General

  • Target

    b20f9b18894ef38d25edfca8c8caa71c5b8a16ceab31d953d6f7205d754b22d9

  • Size

    5.0MB

  • Sample

    240509-3dc5kach9v

  • MD5

    13e4fce9790705976c96a4c79852b7aa

  • SHA1

    b2844504726f3b6ac2dbe6f3ef2a23fd103374c9

  • SHA256

    b20f9b18894ef38d25edfca8c8caa71c5b8a16ceab31d953d6f7205d754b22d9

  • SHA512

    428fcd78d095172ee920dd826d0bb94f8eee855e447226fbf492cb5bac4338b02ebe67f5559f8e465d96ca654e8a2dc774c05a7a6cdf28be9f223c66c344ca79

  • SSDEEP

    98304:+SgdoplfInh7Po8CFvF+PcaYvOImEnzYO5HT6/QvHALkxECG4/dhngKbd1ZR:udoHwnlQ30NY1mEzXhu/QvHALk+CG44I

Malware Config

Extracted

Family

socks5systemz

C2

http://ckqbuwy.net/search/?q=67e28dd83859fa2b145ba44a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a628cf616c0e791

http://bvbbamx.com/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffa13c9e8959d32

Targets

    • Target

      b20f9b18894ef38d25edfca8c8caa71c5b8a16ceab31d953d6f7205d754b22d9

    • Size

      5.0MB

    • MD5

      13e4fce9790705976c96a4c79852b7aa

    • SHA1

      b2844504726f3b6ac2dbe6f3ef2a23fd103374c9

    • SHA256

      b20f9b18894ef38d25edfca8c8caa71c5b8a16ceab31d953d6f7205d754b22d9

    • SHA512

      428fcd78d095172ee920dd826d0bb94f8eee855e447226fbf492cb5bac4338b02ebe67f5559f8e465d96ca654e8a2dc774c05a7a6cdf28be9f223c66c344ca79

    • SSDEEP

      98304:+SgdoplfInh7Po8CFvF+PcaYvOImEnzYO5HT6/QvHALkxECG4/dhngKbd1ZR:udoHwnlQ30NY1mEzXhu/QvHALk+CG44I

    • 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