General

  • Target

    Anycast_Win.exe

  • Size

    940KB

  • Sample

    240309-pwr5jsfh32

  • MD5

    04db25ace2160f550022e8ebdf36a4b8

  • SHA1

    ad70cbab796f4ef01703a40e2b0173b834f0292e

  • SHA256

    d8273396d4cb1b0c0b711744573cdc4f6b8351132acff93c0a080ebfe151853a

  • SHA512

    53a59ea413fcfc8602f022216f87b2b4e527b46f4911cda3370a7b7ec8439f8912589e4c7b49c99032437c4405dcc0cc34c624b26afc2f57fe3c4db60125cad4

  • SSDEEP

    12288:DtyYdauIaZgsNxgmnCErYBljrcMLpBeHP2SrVegqkBbAUSZLdmZmIKcp:gY3IaZgsNqmnCEMlgVAUSZLdm

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://www.mxilws.buzz:8443/jquery-3.3.1.min.js

Attributes
  • access_type

    512

  • beacon_type

    2048

  • dns_idle

    1.908702538e+09

  • host

    www.mxilws.buzz,/jquery-3.3.1.min.js

  • http_header1

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAABAAAAARSG9zdDogbXhpbHdzLmJ1enoAAAAKAAAAHFJlZmVyZXI6IGh0dHA6Ly9teGlsd3MuYnV6ei8AAAAKAAAAHkFjY2VwdC1FbmNvZGluZzogZ3ppcCwgZGVmbGF0ZQAAAAcAAAAAAAAADQAAAAIAAAAJX19jZmR1aWQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAABAAAAARSG9zdDogbXhpbHdzLmJ1enoAAAAKAAAAHFJlZmVyZXI6IGh0dHA6Ly9teGlsd3MuYnV6ei8AAAAKAAAAHkFjY2VwdC1FbmNvZGluZzogZ3ppcCwgZGVmbGF0ZQAAAAcAAAAAAAAADwAAAA0AAAAFAAAACF9fY2ZkdWlkAAAABwAAAAEAAAAPAAAADQAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    9472

  • maxdns

    255

  • polling_time

    45000

  • port_number

    8443

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD0VVBj84W/pQum7jRaDfr2I9gE/rAw8wb8b///OF8E9vrsnXyi99Bt5rkG0df54bbQi5ld4HGlfRM6iI3TnduC0EV0eA7qXay8fYWNcOrK5m+fVMrdjkL4khvVf7QeFxPCUyklfWONcoMGZZ4ty06LKpow07gV3KZ7yMVdoY5tHQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4.234810624e+09

  • unknown2

    AAAABAAAAAEAAAXyAAAAAgAAAFQAAAACAAAPWwAAAA0AAAAPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /jquery-3.3.2.min.js

  • user_agent

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

  • watermark

    305419896

Targets

    • Target

      Anycast_Win.exe

    • Size

      940KB

    • MD5

      04db25ace2160f550022e8ebdf36a4b8

    • SHA1

      ad70cbab796f4ef01703a40e2b0173b834f0292e

    • SHA256

      d8273396d4cb1b0c0b711744573cdc4f6b8351132acff93c0a080ebfe151853a

    • SHA512

      53a59ea413fcfc8602f022216f87b2b4e527b46f4911cda3370a7b7ec8439f8912589e4c7b49c99032437c4405dcc0cc34c624b26afc2f57fe3c4db60125cad4

    • SSDEEP

      12288:DtyYdauIaZgsNxgmnCErYBljrcMLpBeHP2SrVegqkBbAUSZLdmZmIKcp:gY3IaZgsNqmnCEMlgVAUSZLdm

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Matrix ATT&CK v13

Tasks