General

  • Target

    cs.exe

  • Size

    219KB

  • Sample

    211104-2jsa1aehfk

  • MD5

    991b50c930e8d3e53f663f249cd8616f

  • SHA1

    37bac4813b152114a33557a022ec2feb531115cb

  • SHA256

    48ad23c61c26e6bc527c2dd8479725ce4b5626192b62b1c9ea5b17d1ca51dd56

  • SHA512

    3f5f7e5eaf112f17e75ef3d9c154ba51e70f0db9e3750a65e59f148a4614eaf58c994b488bd334e4465fad6e10ceee94a8f63b9f9c1eba9c35fe5ded1563bc38

Malware Config

Extracted

Family

cobaltstrike

Botnet

1359593325

C2

http://cdn.atlassian.com:80/v1/updateCheck

http://survey.gallup.com:80/v1/updateCheck

Attributes
  • access_type

    512

  • host

    cdn.atlassian.com,/v1/updateCheck,survey.gallup.com,/v1/updateCheck

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    5120

  • polling_time

    10000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqVFrNofnr4vbdEXJaTCshcOIBqT62V48O48acveHm4RK3C9jVByRMc3bGp5zdHPVCsiPZ56T+dAje8SBq25M8oEisBJBlAYLlSRKREEhW8pYee7QAcaOrIUmAZ642scb+Dpro5DO+JW7i/PPk3rU/R9j5+NVY0vjbiVUG2FSvZwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.448416512e+09

  • unknown2

    AAAABAAAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    1.610612736e+09

  • uri

    /v1/releaseMgr

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebkit/537.36 Chrome/71.0.3578.98

  • watermark

    1359593325

Targets

    • Target

      cs.exe

    • Size

      219KB

    • MD5

      991b50c930e8d3e53f663f249cd8616f

    • SHA1

      37bac4813b152114a33557a022ec2feb531115cb

    • SHA256

      48ad23c61c26e6bc527c2dd8479725ce4b5626192b62b1c9ea5b17d1ca51dd56

    • SHA512

      3f5f7e5eaf112f17e75ef3d9c154ba51e70f0db9e3750a65e59f148a4614eaf58c994b488bd334e4465fad6e10ceee94a8f63b9f9c1eba9c35fe5ded1563bc38

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Tasks