General

  • Target

    e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be

  • Size

    2.0MB

  • Sample

    240323-xypq7sdg2w

  • MD5

    abcfa05db7b920e8c58f2b5f5ca8cd7d

  • SHA1

    a713c9449deb2abdded1492211fab71a8f6c4d40

  • SHA256

    e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be

  • SHA512

    613866e1526a79a0e9d9595d8838934c5e49ffdda98d535d032ff674d71f3125adea4f191830774f67bb30663defc21130274b30b48e19957ea08d2f40094199

  • SSDEEP

    49152:32LDc21lbV67YHlBrnozO6e7i2vTSC01V+W4CSBHgRPb1jNlM:mLQ215YnPee2vE1V+W4CGHgRD1jNlM

Malware Config

Extracted

Family

socks5systemz

C2

http://cslyngu.net/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c2ee91983b

http://bmlvsme.com/search/?q=67e28dd83e5cf579400faa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a471ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c2ee91983a

Targets

    • Target

      e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be

    • 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