General

  • Target

    28a8077df899c3c22d4b57ee17971177350fd6b2ccf70868421fd56e1bab1140

  • Size

    2.0MB

  • Sample

    240324-stjbeagb9s

  • MD5

    b24a1a31cb5a2a81424b17d988145710

  • SHA1

    11794b1948f3efaf5074e3bf22301440003a33c9

  • SHA256

    28a8077df899c3c22d4b57ee17971177350fd6b2ccf70868421fd56e1bab1140

  • SHA512

    071539dc8fd14c89fe010f272277b47f95a855357983556aad100c77fd14170c1333a27f3b02fddb9689cf64d99ce05ff98cc2e5189d3311274924a9e5fc7c72

  • SSDEEP

    49152:3247n6RRtNoWh/PKGET6RAS3abv8dW6jI:m6n6RRtSWlK9uRf3GUdnI

Malware Config

Extracted

Family

socks5systemz

C2

http://ccuroie.net/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c9ec9c9c3d

http://bfiscke.com/search/?q=67e28dd83f08f2204807f9497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c9ec9c9c33

Targets

    • Target

      28a8077df899c3c22d4b57ee17971177350fd6b2ccf70868421fd56e1bab1140

    • Size

      2.0MB

    • MD5

      b24a1a31cb5a2a81424b17d988145710

    • SHA1

      11794b1948f3efaf5074e3bf22301440003a33c9

    • SHA256

      28a8077df899c3c22d4b57ee17971177350fd6b2ccf70868421fd56e1bab1140

    • SHA512

      071539dc8fd14c89fe010f272277b47f95a855357983556aad100c77fd14170c1333a27f3b02fddb9689cf64d99ce05ff98cc2e5189d3311274924a9e5fc7c72

    • SSDEEP

      49152:3247n6RRtNoWh/PKGET6RAS3abv8dW6jI:m6n6RRtSWlK9uRf3GUdnI

    • 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