdba6510
SHA512

4a00a0d8d0dd4fa3774722c5dad647e86127f1a1abe83df7b80388c6ef1aa69089402fc12a06a3fc4f800335db5ca99345b8d75b584a2b467f9a43254c303817
SSDEEP

6144:8AGm5prJ+hxfZZmfrnY4LwKFWj6sd+xAI9:8AGm5/++rn3W+F

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1812 2320 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2180 wrote to memory of 2320	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2320	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2320	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2320	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2320	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2320	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 2320	2180	rundll32.exe	rundll32.exe
PID 2320 wrote to memory of 1812	2320	rundll32.exe	WerFault.exe
PID 2320 wrote to memory of 1812	2320	rundll32.exe	WerFault.exe
PID 2320 wrote to memory of 1812	2320	rundll32.exe	WerFault.exe
PID 2320 wrote to memory of 1812	2320	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_2_\curllib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_2_\curllib.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 236
    3⤵
    - Program crash
    PID:1812

Network

MITRE ATT&CK Matrix

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