General

  • Target

    9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe

  • Size

    4.5MB

  • Sample

    250318-2wkfxssrz9

  • MD5

    8831fd64392530c8d957dd1453cc77c9

  • SHA1

    a803a6dc1e4c4cc671acc69dcebc9b2658656b45

  • SHA256

    9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a

  • SHA512

    8f81ebdb5beafe18e90cdf6da454c9fa00802de2752ec1ddd8370381ccde54b9e97f5d5ee8f5628ebcdd06d160208716cde1249b91770d67f95d8ad407173f30

  • SSDEEP

    98304:NzweYLdaaFmAqlBQ/bVwwyqBe25+3sgnhgg3KzooViNDnqGv7:N0eYLdEAqlBuw+15Vpq6ookNrhv7

Malware Config

Extracted

Family

socks5systemz

C2

bpsunos.com

http://bpsunos.com/search/?q=67e28dd8685cf679160da41e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658dfc19c6ec94

buwdcue.com

http://buwdcue.com/search/?q=67e28dd86558fa2d4658af497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd12c3e793983b

Targets

    • Target

      9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe

    • Size

      4.5MB

    • MD5

      8831fd64392530c8d957dd1453cc77c9

    • SHA1

      a803a6dc1e4c4cc671acc69dcebc9b2658656b45

    • SHA256

      9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a

    • SHA512

      8f81ebdb5beafe18e90cdf6da454c9fa00802de2752ec1ddd8370381ccde54b9e97f5d5ee8f5628ebcdd06d160208716cde1249b91770d67f95d8ad407173f30

    • SSDEEP

      98304:NzweYLdaaFmAqlBQ/bVwwyqBe25+3sgnhgg3KzooViNDnqGv7:N0eYLdEAqlBuw+15Vpq6ookNrhv7

    • 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