Overview

overview

10

Static

static

1

1a6373bf3c...a4.exe

windows7-x64

10

1a6373bf3c...a4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1a6373bf3cf3d883d2f0f988a5b716894ba9a307d418b7bea8eb330629047ca4

  • Size

    374KB

  • Sample

    240329-kw8p3sde8s

  • MD5

    1c5b795d33c65c125e527ee151cf36c0

  • SHA1

    b9d4a4562f11d36a6f68cb0887b9063c0c0539d4

  • SHA256

    1a6373bf3cf3d883d2f0f988a5b716894ba9a307d418b7bea8eb330629047ca4

  • SHA512

    f8d2c4c484baa5aa452cd45eee6b1f2ac3202e951df41ddd05a3d1cf22ba66f2f2c62b28950ffb6b3a770b2bdf97a31086be59d34eaded221132a6b0192ab9c5

  • SSDEEP

    6144:71enYORXaLzu168sTxc6JUinnjMJ1AJSmwczziqScccs+/WP/PUk/Tx/B1RdDT7:JIYORqBZTx3PnjMqSjs2qfR3cTx/XDT7

Score
10/10
cobaltstrike100000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://service-bux0bbzb-1312435925.bj.apigw.tencentcs.com:443/api/getit

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    service-bux0bbzb-1312435925.bj.apigw.tencentcs.com,/api/getit

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAcAAAAAAAAAAwAAAAIAAAAKU0VTU0lPTklEPQAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAcAAAAAAAAAAwAAAAIAAAAJSlNFU1NJT049AAAABgAAAAZDb29raWUAAAAHAAAAAQAAAAMAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    5120

  • polling_time

    10000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDP/90kIYu6Mm7jvmEOOCFN7wCCA036EHvc+uJNEqNgwMoCpPIfFGkdjd62ZG1a4SDzfM41Kyg8A97hjvFD4g0EzoUqt8RdYWzSBD7xA94rxMy+Z2im7FBDtvyZpxlAvjWw21ONdT3TfXrUGoSfjWKeEXlkPNeg/AoVywMzeoxVlwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.481970944e+09

  • unknown2

    AAAABAAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /api/postit

  • user_agent

    Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0)

  • watermark

    100000

Targets

    • Target

      1a6373bf3cf3d883d2f0f988a5b716894ba9a307d418b7bea8eb330629047ca4

    • Size

      374KB

    • MD5

      1c5b795d33c65c125e527ee151cf36c0

    • SHA1

      b9d4a4562f11d36a6f68cb0887b9063c0c0539d4

    • SHA256

      1a6373bf3cf3d883d2f0f988a5b716894ba9a307d418b7bea8eb330629047ca4

    • SHA512

      f8d2c4c484baa5aa452cd45eee6b1f2ac3202e951df41ddd05a3d1cf22ba66f2f2c62b28950ffb6b3a770b2bdf97a31086be59d34eaded221132a6b0192ab9c5

    • SSDEEP

      6144:71enYORXaLzu168sTxc6JUinnjMJ1AJSmwczziqScccs+/WP/PUk/Tx/B1RdDT7:JIYORqBZTx3PnjMqSjs2qfR3cTx/XDT7

    Score
    10/10
    cobaltstrike100000backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Suspicious use of NtCreateThreadExHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks