General

  • Target

    39d174e6804c39591668d4e999341c14692f570e76afb1a0eafca31b04e301fc

  • Size

    273KB

  • Sample

    220201-vwlknaace8

  • MD5

    e7df91ac5f161f54e3fafe18e92f528b

  • SHA1

    b441934c695c87b462cc27dbce9910bfec8b7b61

  • SHA256

    39d174e6804c39591668d4e999341c14692f570e76afb1a0eafca31b04e301fc

  • SHA512

    6c3511be6abdcec26f22af4f5cdab818f00e9108802106874c6c8c25cf0d4a886ded1d0f17531535d60d15ef7f4bfb5e7c04dbe7599ca75abf7c7a846c3db091

Malware Config

Extracted

Family

cobaltstrike

Botnet

1359593325

C2

http://173.234.155.223:80/boxes.css

Attributes
  • access_type

    512

  • host

    173.234.155.223,/boxes.css

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    11008

  • polling_time

    61757

  • port_number

    80

  • sc_process32

    %windir%\syswow64\WUAUCLT.exe

  • sc_process64

    %windir%\sysnative\WUAUCLT.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJvC2CQYaIouT41kXKVNrM5lLvclGJRE+i3ves+vC0AADUWTPs64Dn/B4eKlQKPpbC/8IgJjadD/B9pZiY8XUlk4dvaagLdjBCq7uSxS+KhVVsX46LBSBgIxaE4AeoZvwBD2n0wdeeI2sbkMvDhhv5s6Nmz12sAtOVGdr8cX3s5QIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    2.708806656e+09

  • unknown2

    AAAABAAAAAIAAAPVAAAAAwAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /ce

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.246

  • watermark

    1359593325

Targets

    • Target

      39d174e6804c39591668d4e999341c14692f570e76afb1a0eafca31b04e301fc

    • Size

      273KB

    • MD5

      e7df91ac5f161f54e3fafe18e92f528b

    • SHA1

      b441934c695c87b462cc27dbce9910bfec8b7b61

    • SHA256

      39d174e6804c39591668d4e999341c14692f570e76afb1a0eafca31b04e301fc

    • SHA512

      6c3511be6abdcec26f22af4f5cdab818f00e9108802106874c6c8c25cf0d4a886ded1d0f17531535d60d15ef7f4bfb5e7c04dbe7599ca75abf7c7a846c3db091

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • Blocklisted process makes network request

MITRE ATT&CK Matrix

Tasks