General

  • Target

    b17d23ea9c0f3e5c97867599a903fbff.exe

  • Size

    233KB

  • Sample

    230715-ql86rabf6w

  • MD5

    b17d23ea9c0f3e5c97867599a903fbff

  • SHA1

    52ece5b5aa391c863e93ae4553aa4863260c5d92

  • SHA256

    6b3be5de40b3f2d063389b53e5fc63950ee2b9aad46d5ecc1e23c546746952b3

  • SHA512

    fd41640d0d7a64fe6f5fd2ae466b97dfa66f8c191f9625c862730eddc78fa76653a656cd372fb1a1bb21b84223a5046448887501496523c7d2a98271e2e90b3b

  • SSDEEP

    3072:bFzIvEdt1bmmkKKgTVVVDEunfs9ivZ+J97NCqZu0/N1ipwz9xKu:Rzrf1bkgN5sbR8AN1Jpwu

Malware Config

Extracted

Family

cobaltstrike

Botnet

666666

C2

http://service-4yorw5on-1310046338.bj.apigw.tencentcs.com:443/s

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    service-4yorw5on-1310046338.bj.apigw.tencentcs.com,/s

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    11008

  • polling_time

    50000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDASkBNxG937VYrqwDEI9Euaiu9pUK1HLNs3B4Qa3+oKUB98PXvBfNj0L15dIarQ4YidB59FjJU9/PJF/BX9iC0FR7bsusvJW0UBMC/ly6mLUCinPlgsL8eKdPvkgY/zCizjCeHe3WCneCs0HgJ2P41eOK48eTgWvM8IABrDQP+uwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.868436736e+09

  • unknown2

    AAAABAAAAAEAAAXVAAAAAgAAA0IAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /S

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36

  • watermark

    666666

Targets

    • Target

      b17d23ea9c0f3e5c97867599a903fbff.exe

    • Size

      233KB

    • MD5

      b17d23ea9c0f3e5c97867599a903fbff

    • SHA1

      52ece5b5aa391c863e93ae4553aa4863260c5d92

    • SHA256

      6b3be5de40b3f2d063389b53e5fc63950ee2b9aad46d5ecc1e23c546746952b3

    • SHA512

      fd41640d0d7a64fe6f5fd2ae466b97dfa66f8c191f9625c862730eddc78fa76653a656cd372fb1a1bb21b84223a5046448887501496523c7d2a98271e2e90b3b

    • SSDEEP

      3072:bFzIvEdt1bmmkKKgTVVVDEunfs9ivZ+J97NCqZu0/N1ipwz9xKu:Rzrf1bkgN5sbR8AN1Jpwu

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Tasks