General

  • Target

    82ef24fe015a14e76ef2564a24dc172c96db81b8ef1635e14b1e33bf507c7c3e

  • Size

    4.5MB

  • Sample

    231011-22egvsch84

  • MD5

    4ca760a0b40a1d4a59c2eea6c5a617f1

  • SHA1

    ead85132b9dde1afdc3ed9b43909a1f09c41a363

  • SHA256

    82ef24fe015a14e76ef2564a24dc172c96db81b8ef1635e14b1e33bf507c7c3e

  • SHA512

    32528698622dabea3d9557014500a5ffba85e03bf56c0f3fb4f08091ed442eb5e85edc2b59c953dc7022e9b2cf1b4943ad7fc4a6f90d709752bb0922af7e12a6

  • SSDEEP

    98304:Q4d/+NFMV9JyBNMdUh73NM4wmI8Mf1IjuILiibj1ewc0FOTX4sT6:Q4d/+/w9JAMylBwmhjuyiibppbjsW

Malware Config

Extracted

Family

cobaltstrike

C2

http://119.96.194.181:4466/Rpc

Attributes
  • user_agent

    Host: outlook.live.com Accept: */* User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko)

Extracted

Family

cobaltstrike

Botnet

1359593325

C2

http://119.96.194.181:4466/owa/

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    119.96.194.181,/owa/

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    GET

  • jitter

    5120

  • polling_time

    5000

  • port_number

    4466

  • sc_process32

    %windir%\syswow64\gpupdate.exe

  • sc_process64

    %windir%\sysnative\gpupdate.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCgwZtr5WmRWGqXa6bxdqQDUmj+XU+vA4zK2b7Nfzq4qy143458ufxXidOMjoSLVP3BqyJgWamd0KYY7Yt3bDmFbWashi7f+OYdWpDNixd5AvcGOOzQhShEZ/0Uz8CG/gc99swyssnxs0YBg9Hka4Wh0ufxO89KSApuLegLE5i1/QIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.448416512e+09

  • unknown2

    AAAABAAAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    1.610612736e+09

  • uri

    /OWA/

  • user_agent

    Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko)

  • watermark

    1359593325

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Targets

    • Target

      82ef24fe015a14e76ef2564a24dc172c96db81b8ef1635e14b1e33bf507c7c3e

    • Size

      4.5MB

    • MD5

      4ca760a0b40a1d4a59c2eea6c5a617f1

    • SHA1

      ead85132b9dde1afdc3ed9b43909a1f09c41a363

    • SHA256

      82ef24fe015a14e76ef2564a24dc172c96db81b8ef1635e14b1e33bf507c7c3e

    • SHA512

      32528698622dabea3d9557014500a5ffba85e03bf56c0f3fb4f08091ed442eb5e85edc2b59c953dc7022e9b2cf1b4943ad7fc4a6f90d709752bb0922af7e12a6

    • SSDEEP

      98304:Q4d/+NFMV9JyBNMdUh73NM4wmI8Mf1IjuILiibj1ewc0FOTX4sT6:Q4d/+/w9JAMylBwmhjuyiibppbjsW

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix

Tasks