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General

  • Target

    654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2

  • Size

    4.8MB

  • Sample

    240503-2cfcvsah35

  • MD5

    4d34898a00b3a5451f916746a76c3f15

  • SHA1

    291cd4f0f347318cc0da86cada87e74469d68dfd

  • SHA256

    654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2

  • SHA512

    4890cc5608d42fb1a275958443b06f62e23150ca80dc3ada450115f9792b5e88f8094798ad33d9f579c35d3d74cc88f662accca8c3b107e41b90deac2205a276

  • SSDEEP

    98304:+Z3JkFGEGI0cVu2TtfhFE+ypCwE0KrqNSXByOFVsJYaXeVDW8qE2YVcbSbgt77dJ:C3JkFGq0Wu2Tlh8CP0mqE7FVsJViDOlZ

Malware Config

Extracted

Family

socks5systemz

C2

http://bvvruim.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6389f814c2ed92

http://buboqab.com/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffb16c7ea97983f

Targets

    • Target

      654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2

    • Size

      4.8MB

    • MD5

      4d34898a00b3a5451f916746a76c3f15

    • SHA1

      291cd4f0f347318cc0da86cada87e74469d68dfd

    • SHA256

      654843da1e795cd96f721da9756d241fb8d1e608ff7336957474d6e5d222fdb2

    • SHA512

      4890cc5608d42fb1a275958443b06f62e23150ca80dc3ada450115f9792b5e88f8094798ad33d9f579c35d3d74cc88f662accca8c3b107e41b90deac2205a276

    • SSDEEP

      98304:+Z3JkFGEGI0cVu2TtfhFE+ypCwE0KrqNSXByOFVsJYaXeVDW8qE2YVcbSbgt77dJ:C3JkFGq0Wu2Tlh8CP0mqE7FVsJViDOlZ

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks