General

  • Target

    035dcf9053398a90a31dddeeef1c21f728a82078573daaac0b65baabf96973cd.exe

  • Size

    4.8MB

  • Sample

    240614-bc9ctssdrk

  • MD5

    8e277e7022265b11d4f9b4f2c0b051d2

  • SHA1

    528ff960a2acc15625e5be70dfe78f7765d1a960

  • SHA256

    035dcf9053398a90a31dddeeef1c21f728a82078573daaac0b65baabf96973cd

  • SHA512

    9cb9d7674db284a2cf4cf397ad68c3c2efd2a540973c6fe51083c933325c2faef1e86e551af64902e763d8ddd6fd40c30f1c4d509242bcd472a395c5c28cc25b

  • SSDEEP

    98304:mSUc9/UUccFNMHdS/fGM4ypm3mSUX7N3KhTfb0g:7phRFNQKfGMLgXUX7shjbz

Malware Config

Extracted

Family

socks5systemz

C2

busyiok.com

http://busyiok.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd17c9ec90

http://busyiok.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12eab517aa5c96bd86e596824996148ab2865b77f80ebad9c50f7cb63037ed2ab423a4654383ba915d911ec07bb606a0708720fa11b861c353baf51aba1e7242fa7023cc366689fe19c3ed939338c8

bmvnuyn.com

Targets

    • Target

      035dcf9053398a90a31dddeeef1c21f728a82078573daaac0b65baabf96973cd.exe

    • Size

      4.8MB

    • MD5

      8e277e7022265b11d4f9b4f2c0b051d2

    • SHA1

      528ff960a2acc15625e5be70dfe78f7765d1a960

    • SHA256

      035dcf9053398a90a31dddeeef1c21f728a82078573daaac0b65baabf96973cd

    • SHA512

      9cb9d7674db284a2cf4cf397ad68c3c2efd2a540973c6fe51083c933325c2faef1e86e551af64902e763d8ddd6fd40c30f1c4d509242bcd472a395c5c28cc25b

    • SSDEEP

      98304:mSUc9/UUccFNMHdS/fGM4ypm3mSUX7N3KhTfb0g:7phRFNQKfGMLgXUX7shjbz

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Detects executables packed with VMProtect.

    • 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 Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Tasks