General

  • Target

    2f2b5ff3c33c62109f96e65c1d7601b0.exe

  • Size

    2.0MB

  • Sample

    240323-vs48lacd3v

  • MD5

    2f2b5ff3c33c62109f96e65c1d7601b0

  • SHA1

    aa8cfcbacc165b941199a9d56045933af952f995

  • SHA256

    37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81

  • SHA512

    ce770de242104f4f2fe702724f684ee59973cea11e257d997c18eb9f04487b0a6be9843c7b53070243cc2f1dee2a0e540cf1e379b6548cf40cab74a6fbc967ea

  • SSDEEP

    49152:32m/hFz6e3Bw45KMgwkYfyZYOgzynV0NWp6V/VtqkOVH:mobVwpooYQKcpGahH

Malware Config

Extracted

Family

socks5systemz

C2

http://bgkriib.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cfe15c2ec97

http://dixabom.info/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c1eb979f39

Targets

    • Target

      2f2b5ff3c33c62109f96e65c1d7601b0.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