General

  • Target

    fd710dcf20f70aa20147e7ccc428cd7d9a4373f650f51d1903ed0dd29169869d.exe

  • Size

    4.3MB

  • Sample

    250318-3b5rssyzhw

  • MD5

    7b5c9c816277ce3e0ab2c2987e2fb17d

  • SHA1

    38d830f6b5cfe60ffc1ac3194c84f53d28afa063

  • SHA256

    fd710dcf20f70aa20147e7ccc428cd7d9a4373f650f51d1903ed0dd29169869d

  • SHA512

    a24ba544c500446eced652f945618abf48f9898ef68070441fed894aa8a2853312b3a9e691ddd44c8dcf4013e723df40c7b104cdf2a0acbb839b78ba841b6e05

  • SSDEEP

    98304:cRW2fva4Yxwp0BT7o0OaCs4qcezx9IAAfdwUnvJG7Ly/E3Nm44mhjgc0Gft4IbB+:mXHYpB2Zqcex9DABn4b3NmYjlXVLv6

Malware Config

Extracted

Family

socks5systemz

C2

bbvuxiu.com

bhxcmoo.com

http://bhxcmoo.com/search/?q=67e28dd83e5aa079125baa1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd12c4ef949e3c

Targets

    • Target

      fd710dcf20f70aa20147e7ccc428cd7d9a4373f650f51d1903ed0dd29169869d.exe

    • Size

      4.3MB

    • MD5

      7b5c9c816277ce3e0ab2c2987e2fb17d

    • SHA1

      38d830f6b5cfe60ffc1ac3194c84f53d28afa063

    • SHA256

      fd710dcf20f70aa20147e7ccc428cd7d9a4373f650f51d1903ed0dd29169869d

    • SHA512

      a24ba544c500446eced652f945618abf48f9898ef68070441fed894aa8a2853312b3a9e691ddd44c8dcf4013e723df40c7b104cdf2a0acbb839b78ba841b6e05

    • SSDEEP

      98304:cRW2fva4Yxwp0BT7o0OaCs4qcezx9IAAfdwUnvJG7Ly/E3Nm44mhjgc0Gft4IbB+:mXHYpB2Zqcex9DABn4b3NmYjlXVLv6

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Socks5systemz family

    • 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