Overview

overview

10

Static

static

3

beacon.exe

windows10-2004-x64

10

beacon.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 12:30

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General

  • Target
    beacon.exe
  • Size 278KB
  • Sample260810-ppqcdatxat
  • SHA256 48cc6671cdf4aec9ebb25ec428dc47eb09f39dc063de1ae0b24a788a346b13d1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoor100000000discoverycobaltstriketrojan

Malware Config

Extracted

Family

  • cobaltstrike

Botnet

  • 100000000

C2

  • http://51.77.77.161:443/sitemap.xml

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    51.77.77.161,/sitemap.xml

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    9472

  • polling_time

    45000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnrqnRgLeqPpa2wJGQmftPgeWvFyCCFjULPdTAZQEcqNKgdO0HMT0bB67vQA1xgd1gikHOjzLkBeM3aPIwnDvMP5lH8Zxk+5t6qt4OYGlVoU9vBDwTcXRIMVXHuvvABcaH71IjHfEp3Veqqhs0pcTLabHGtzcBqmzfhmfpqFDgWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    3.24408576e+08

  • unknown2

    AAAABAAAAAEAAABVAAAAAgAAAGMAAAANAAAADwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /robots.txt

  • user_agent

    Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko

  • watermark

    100000000

Signatures

  • Family: Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery

Processes

  • C:\Users\Admin\AppData\Local\Temp\beacon.exe
    "C:\Users\Admin\AppData\Local\Temp\beacon.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4952

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4952-0-0x00000000006E0000-0x0000000000715000-memory.dmp
        Download

        memory/4952-1-0x0000000000EE0000-0x0000000001352000-memory.dmp
        Download

        memory/4952-2-0x0000000000400000-0x000000000044B000-memory.dmp
        Download