Overview

overview

10

Static

static

3

c2f68afa88...bb.dll

windows7-x64

10

c2f68afa88...bb.dll

windows10-2004-x64

1

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General

  • Target

    c2f68afa882adecc96217f7eab229aaa2ec01abfae0d8087bfa3d4fed66fbcbb

  • Size

    93KB

  • Sample

    231120-fnve9sdh75

  • MD5

    b6fb8b50cbfa81b70b4657069710c226

  • SHA1

    5679e8026721e338612ac5d987a7739e5673177d

  • SHA256

    c2f68afa882adecc96217f7eab229aaa2ec01abfae0d8087bfa3d4fed66fbcbb

  • SHA512

    a15a4d45917232900bd5be0ddf9d77e7870d0d9f4b1df0069bf34289731ed83a826f54b377765e7b98c72b76ec29780698ac1deac94bdcde1dbf8bacef20f511

  • SSDEEP

    1536:uYhEyx42txwW3Te8eUaOBfRxMTr0ylZVEw9YDC7i50OD:u4Rxwq6XUaOBfRxMTIUVEwee77O

Score
10/10
cobaltstrike20410727backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://service-a0y8baw1-1319935181.bj.apigw.tencentcs.com:443/bootstrap-2.min.js

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 7.0; InfoPath.3; .NET CLR 3.1.40767; Trident/6.0; en-IN)

Extracted

Family

cobaltstrike

Botnet

20410727

C2

http://service-a0y8baw1-1319935181.bj.apigw.tencentcs.com:443/api/x

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    service-a0y8baw1-1319935181.bj.apigw.tencentcs.com,/api/x

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAcAAAAAAAAAAwAAAAIAAAAKU0VTU0lPTklEPQAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAcAAAAAAAAAAwAAAAIAAAAJSlNFU1NJT049AAAABgAAAAZDb29raWUAAAAHAAAAAQAAAAMAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    12800

  • polling_time

    30000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTWV74mUQ+mRv5G12a9zODYqH4hd3vN8wA5KM1K3qxHkx8PMfWuxuzFPJTbTmmP/psUSaIxASMDmgFAenz3/yOWa2GZRhGhYsxPzqZ3I9pFkF+QUzwhc8fWqWwOJv66NmlHQGJLc2kG3H4GT15QDwwz2TZ8NVMfeDzPuVcpJGwCwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.481970944e+09

  • unknown2

    AAAABAAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /api/y

  • user_agent

    Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 7.0; InfoPath.3; .NET CLR 3.1.40767; Trident/6.0; en-IN)

  • watermark

    20410727

Targets

    • Target

      c2f68afa882adecc96217f7eab229aaa2ec01abfae0d8087bfa3d4fed66fbcbb

    • Size

      93KB

    • MD5

      b6fb8b50cbfa81b70b4657069710c226

    • SHA1

      5679e8026721e338612ac5d987a7739e5673177d

    • SHA256

      c2f68afa882adecc96217f7eab229aaa2ec01abfae0d8087bfa3d4fed66fbcbb

    • SHA512

      a15a4d45917232900bd5be0ddf9d77e7870d0d9f4b1df0069bf34289731ed83a826f54b377765e7b98c72b76ec29780698ac1deac94bdcde1dbf8bacef20f511

    • SSDEEP

      1536:uYhEyx42txwW3Te8eUaOBfRxMTr0ylZVEw9YDC7i50OD:u4Rxwq6XUaOBfRxMTIUVEwee77O

    Score
    10/10
    cobaltstrike20410727backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks