General

  • Target

    abcfa05db7b920e8c58f2b5f5ca8cd7d.bin

  • Size

    2.0MB

  • Sample

    240325-d8s2tsaa8v

  • MD5

    592557de9d32e6eda2185eca6fb5b4e8

  • SHA1

    94fbe8cb2dfc2f65e1ed4f0df615d64aa8f5d907

  • SHA256

    cdb0403f0639d5e59fc653c73ce4693e538c4c280a62b0f0ca74af45b65f93bf

  • SHA512

    eff1d62a716a78e5051115c0abc8cab17505f6ef56f4544d7d3fc9e0daa6a8fc96bf54a0c5fcb19bcf325323873374a9dc10721341ce2b7e824c595df1e9e2f0

  • SSDEEP

    49152:STfVH9TOHCQGbyT14ewfirOxbCm6Sjx+/jers30TfLt6:4VZMCJqSewqrhm6Sd+/jerfU

Malware Config

Extracted

Family

socks5systemz

C2

http://bfonhdn.com/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc19c1ec91

http://bfonhdn.com/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12eab517aa5c96bd86e993864d865a8bbc896c58e713bc90c91c36b5281fc235a925ed3e5dd6bd974a95129070b611e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ec96923ace6b

http://ckjruvp.net/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3e7949938

http://ckjruvp.net/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12eab517aa5c96bd86ee9c864c805a8bbc896c58e713bc90c91836b5281fc235a925ed3e03d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938c56e9515

Targets

    • Target

      e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be.exe

    • Size

      2.0MB

    • MD5

      abcfa05db7b920e8c58f2b5f5ca8cd7d

    • SHA1

      a713c9449deb2abdded1492211fab71a8f6c4d40

    • SHA256

      e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be

    • SHA512

      613866e1526a79a0e9d9595d8838934c5e49ffdda98d535d032ff674d71f3125adea4f191830774f67bb30663defc21130274b30b48e19957ea08d2f40094199

    • SSDEEP

      49152:32LDc21lbV67YHlBrnozO6e7i2vTSC01V+W4CSBHgRPb1jNlM:mLQ215YnPee2vE1V+W4CGHgRD1jNlM

    • 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