General

  • Target

    2f2b5ff3c33c62109f96e65c1d7601b0.bin

  • Size

    2.0MB

  • Sample

    240325-bycwracd26

  • MD5

    1e51ec5b58944f740871d98e1c128ac9

  • SHA1

    3543ea1f80867be5c4477eeb34255dd2e2bf2d72

  • SHA256

    a6d9bad5768a1809e220f44a0cbf753f8898922c2c39b8a691b79ce103c39cef

  • SHA512

    0d6baa741577dfbe53176f0e5dea28b3afb235142fb2132c24ddd992a8e27ed40f3a0c24464c61f9d05acb45d2239aa674f87151819ba3668eb98aba5233a0cc

  • SSDEEP

    49152:yOWoX5Ss83r8POmNhfS+GAK0Wnp0Kh++oUbToHg:XWoX5Ssur8POwhfS+6LvhhTT

Malware Config

Extracted

Family

socks5systemz

C2

http://bfggadb.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc11c4ec96

http://bfggadb.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12eab517aa5c96bd86ef91804f815a8bbc896c58e713bc90c91b36b5281fc235a925ed3e55d6bd974a95129070b611e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ec969a3fce6c

http://bennzem.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ef91993f

http://bennzem.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12eab517aa5c96bd86ec928648885a8bbc896c58e713bc90c91836b5281fc235a925ed3e5cd6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938cd6b9512

Targets

    • Target

      37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe

    • Size

      2.0MB

    • MD5

      2f2b5ff3c33c62109f96e65c1d7601b0

    • SHA1

      aa8cfcbacc165b941199a9d56045933af952f995

    • SHA256

      37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81

    • SHA512

      ce770de242104f4f2fe702724f684ee59973cea11e257d997c18eb9f04487b0a6be9843c7b53070243cc2f1dee2a0e540cf1e379b6548cf40cab74a6fbc967ea

    • SSDEEP

      49152:32m/hFz6e3Bw45KMgwkYfyZYOgzynV0NWp6V/VtqkOVH:mobVwpooYQKcpGahH

    • 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