General

  • Target

    115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415

  • Size

    4.5MB

  • Sample

    240620-2g4k9avbkn

  • MD5

    7349b41ae1386ba41cbd2c527a791cc0

  • SHA1

    1bd1be063facd0b8e58c52a84cc1b9c283406f83

  • SHA256

    115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415

  • SHA512

    81ee53b8b321ee68a2f7293bd548aa1285c63aaddf2adfec77a38593e1f4e6a22a5055f7b96cacf5a253ff9a207023862b2e61c6ceb87c85505f17ea4c7b90c8

  • SSDEEP

    98304:mkIVgsXFyGsYKO3ujhvUChaMZY00TL5XXMGFGg/a7:tygsXFyx3ku9cg03ZMOS

Malware Config

Extracted

Family

socks5systemz

C2

csrdxxq.net

hcfuoen.net

ayeepfj.ru

http://ayeepfj.ru/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ed9c9b3b

Targets

    • Target

      115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415

    • Size

      4.5MB

    • MD5

      7349b41ae1386ba41cbd2c527a791cc0

    • SHA1

      1bd1be063facd0b8e58c52a84cc1b9c283406f83

    • SHA256

      115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415

    • SHA512

      81ee53b8b321ee68a2f7293bd548aa1285c63aaddf2adfec77a38593e1f4e6a22a5055f7b96cacf5a253ff9a207023862b2e61c6ceb87c85505f17ea4c7b90c8

    • SSDEEP

      98304:mkIVgsXFyGsYKO3ujhvUChaMZY00TL5XXMGFGg/a7:tygsXFyx3ku9cg03ZMOS

    • 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