Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    06-03-2021 19:40

General

  • Target

    Nov2018New!/AudioSes.dll

  • Size

    287KB

  • MD5

    16bbc967a8b6a365871a05c74a4f345b

  • SHA1

    9858d5cb2a6614be3c48e33911bf9f7978b441bf

  • SHA256

    b77ff307ea74a3ab41c92036aea4a049b3c2e69b12a857d26910e535544dfb05

  • SHA512

    68c75c95ee27fd704088dcf381378a2cd32b396a2e405be4e4f8058cf099d88c9f22c9b9a14eaec45880a2b7ae02226f1277020470aadbc153e8dd3168711f99

Malware Config

Extracted

Family

cobaltstrike

C2

http://pandorasong.com:443/access/

Attributes
  • access_type

    512

  • beacon_type

    2048

  • create_remote_thread

    0

  • day

    0

  • dns_idle

    0

  • dns_sleep

    0

  • host

    pandorasong.com,/access/

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAeR2V0Q29udGVudEZlYXR1cmVzLkRMTkEuT1JHOiAxAAAACgAAABVIb3N0OiBwYW5kb3Jhc29uZy5jb20AAAAKAAAASENvb2tpZTogIF9fdXRtYT0zMTAwNjY3MzMuMjg4NDUzNDQ0MC4xNDMzMjAxNDYyLjE0MDMyMDQzNzIuMTM4NTIwMjQ5OC43OwAAAAkAAAAJdmVyc2lvbj00AAAACQAAAA5saWQ9MTU4MjUwMjcyNAAAAAcAAAAAAAAACAAAAAUAAAAFdG9rZW4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAWQ29udGVudC1UeXBlOiB0ZXh0L3htbAAAAAoAAAAgWC1SZXF1ZXN0ZWQtV2l0aDogWE1MSHR0cFJlcXVlc3QAAAAKAAAAFUhvc3Q6IHBhbmRvcmFzb25nLmNvbQAAAAcAAAAAAAAABQAAAANyaWQAAAAJAAAADmxpZD0xNjgzNTAzNzM1AAAACQAAAB9tZXRob2Q9Z2V0U2VhcmNoUmVjb21tZW5kYXRpb25zAAAABwAAAAEAAAADAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • injection_process

  • jitter

    4352

  • maxdns

    255

  • month

    0

  • pipe_name

    \\%s\pipe\msagent_%x

  • polling_time

    300000

  • port_number

    443

  • proxy_password

  • proxy_server

  • proxy_username

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCN7UFLcBHjvme4lLXoOKMyNrF46j4Xi87J4ilrNPDQxLOq2KHaCXP+0FsWYs7JFqLXGmqOIfALpPLIyGgnRuC60ZXaSKmCENE2O88Z0BxDkRxSaKEbgv3ETo/Ra7cF8JNr3szy0sNBVyi9dhS2WhXRIU923X2ZQxbpSyUNi5Q//wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    7.382016e+08

  • unknown2

    AAAABAAAAAIAAAAQAAAAAgAAABAAAAACAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    0

  • unknown4

    0

  • unknown5

    2.350256387e+09

  • uri

    /radio/xmlrpc/v45

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko

  • year

    0

Signatures

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Nov2018New!\AudioSes.dll,#1
    1⤵
      PID:1964

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1964-2-0x000000006BAC0000-0x000000006BB0F000-memory.dmp
      Filesize

      316KB

    • memory/1964-3-0x00000000001D0000-0x0000000000210000-memory.dmp
      Filesize

      256KB

    • memory/1964-4-0x0000000000410000-0x000000000048E000-memory.dmp
      Filesize

      504KB