General

  • Target

    ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6

  • Size

    5.0MB

  • Sample

    240617-fv17dswbqb

  • MD5

    8b662840665474400b0b83a5ce5dfba9

  • SHA1

    1b7ea182554a8728729cba9f02a8f7a9ac74795a

  • SHA256

    ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6

  • SHA512

    8226e2d86aa2a59319979c1a1b065544fd363452dd542e308cb3ea1fabeaa6858632f77d1bdb56cc31fe1a7c0b4db049a484b908f3d1e40acb7c526fd0b921c1

  • SSDEEP

    98304:m1p3kTW+00NTnsnitaFYrjmyhOG8p8Xbc9CSKHjyqA25ioukkOd42:yua+00dsndFijFhObp8XbcQSWjy25yHC

Malware Config

Extracted

Family

socks5systemz

C2

dlkmukw.info

firttec.ru

bbiojpa.com

http://bbiojpa.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ee979b3b

Targets

    • Target

      ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6

    • Size

      5.0MB

    • MD5

      8b662840665474400b0b83a5ce5dfba9

    • SHA1

      1b7ea182554a8728729cba9f02a8f7a9ac74795a

    • SHA256

      ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6

    • SHA512

      8226e2d86aa2a59319979c1a1b065544fd363452dd542e308cb3ea1fabeaa6858632f77d1bdb56cc31fe1a7c0b4db049a484b908f3d1e40acb7c526fd0b921c1

    • SSDEEP

      98304:m1p3kTW+00NTnsnitaFYrjmyhOG8p8Xbc9CSKHjyqA25ioukkOd42:yua+00dsndFijFhObp8XbcQSWjy25yHC

    • 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