General

  • Target

    9f61b727bfae34cedbba83d62afd2af2ce8663a97081f4b51c8da2b1610e3e14

  • Size

    4.5MB

  • Sample

    240624-gb96masamk

  • MD5

    ef2e9311ba56ecebdfa3fbe6fa0bf777

  • SHA1

    5c77287e8f3b2d5cde20ac17eaec5ffa2f10f47e

  • SHA256

    9f61b727bfae34cedbba83d62afd2af2ce8663a97081f4b51c8da2b1610e3e14

  • SHA512

    33fbecd1c86ff146400b81d1561c36459be7bd37e7bd684c2c0caf2bcb1ec19e6df55a165059c88a3c1a5e663f97d4a19e0f058cbd97b9eedfcf59035c9f5290

  • SSDEEP

    98304:mLDS2WmKwsdhwQWj3h6yUk+o0Cr3qFWLN2Igclrhy:EDOXhwjslkk86FU2Igx

Malware Config

Extracted

Family

socks5systemz

C2

bbollwy.com

http://bbollwy.com/search/?q=67e28dd86c0ca72e110aab177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6e8cff16c6ef9d

bffgjda.com

http://bffgjda.com/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff613c0e8939a33

Targets

    • Target

      9f61b727bfae34cedbba83d62afd2af2ce8663a97081f4b51c8da2b1610e3e14

    • Size

      4.5MB

    • MD5

      ef2e9311ba56ecebdfa3fbe6fa0bf777

    • SHA1

      5c77287e8f3b2d5cde20ac17eaec5ffa2f10f47e

    • SHA256

      9f61b727bfae34cedbba83d62afd2af2ce8663a97081f4b51c8da2b1610e3e14

    • SHA512

      33fbecd1c86ff146400b81d1561c36459be7bd37e7bd684c2c0caf2bcb1ec19e6df55a165059c88a3c1a5e663f97d4a19e0f058cbd97b9eedfcf59035c9f5290

    • SSDEEP

      98304:mLDS2WmKwsdhwQWj3h6yUk+o0Cr3qFWLN2Igclrhy:EDOXhwjslkk86FU2Igx

    • 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