General

  • Target

    svhost.dll

  • Size

    1006KB

  • Sample

    210505-cddwr7nk3x

  • MD5

    5db0b77b9d1256aa8da7e50955897a41

  • SHA1

    0936e308ce2b644c28000e52ab40b0a1158e6135

  • SHA256

    7f139e55e24e25c6544a78d48a04400430a3431830e694ee0946d90075ec2a9c

  • SHA512

    254e97e4e526b7750abc3619d78325a05fabeeef882b6d4fb623ef30aa00b66d102b49b706c8676be98c98afd8dd2dd1851e4b32aa375f98aba9c4f04a070ce3

Malware Config

Extracted

Family

metasploit

Version

windows/download_exec

C2

http://silenceel.com:443/components/ml.ico

Extracted

Family

cobaltstrike

Botnet

1359593325

C2

http://silenceel.com:443/r-arrow

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    silenceel.com,/r-arrow

  • http_header1

    AAAACgAAABFDb25uZWN0aW9uOiBjbG9zZQAAAAcAAAAAAAAADwAAAAMAAAACAAAABUhTSUQ9AAAABgAAAAZDb29raWUAAAAJAAAACGxuZz10cnVlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAABFDb25uZWN0aW9uOiBjbG9zZQAAAAoAAAAvQ29udGVudC1UeXBlOiBhcHBsaWNhdGlvbi94LXd3dy1mb3JtLXVybGVuY29kZWQAAAAHAAAAAQAAAA8AAAADAAAAAgAAAAlpbnRlcnZhbD0AAAAEAAAABwAAAAAAAAADAAAAAgAAAA5fX3Nlc3Npb25fX2lkPQAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    10496

  • polling_time

    55765

  • port_number

    443

  • sc_process32

    %windir%\syswow64\svchost.exe

  • sc_process64

    %windir%\sysnative\svchost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCg1s8nsVS0MGr4a72S/1h53pgJgOcCI/ILpy3XmwVUZkTkMTi0RMFTYEJ2k6YwvQMwlB1gXHJ/gzfurcgmIW1qLoGlTzCG1G52mWyBvpBN7DOycUxH3Ki8bwBN3q/OZdatBA+9XAPjy1x86ax5nBGQ0tZAtBRDzhLXPu3SZZu/yQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    7.8457344e+07

  • unknown2

    AAAABAAAAAIAAAJYAAAAAwAAAAsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /fo

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64; WOW64.1 ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.43 Safari/537.36

  • watermark

    1359593325

Targets

    • Target

      svhost.dll

    • Size

      1006KB

    • MD5

      5db0b77b9d1256aa8da7e50955897a41

    • SHA1

      0936e308ce2b644c28000e52ab40b0a1158e6135

    • SHA256

      7f139e55e24e25c6544a78d48a04400430a3431830e694ee0946d90075ec2a9c

    • SHA512

      254e97e4e526b7750abc3619d78325a05fabeeef882b6d4fb623ef30aa00b66d102b49b706c8676be98c98afd8dd2dd1851e4b32aa375f98aba9c4f04a070ce3

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Blocklisted process makes network request

MITRE ATT&CK Matrix

Tasks