General

  • Target

    0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135

  • Size

    4.2MB

  • Sample

    240501-2b5lcshc9x

  • MD5

    a767bc587bf0305b53ae98f75449e592

  • SHA1

    c0916cb03ea20619ebddc75aad783b4d2b4f25ae

  • SHA256

    0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135

  • SHA512

    8b5a09fce6f0b7256472033ad3ee8f4665a086c54960a1507036499b85bc54b3aaf2094179efbe84fefe296e2cc54e77854002ced06dc429dc68fb40ebe8c7d3

  • SSDEEP

    98304:+1c7i+oZsZfOyeO9a+Ivw09a+PRJzvsUD6mme6Vqd1Zqm:x7ySZWye+MwUa+7p8V6Xx

Malware Config

Extracted

Family

socks5systemz

C2

http://cstlclo.net/search/?q=67e28dd8395dfb2f495fac1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6388ff13c3e696

http://cstlclo.net/search/?q=67e28dd8395dfb2f495fac1e7c27d78406abdd88be4b12eab517aa5c96bd86e894854b835a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c4e9959838c46c

http://bxivgof.com/search/?q=67e28dd8655bf57a4609f84c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffb17c0ed96933a

http://bxivgof.com/search/?q=67e28dd8655bf57a4609f84c7c27d78406abdd88be4b12eab517aa5c96bd86ee9c8e45865a8bbc896c58e713bc90c91d36b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee919c3bcf6c9f17

Targets

    • Target

      0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135

    • Size

      4.2MB

    • MD5

      a767bc587bf0305b53ae98f75449e592

    • SHA1

      c0916cb03ea20619ebddc75aad783b4d2b4f25ae

    • SHA256

      0771a2e746b2181a74824e35be119fa2d9aa02ed57928bcddc0344f89e9ca135

    • SHA512

      8b5a09fce6f0b7256472033ad3ee8f4665a086c54960a1507036499b85bc54b3aaf2094179efbe84fefe296e2cc54e77854002ced06dc429dc68fb40ebe8c7d3

    • SSDEEP

      98304:+1c7i+oZsZfOyeO9a+Ivw09a+PRJzvsUD6mme6Vqd1Zqm:x7ySZWye+MwUa+7p8V6Xx

    • 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