Overview

overview

10

Static

static

3

beacon_certutil.exe

windows7-x64

10

beacon_certutil.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/06/2023, 20:35

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General

  • Target

    beacon_certutil.exe

  • Size

    278KB

  • MD5

    edd3157a6f8a15089a7658fea49262b7

  • SHA1

    720ced6cf863ca9809557a86e1e58d9f9956bd6e

  • SHA256

    be3602e288cc89c2d376a2e09e20e8347fc20d3f682fffb843adc8b7c8168488

  • SHA512

    d8a17570001b0904a2ae17a46f93aa5f563a1d0b9e08ebf8cf52c4efea49b150875140a53d595c37c282baabd7c97fa49976aea011f07a330cdf0672d759651d

  • SSDEEP

    6144:ORjVjPLm6tOWe/OyDj4pCxBHfuYKamVPyd:OqFWUIpCSY9mod

Score
10/10
cobaltstrike0backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

0

C2

http://192.168.253.77:80/visit.js

Attributes
  • access_type

    512

  • host

    192.168.253.77,/visit.js

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • polling_time

    60000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCVwARobrGhqWCXN/XRIuNZ5q5+Uov2bznkq3vNktBADqbVMtaPY/im4uErVCP4+xAAcCh8y+JWcNVWTDg12265g1ImQIXqvVCswMcVRDod5yrIoaFM4jNtgwQkeEC9txwhC+ZGqvbnc+0uXTU43VAGfMH80vPecohI7MLV6sujSwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; NP09; NP09; MAAU)

  • watermark

    0

Signatures

Processes

  • C:\Users\Admin\AppData\Local\Temp\beacon_certutil.exe
    "C:\Users\Admin\AppData\Local\Temp\beacon_certutil.exe"
    1⤵
      PID:4892

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4892-133-0x0000000000100000-0x0000000000133000-memory.dmp

      Filesize

      204KB

      Download

    • memory/4892-134-0x00000000001B0000-0x00000000001ED000-memory.dmp

      Filesize

      244KB

      Download

    • memory/4892-135-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

      Download

    • memory/4892-136-0x00000000001B0000-0x00000000001ED000-memory.dmp

      Filesize

      244KB

      Download