General

  • Target

    acb4ff970a6f5a421f388d8db9ef27a5.bin

  • Size

    2.0MB

  • Sample

    240325-d8xp1saa81

  • MD5

    b59559fa21cf8c06841af5bf2e51de2b

  • SHA1

    a1764af45edbb9705e428d796031d9cb5a0efec1

  • SHA256

    db42f0c7bd3383524128dbdef4ff007492d47803f1f2982a9a8775f551a3c019

  • SHA512

    73ed79fa3711ca61a339cd3e94aa6c4d364598f9358d2fce11d30b5e037e0b125c38f806e7aaa3439ccff3fef7bc9dba7b8b698b3385ddba39fd09e112edcf9d

  • SSDEEP

    49152:RYG/kL5fU7w51N4rR3SWP6J7lZhqXgPZW6FN2PgGAJV:Rp/kLJUaT42VfkXgPZPGAD

Malware Config

Extracted

Family

socks5systemz

C2

http://dljnsqd.info/search/?q=67e28dd8680cf4794658a44a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978f571ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc19c1ea91

http://bubapoy.com/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3e7949e3e

Targets

    • Target

      cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe

    • Size

      2.0MB

    • MD5

      acb4ff970a6f5a421f388d8db9ef27a5

    • SHA1

      d66686a615df8a8a6f8f36400c13fdc9f55dbb0c

    • SHA256

      cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be

    • SHA512

      2ab6226fc9ce4cea1376692377483642d5a9e83f0e2becf3ca5d81116b3bb8b62263a9c38521de9b79c4921718885a09070ef6e2d21ed2f2cb253a1e1f482bca

    • SSDEEP

      49152:32SwGJoA887GzJVZ3qTC4SdEdosi9psTJiP9Pe7D:m9A887cJn3oCnEmsisTYc

    • 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