General

  • Target

    4fbc079afc0e59a9b99ef86981fa5326.exe

  • Size

    2.0MB

  • Sample

    240323-rbjc1sba9t

  • MD5

    4fbc079afc0e59a9b99ef86981fa5326

  • SHA1

    06349881fcb8b34be0f79b849cf0f1289ac4d588

  • SHA256

    ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1

  • SHA512

    b9445eddab7a234504fa73cb410d9103dea4534b1e16d078fde9b11cfca45c8adb073825799ef9b53b2d1e506d634ec251cbe5f26cf7cace5168287bb3a9bcc1

  • SSDEEP

    49152:32TL+/Bjpvz7OAUZ8Dx3vEEDGBPAqfqQOmQBTTTjNIH:mTLYywV/EESFA2KBvCH

Malware Config

Extracted

Family

socks5systemz

C2

http://bwsuikv.com/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cff13c5ec9c

http://dlgjogd.info/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0ed909833

http://dlgjogd.info/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12eab517aa5c96bd86e9948048815a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94983bcf6a941e

Targets

    • Target

      4fbc079afc0e59a9b99ef86981fa5326.exe

    • Size

      2.0MB

    • MD5

      4fbc079afc0e59a9b99ef86981fa5326

    • SHA1

      06349881fcb8b34be0f79b849cf0f1289ac4d588

    • SHA256

      ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1

    • SHA512

      b9445eddab7a234504fa73cb410d9103dea4534b1e16d078fde9b11cfca45c8adb073825799ef9b53b2d1e506d634ec251cbe5f26cf7cace5168287bb3a9bcc1

    • SSDEEP

      49152:32TL+/Bjpvz7OAUZ8Dx3vEEDGBPAqfqQOmQBTTTjNIH:mTLYywV/EESFA2KBvCH

    • 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