General

  • Target

    273f06354db927a64f46e80c31554dbb8737afcfd7aa9539acf6c60c186197ce

  • Size

    4.8MB

  • Sample

    240620-2ka34s1aqa

  • MD5

    59e5687f57216826a46e0d88043a2940

  • SHA1

    883754ae81325032f78ae2e8c474d784b55de2ee

  • SHA256

    273f06354db927a64f46e80c31554dbb8737afcfd7aa9539acf6c60c186197ce

  • SHA512

    7eda30bb4f583f70cecd9070ba9c098ddec235b0362c1acbf4a074791d6891aed077eded95c4b3856e132a39ec0d8478444fdee68d43e92d24c5ec0e57cfdf4d

  • SSDEEP

    98304:mpdX/RSH3Ni68y2n9w3j9qvRogJloK0aQZlUv8oiXKrcxK8wDyeOkmO/C:WX/8H3N1LX4RogToK0aQQkO2qyeOkmO6

Malware Config

Extracted

Family

socks5systemz

C2

ckbcizx.net

http://ckbcizx.net/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd12c1eb91

http://ckbcizx.net/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12eab517aa5c96bd86ef94854d885a8bbc896c58e713bc90c91936b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8e697993ac96b

aaydtjz.ru

http://aaydtjz.ru/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec949e39

http://aaydtjz.ru/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12eab517aa5c96bd86e990824c865a8bbc896c58e713bc90c91936b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9339ce6e9214

Targets

    • Target

      273f06354db927a64f46e80c31554dbb8737afcfd7aa9539acf6c60c186197ce

    • Size

      4.8MB

    • MD5

      59e5687f57216826a46e0d88043a2940

    • SHA1

      883754ae81325032f78ae2e8c474d784b55de2ee

    • SHA256

      273f06354db927a64f46e80c31554dbb8737afcfd7aa9539acf6c60c186197ce

    • SHA512

      7eda30bb4f583f70cecd9070ba9c098ddec235b0362c1acbf4a074791d6891aed077eded95c4b3856e132a39ec0d8478444fdee68d43e92d24c5ec0e57cfdf4d

    • SSDEEP

      98304:mpdX/RSH3Ni68y2n9w3j9qvRogJloK0aQZlUv8oiXKrcxK8wDyeOkmO/C:WX/8H3N1LX4RogToK0aQQkO2qyeOkmO6

    • 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 Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Tasks