2f2389c4427f79cb94d8d4fb3650b1cf0a27c0fc8996cf9edd061aa8b74fb6c4 | Triage

Analysis

max time kernel
291s
max time network
329s
platform
windows10-1703_x64
resource
win10-20230220-es
resource tags

arch:x64arch:x86image:win10-20230220-eslocale:es-esos:windows10-1703-x64systemwindows
submitted
02-04-2023 17:50

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General

Target

Oneshot/libpcre-1.dll
Size

700KB
MD5

daa41ee49c6c932ffb2854941cebae45
SHA1

e64f10f19065c2e5f03e2b9a63c0276e4d9f5714
SHA256

44135d68b7321ef04ac3f901d7c8b8496bf2aff2041b3d4c213e26f231da7c86
SHA512

ad9ce14e8d5774d3c8b75a256cadfd10e7f0f6efacda7798593f4aa3657edbeafa06b62cd93f3829ce0df096ede216606ba63e241e02d428c96aa472fff2554a
SSDEEP

12288:8TnPDhqFadvE+BAAVlHeJzso5WQ+u9IThO+YH:8rPD8FIETAV5u4hO+YH

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4964 3468 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4156 wrote to memory of 3468	4156	rundll32.exe	rundll32.exe
PID 4156 wrote to memory of 3468	4156	rundll32.exe	rundll32.exe
PID 4156 wrote to memory of 3468	4156	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oneshot\libpcre-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oneshot\libpcre-1.dll,#1
  2⤵
  PID:3468
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 616
    3⤵
    - Program crash
    PID:4964

Network

MITRE ATT&CK Matrix

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Downloads

memory/3468-121-0x0000000069340000-0x00000000693F0000-memory.dmp

Filesize
704KB

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