Overview

overview

10

Static

static

10

favicon.ps1

windows7_x64

10

favicon.ps1

windows10-2004_x64

10

Sharing

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General

  • Target

    favicon

  • Size

    190KB

  • Sample

    220701-ltb4rscdfq

  • MD5

    471601a24b16ed8f14f68967eac8d64e

  • SHA1

    fdecb788ba7cd9c855686b0598d4953af85ab399

  • SHA256

    4109d17d439e425d24e9d11956adcc63ff8e24ccfffe21dd8c5431fe969d2783

  • SHA512

    a45a7932e678cac7a117a2a5b7f1598ebd2dbb7dd0cd7151f4956b440384323d659d40a713491ded9f72052ae0c568dee6a39219ba99da81c6a5e3e534c07699

Score
10/10
cobaltstrike520backdoorsuricatatrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

520

C2

http://120.48.85.228:443/cm

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    120.48.85.228,/cm

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    60000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpLPyTFPR3bgcmck+zDeXukVcuhxAKfKnq5rgqFNRxyxkES4eggN+Z8hOk9U8iRv6itTbChNK/g/u0ocaHQe9HdnrVTvBqT05QiM8Z/Nd69wKYTJIezSzwQRJJrYCBpEBI6B5Cb2YUIGzS0yDRM5owdOOWsnwdgmOUM1Aa2uwY0QIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0)

  • watermark

    520

Targets

    • Target

      favicon

    • Size

      190KB

    • MD5

      471601a24b16ed8f14f68967eac8d64e

    • SHA1

      fdecb788ba7cd9c855686b0598d4953af85ab399

    • SHA256

      4109d17d439e425d24e9d11956adcc63ff8e24ccfffe21dd8c5431fe969d2783

    • SHA512

      a45a7932e678cac7a117a2a5b7f1598ebd2dbb7dd0cd7151f4956b440384323d659d40a713491ded9f72052ae0c568dee6a39219ba99da81c6a5e3e534c07699

    Score
    10/10
    cobaltstrikebackdoorsuricatatrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • suricata: ET MALWARE Cobalt Strike Beacon Observed

      suricata: ET MALWARE Cobalt Strike Beacon Observed

      suricata

    • suricata: ET MALWARE Meterpreter or Other Reverse Shell SSL Cert

      suricata: ET MALWARE Meterpreter or Other Reverse Shell SSL Cert

      suricata

    • Blocklisted process makes network request

    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks